RL-502 144/430MHZ DUAL BAND FM TRANSCEIVER OPERATION INSTRUCTION RoHS
Table of Contents Packing List...1 Cautions...2 Parts Name & Functions...3 Fitting & Removing the Battery Pack...4 Installation the battery pack... 4 Remove the battery pack... 4 Installation the antenna... 4 Attachment belt clip... 5 Installation Mic & Spk... 5 Symbols Description...6 Basic Operation...7 Turn the radio ON & OFF... 7 Monitor... 7 Transmitting... 7 Display Mode... 8 Channel Selection... 8 Switch Main band to Sub band... 8 Add A Channel... 8 Duplicate A Channel... 8 Delete A Channel... 9 CLONE Operation...9 Hot key... 10 FM Radio Mode... 10 Menu items... 11
Menu Operation...11 Scan Type Selection...11 TOT (Time-Out Timer)...12 VOX Level Setting...12 Call Setting...12 Roger Beep Setting...13 Beep Setting...13 Key Lock...13 Emergency Channel Setