CPlus with TRANSLATOR OPTION Service and Installation Manual Available for the following products: Manual Revision Mar 2014 2013 Cimarron Technologies Corp., Escondido, CA, USA. All rights reserved. No part of this manual may be reproduced in any way without the express written permission of Cimarron Technologies Corporation. Page 1
Cimarron Technologies Inc. 934 S. Andreasen Suite G Escondido, CA 92029 USA Voice: 760-738-3282 (Sales) 760-738-3283 (Service) FAX: 760-480-0233 Email: service@cimtechcorp.com Web: www.cimtechcorp.com Cimarron Technologies Corporation is a licensee of the Motorola MDC-1200 Protocol technology. MDC-1200 is a registered trademark of Motorola Inc. GE Star is a registered trademark of General Electric Corporation Manual revision Translator Cplus Mar 2014 Revision Date Description 6/3/13 Updated. Major re-edit with many simplifications. 9/25/13 More refinements. 11/11/13 Added $$F description. Mar 2014 3/19/14 Major updating. Mute relay timing diagrams added. Page 2
Contents SECTION 1 DESCRIPTION...4 SECTION 2 SPECIFICATIONS...6 SECTION 3 INSTALLATION SINGLE ENDED...7 SECTION 4 BALANCED...8 SECTION 5 DATA INPUT - DETAILS... 10 SECTION 6 DATA OUTPUT - DETAILS... 12 SECTION 7 PROGRAMMING... 13 SECTION 8 OPERATION... 17 SECTION 9 SERIAL PORT... 21 SECTION 10 TROUBLESHOOTING... 22 SECTION 11 SCHEMATICS... 24 INDEX... 29 Page 3
SECTION 1 Description The Translator feature changes the basic function of the CPlus series decoders. The CPlus Translator converts an ANI burst FleetSync, GE-Star, or DTMF (referred to as Incoming ANI ) into MDC-1200 so that the signal can be decoded at a dispatch console capable of only MDC-1200 signaling. The Translator operates in parallel with the Audio In of the console. The parallel configuration means that the console will see Incoming ANI and the translated MDC-1200 data bursts. The translator does not stop the Incoming ANI bursts from reaching the console. The Translator contains a Mute Relay to allow most of the incoming data burst to be silenced at the console speaker audio. The effectiveness of the muting function is highly dependent on the console audio circuitry. Depending on the console, the incoming data bursts may or may not be heard by the dispatcher. Voice audio will pass directly to the console. Voice audio does not pass through Translator. Voice audio is not muted or affected in any way by the Translator. The Dispatch console will normally hear 2 data bursts. The 1st will be the Incoming ANI data, the 2 nd will be the MDC-1200 burst. The processing time of the Translator creates a delay between the data bursts that prevents any overlap of the 2 data bursts. Page 4
Operation Example: A unit in the field with FleetSync signaling keys up and his PTT ANI is transmitted. At the Translator, the FleetSync ANI is decoded and converted to MDC-1200 and the resulting ANI burst is injected into the audio path approximately 300 ms later. As FleetSync is not recognized by the dispatch console it is ignored and the MDC translation is displayed at the console. Notes: The RS-232 serial port is for initial set-up only. Can be implemented with a CPlus I, II, III, or MCI. C Plus series takes in FleetSync or GE-Star or DTMF and always outputs MDC-1200 Alias option not available with the Translate option. No Acknowledgements, no sounder, no contact closures. No special reactions to Emergencies (no acknowledgements) FleetSync s 3 digit Fleet ID will be ignored. Not compatible with FleetSync II. Page 5
SECTION 2 Specifications Input Data Formats: Output Data Format: Display Type: Emergency: Acknowledgements: Translation Delay: Mute Reaction: Sounder: Data Input: Data Output: Serial Interface: Dimensions: FleetSync, GE-Star, DTMF (Not compatible with FleetSync II) MDC-1200, ID up to 4 hex characters Dependent on unit that Translate is installed into No special reactions. None. FleetSync ~ 300 ms Ge-Star ~ 170 ms FleetSync ~ 55 ms GE-Star ~ 45 ms Yes. Single ended: 30mv to 12Vpp Balanced: 600 Ω:-30 to +10dBm; Hi Z: -36 to +4dBm Single ended: 600 Ω: to 14Vpp Balanced: 600 Ω: to +10dBm; Hi Z: to +16dBm RS-232, via RJ-11 7.87 x 6.25 x 2.5 (Cplus I, II) 7.87 x 6.25 x 4.75 (Cplus III) 7.87 x 5.0 x 1.1 (MCI CH card) Mute Relay: Form C, 1 NO. 1 NC contact Power Requirements: 5 VDC ± 5% at 700 m A (Cplus I, MCI CH card) 5 VDC ± 5% at 1.2 A (Cplus II) 5 VDC ± 5% at 1.5 A (Cplus III) Page 6
SECTION 3 Installation Single Ended Single Ended jumpers: Jumper Purpose JP-7 Install References the data in common line to ground. JP-25 Install References the Data Out common line to ground. For a Single Ended, 600 ohm installation, please contact Cimarron s Engineering Department for assistance. Page 7
SECTION 4 Balanced Balanced connection jumpers. These will result in a High Z connection. Jumper Purpose JP-8, JP-24, and JP-27 Install Configure input and outputs circuits for Balanced Hi-Z. JP-7, JP-11, and JP-25 Remove Configure input and outputs circuits for Balanced Hi-Z. P3-8 to station ground Add Required system ground. For a Balanced, 600 ohm installation, please contact Cimarron s Engineering Department for assistance. Page 8
Jumpers: Jumper Default Purpose JP-5 8-7 In 6-5 4-3 2-1 Provides 0dB of gain. Provides 12dB of gain. Provides 24dB of gain. Provides 36dB of gain. JP-8 Out Adds 6 db of attenuation to the Data In signal. For use only in Balanced systems. JP-9 Out Adds 12 db of attenuation to the Data In signal. For use only in Balanced systems. JP-10 Out Adds 18 db of attenuation to the Data In signal. For use only in Balanced systems. JP-11 In Adds 6 db of attenuation to the Data In signal. For use only in Single Ended systems. JP-12 Out Adds 12 db of attenuation to the Data In signal. For use only in Single Ended systems. JP-13 Out Adds 18db of attenuation to the Data In signal. For use only in Single Ended systems. Jumpers JP-13, 12, 11, 10, 9 and 8 set up attenuation circuits. Only one of these jumpers should be installed. JP-11, 12 and 13 are for Single Ended systems and JP-10, 9 and 8 are for Balanced systems. Page 9
SECTION 5 Data Input - Details Data input is the signal input to the C Plus. This is Receive Audio from the radio. Data In + is the high side and Data In - is the low side. Data input is jumper selectable for high impedance single ended, high impedance balanced and 600 ohm balanced. In nonbalanced configurations, Data In - is referenced to ground. However, note that it is not directly shorted to ground. In balanced systems, it is signal return. Always attach an independent station ground to the rear panel P3 pin 8 or P2 pin 10. The input is capacitor coupled for DC blocking and is MOV protected. When interfacing to a radio, connection should be receive audio, before de-emphasis (flat audio). Data input + should be jumped for high impedance and data input should be jumped to ground. If connected to a balanced line, remove ground jumper JP-7. Data input is AGC conditioned so generally, no adjustment is necessary. A test point is provided for oscilloscope connection. If the signal is clipped and distorted, a potentiometer and a bank of gain jumpers can reduce gain. Alternately, if the signal is too weak, gain can be increased. Attenuation jumpers are described below. Use only one jumper at a time. Input Signal Attenuation Unbalanced Balanced 18 db JP-13 JP-10 12 db JP-12 JP-9 6 db JP-11 JP-8 Page 10
JP5 provides an amplification stage to increase the data input signal. Amplification factors are described below. Observed Maximum signal at TP10 Gives this amplification to input 0.05 VPP 36 db 0.2 VPP 24 db 0.65 VPP 12 db 1.6 VPP 0 db If you experience a decode rate of less than 100%, view the ANI signal waveform at TP10. Adjust the attenuation jumpers so that the waveform is not clipped. Do not exceed the absolute maximum peak to peak signal level listed in the above table. Then view the waveform at TP-7 and adjust jumper JP-5 and VR3 for a 1 Vpp ANI signal. Page 11
SECTION 6 Data Output - Details Data output is the translated MDC-1200 ANI burst out of the C Plus. Data output is jumper selectable for single ended or balanced configurations. In Single Ended configurations, Data Out - is referenced to ground. However, note that it is not directly shorted to ground. In balanced systems, it is signal return. Always attach an independent station ground to the rear panel P3 pin 8 or P2 pin 10. The output is capacitor coupled for DC blocking, is MOV protected and is completely isolated by relays when not actively encoding. If connected to a balanced line, remove ground jumper JP-25. For 600 ohm operation, add jumpers JP-24 and JP-27. Data output must be adjusted to ensure that the target console sees a level about the same as the un-translated burst. Rear panel potentiometer R5 is available to adjust the level. The Self-Test command $$KEYT is used for setting outbound data deviation. This command forces a 10 second burst of data from the Cplus. Page 12
SECTION 7 Programming The C Plus is set-up via the RJ-11 RS-232 serial connection. The RJ-11 serial connection can be used with any computer running terminal emulation software like Hyperterminal. When Using Hypertermal, characters you type will not be visible on the computer display. Upon initial power-up, the C Plus counts down for 10 seconds. After the countdown, the C Plus is ready. To program the C Plus, type: $$CPlus The Cplus display will show the word: When in program mode, the C Plus suspends normal operation until program mode is exited. The following menu will appear on Hyperterminal: Note: Not all programming items are available for the Cplus Translator. Page 13
Programming the C Plus Personality The C Plus is shipped with the default format type = MDC-1200. This is the correct setting to translate FleetSync, GE-Star, or DTMF. Note: Not all programming items are available for the C Plus Translator. To confirm the C Plus personality, from the main menu, type a 2 to select: 2. PROGRAM THE CPLUS PERSONALITY The following menu appears: C PLUS PERSONALITY PROGRAMMING 1. SELECT FORMAT TYPE 2. SELECT OUTPUT TYPE 3. SELECT DISPLAY TYPE 4. SELECT MUTE TYPE 5. DEFINE SERIAL PORT PARAMETERS 6. DEFINE RADIO INTERFACE 7. ASSIGN PORTS 8. ASSIGN CHANNEL NUMBER 9. ASSIGN BASE ID NUMBER A. ENABLE/DISABLE SOUNDER PRESS BACK SLASH "\" TO GO BACK OR PLEASE ENTER YOUR SELECTION:_ 1. SELECT FORMAT TYPE The following menu appears: SELECT FORMAT TYPE 1. GE STAR 2. GE STAR NYSP 3. MDC-1200 4. FLEETSYNC 5. DTMF Your current selection of format type is:_3 Press back slash "\" to go back Or enter 1-3 for a new selection of format type:_ MDC-1200 is correctly selected! Page 14
In addition to FleetSync, you may enable the Translator to translate GE- Star and/or DTMF data into MDC-1200 as follows. 1. SELECT FORMAT TYPE The following menu appears: SELECT FORMAT TYPE 1. GE STAR 2. GE STAR NYSP 3. MDC-1200 4. FLEETSYNC 5. DTMF Your current selection of format type is:_3 Press back slash "\" to go back Or enter 1-3 for a new selection of format type:_ Select: 1. GE STAR and/or Select: 5. DTMF Although the Translator is now programmed for up to 3 formats, the Menu will always return MDC-1200 as the selected format. Page 15
Unique Settings for FleetSync FleetSync contains Fleet ID s which cannot be supported by the structure of MDC-1200. This requires the translator to strip the Fleet ID from the received data string and forward only the unit ID. To support Fleetsync group ID translation, up to ten ID translations can be entered into the C Plus. ID translations are defined by entering the following string: $$Fxxxx=Myyyy Where: xxxx is the four digit FleetSync target group ID yyyy is a four digit MDC-1200 group ID. If a FleetSync group call is received targeting group xxxx, the translator will substitute MDC ID yyyy for that translation. For example, $$F4911=ME123 will permit FleetSync group ID 4911 to be translated into MDC group ID 123. MDC-1200 ID s that begin with E represent MDC groups. An existing table can be read from the C Plus by entering the string: $$FVIEWGROUPS The table can be deleted by entering the following string: $$FERACEGROUP If DTMF mode is selected, the following programming options must be considered: Unique Settings for GE-Star The GE-Star format has many variations which most users will never be involved with. If you believe your system to use one of the less common variations, contact the Cimarron Technologies Engineering Department and we will be glad to help you program the Translator. Unique Settings for DTMF Mode The DTMF format has many non-standard timing variations which most users will never be involved with. If you believe your system uses one of the less common character timings, contact the Cimarron Technologies Engineering Department and we will be glad to help you program the Translator. ID Qualifying is a type of filtering which is available in the Translator. If you believe your system would benefit by the use one of the filter, contact the Cimarron Technologies Engineering Department and we will be glad to help you program the Translator. Page 16
SECTION 8 Operation Front Panel Displays and Controls C Plus I - Translator The C Plus I - Translator is a computer interface device. The front panel consists of LED Indicators describing the functioning of the unit. The LED s and their function are as follows: LED Indicator MUTE DECODE Tx I/O ACTIVE Rx I/O ACTIVE Tx BUSY KEYED ENCODE AUX 1 ERROR POWER RESET button Meaning Lights when the C Plus detects data which may or may not decode. Stays lighted during the entire reception period. Follows the action of the Mute relay. Lights when the C Plus has successfully synchronized with incoming data and is decoding valid data. Lights when the C Plus is providing data to the RJ-11serial port. Lights when the C Plus is detecting data from the RJ- 11serial port. Indicates that the attached transmitter is busy. Indicates that the C Plus is keying the attached transmitter Indicates that the C Plus is modulating data for transmission. Not active. Flashes when there is an equipment failure. Indicates that the unit is powered on. Resets the CPU. Page 17
C Plus II - Translator The C Plus II Translator showing a pre-translated FleetSync ID = 123-6345. This ID will be translated to MDC-1200 ID = 6345. Signaling Typical Translation Comments type Display FleetSync 123-6345 6345 A PTT ID has been received from radio whose fleet number is 123 and ID is 6345. GE Star 1234 1234 MDC- 1200 A876 A876 MDC-1200 ID s are in hexadecimal. In operation the C Plus II will alternate between the decoded ID and the abbreviation XLAT and the decoded ID Message type. The Translated MDC-1200 ID is not displayed. Page 18
The RS-232 port will show the decoded ID. The RS-232 port will not show the translated MDC-1200 ID. The C Plus II has two push buttons on the front panel. The right button is labeled CLEAR and clears the display. The left button is labeled REVIEW and when pressed, steps the display through the last 20 received messages. Messages are displayed just as they were received except the left most display shows the order in which the messages were received. The most recent message will be labeled a. Subsequent messages will be labeled b, c and so forth. To facilitate speedy review, non-ptt messages alternate in 1-second intervals between ID/alias and message type instead of 2-second intervals. To clear the review buffer, press and hold the review button while pressing the clear button. The review memory will be erased. The review buffer resides in SRAM and as such is volatile. If power is lost or removed, the review buffer will be erased. Page 19
C Plus III - Translator The C Plus III is a multiple window dispatch display unit. The main display and its features are the same as the C Plus II. In addition to the main display, there is a secondary, smaller display capable of displaying 28 characters just above the two push buttons. This display area is user programmable to present two different features. Page 20
SECTION 9 Serial Port Note: The serial port is mainly for programming. However, the port will output the decoded ID slated for translation. Please contact the Cimarron Technologies Engineering Department if you plan to make extensive use of the Serial Port in your system. On the back of the C Plus, there is an RJ-11 six conductor phone jack. This port can be programmed as a printer port and be connected directly to a serial printer to record channel activity. Baud rates available are 1200, 2400, 4800, 9600 and 19200 with 7 or 8 data bits and odd, even or no parity. The C Plus can be connected directly to a serial printer. The Cimarron Standard serial output format is the default format which contains time and date information. The RS-232 port can also be used to connect to the serial port of a computer. This port is capable of two way communications, accepting commands for transmission to remote radios. The RJ-11 (6 pin modular) connector is RS-232 protocol compatible with pin assignments as described in the figure below: connection directly into a computer serial port connection directly to a serial printer RJ-11 Pin # DB-9F Pin # RJ-11 Pin # DB-9M Pin # 1 (Wht) Not Connected 1 (Wht) Not Connected 2 (Blk) 8 2 (Blk) 8 3 (Red) 7 3 (Red) 7 4 (Grn) 2 4 (Grn) 2 5 (Yel) 3 5 (Yel) 3 6 (Blu) 5 6 (Blu) 5 Page 21
SECTION 10 Troubleshooting Performing Self Tests To facilitate troubleshooting of the C Plus, the following special commands exist. Commands $$LOOP $$KEYT $$OUTS Definition Generates a PTT ANI message and then an emergency message in the signaling format currently in operation. Repeats for 16 seconds, one message per second. Keys the C Plus and sends data for 10 seconds in the signaling format currently in operation Causes the outputs to individually wiggle for 3 seconds each. Affects Key, RXMute, TXCtl, Out1 and Out 2. $$DISPLAY Illuminates all pixels in the display (C Plus II and III) The Local Loop-Back test ($$LOOP) generates a PTT ANI message and then an Emergency ANI message in the data format selected previously (GE Star, MDC-1200, FleetSync ). DTMF encoding is not supported and therefore, $$LOOP does not function in DTMF mode. This signal generation will continue for 16 seconds, with one message being generated per second. Emergency acknowledgments are not sent during this test. If the test is successful, the display will display the decoded messages. If an alias has been programmed for the test ID, then the alias will be displayed. Test ID s are as follows: Data Format Test ID GE Star 8888 MDC-1200 8888 FleetSync 123-1234 DTMF Not Supported To prepare for the local loop-back test, disconnect the C Plus from the attached communications system and connect Data Out A to Data In A and connect Data out B to Data In B. Note that once the emergency message is received, subsequent PTT ID messages will not be displayed unless the clear button is pressed. This is because critical messages must be cleared manually from the display. Serial output, however, will display all messages received. The Data Modulation Test ($$KEYT) is used to adjust data output for the proper deviation level. When selected, the C Plus will activate the Key line and send 10 seconds of pseudo-data in the data format selected previously. Output level should be adjusted so that data deviation is equal to or just below voice deviation. The Output Line Test ($$OUTS) wiggles output lines to allow verification of operation. (Key, RXMute, TXCtl, Out 1, Out 2). This test should only be performed when the C Plus is not connected to an associated radio. Each of the above mentioned lines will be Page 22
brought active for 500ms and then inactive for 500ms and then active for another 500ms. This cycle will continue for three seconds for each line. Only one line is wiggled at a time. Installation Hints The C Plus is AGC controlled and generally requires no adjustments to the receive signal. However, if you are having a decode rate of under 100%, try performing the following steps. Refer to the main board schematic. Notice that there are attenuation networks controlled by JP13, JP12 and JP11 (for unbalanced systems) and JP10, JP9 and JP8 (for balanced systems). Also notice that after the attenuation networks, there is an amplifier (U9B) whose gain is controlled by jumper placement on JP5. Use an oscilloscope to view the ANI signal waveform at TP10. Adjust the appropriate jumpers in the attenuation circuitry so that your waveform is not clipped and maximum values are not exceeded. Now view the waveform at TP7 and adjust jumper JP5 and VR3 for a 500mV p/p ANI signal. Isolating System Problems Timing is very important. If you have system problems, the first place to spend your energies is with timing issues. Check attack delay in repeater systems. Start with a long delay that gives you 100% decode and then shorten it up. Voting systems can add distortion which our digital signal processor can overcome. But if the voter votes in the middle of a data burst, the data will probably be lost. In all installations, ensure that station ground is attached to either P2 pin 10 or P1 pin 8.Power Supply Schematic Page 23
SECTION 11 Schematics Data Input and Output Page 24
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APPENDIX A Mute Relay A Mute Relay is available to assist in silencing most of the ANI burst heard by operators and dispatchers. The Relay activates as soon as the incoming data (FleetSync, GE-Star, or DTMF) is determined to be data and not random noise. The determination takes around 50 ms. When the operator s speaker is passed through the Mute Relay, a good portion of the incoming data will be silenced. The operator will however, hear the 50 ms of leading data burst. If the console has a MDC-1200 muting function, then the operator will not hear the MDC-1200 data burst. The following timing diagrams illustrate how the Mute Relay reacts. Cimarron Technologies Engineering Department will be happy to assist in planning a Mute scheme for your site. Page 26
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Product Warranty Cimarron Technologies Corporation (Cimarron), Warrants its standard products, to be free from defects in material and workmanship for three (3) years from date of shipment. If a defect occurs, it will be repaired or replaced (at our option) without charge for materials and labor if returned to the factory. All Warranty work will be performed at Cimarron s factory and in no case shall Cimarron bear the cost of on-site labor. Products returned under this Warranty must be unmodified. Cimarron reserves the right to refuse Warranty repairs or replacements for any products that are damaged or not in original form. This Warranty does not apply to any parts damaged due improper use--including accident, neglect, unreasonable use, physical abuse, and improper installation--or to unauthorized alterations or modifications of the equipment. Warranty excludes damage caused by lightning, fire, floods, damage caused by environmental extremes, power surges, over voltages, or transients. Cimarron's Warranty does not extend to batteries or fuses nor does it cover products not originally manufactured by Cimarron, such as printers, PCs, hand held terminals, or radio equipment. Repair by other than Cimarron, will void this guarantee. In-Warranty merchandise must shipped, freight prepaid, to Cimarron. Cimarron will return, freight prepaid UPS Ground, the repaired or replaced equipment to purchaser, within the United States. Out of Warranty repairs will be billed at an hourly rate approved by the customer before work is performed. Cost of replacement parts and shipping will be quoted and must be customer approved prior to repair. This Warranty applies to the original purchaser of the equipment only unless a clear chain of proof of purchase can be provided to prove product age. Cimarron is not liable under this Warranty, or any implied Warranty, for loss of use or for other consequential or damage experienced by the purchaser. Some states do not permit the exclusion or limitation of implied warranties or consequential damages. This Warranty provides special legal rights, the purchaser may have other rights which may vary from state to state. Cimarron makes no Warranty other than the one set forth above. Such Warranty is in lieu of all other warranties, express or implied, including but not limited to any express or implied Warranty of merchantability or fitness for particular purposes, and such constitutes the Warranty made with respect to the products. No guarantee is made with respect to the products as to system performance unless such a guarantee has been set forth in a separate contract document signed by Cimarron Technologies Corporation Cimarron makes no other Warranty or representation implied or express for its products, designs and derivatives with respect to merchantability, fitness for a particular purpose or any other matter. Cimarron products are not intended, authorized or warranted by Cimarron to be suitable for use in life support, medical or other critical applications that may involve risks of death, personal injury or severe property or environmental damage. Cimarron in addition to the warranties disclaimed above specifically disclaims any and all warranties implied or express for use in such applications. Cimarron products in such applications are understood to be fully at the risk of the customer, and that Cimarron is thereby indemnified against all damages. Limitations of Liability. Cimarron shall not, under any circumstances, be liable for any compensatory, consequential, incidental, future or punitive damages, whether in contract, tort or any other legal theory, arising from the use of, or in conjunction with its products. The aggregate liability of Cimarron to customer under this agreement for any claim arising from use of its product is limited to the invoice price of the product. Each party acknowledges that the other party has entered into this agreement relying on the Limitations of Liability stated herein and that those limitations are an essential basis of the bargain between the parties. Obligation to Indemnify. Customer agrees to indemnify, defend and hold Cimarron, its manager(s), and applicable third parties (e.g. licensors, suppliers, consultants and contractors) (collectively "Indemnified Persons") harmless from and against any and all third party claims, liability, loss, and expense (including damage awards, settlement amounts, and reasonable legal fees), brought against any Indemnified Person(s), arising out of, related to or which may arise from use of Cimarron products. Page 28
INDEX A AGC... 23 Amplification... 11 Attenuation... 9 B Baud rate... 21 C C Plus I... 17 C Plus II... 18 C Plus III... 20 CLEAR... 19 D Data deviation... 12 Data input... 10 Data input adjustment... 10 Data Modulation Test... 22 Data output... 12 Decode rate... 11 DTMF ID Qualifying... 16 DTMF mode... 16 DTMF timing... 16 F Fleet ID s... 16 Fleetsync group ID... 16 Front Panel Displays and Controls... 17 G GE-Star... 16 I Input Signal Amplification Jumpers... 11 Input Signal Attenuation Jumpers... 10 J Jumpers... 9 L LED Indicators... 17 Loop-Back test... 22 M Mute Relay... 6, 26 O Output Line Test... 22 P Performing Self Tests... 22 Personality... 14 Printer port... 21 Programming... 13 R REVIEW... 19 Review buffer... 19 RS-232 Port... 21 T Translation Delay... 6 V Voting systems... 23 W Warranty... 28 Page 29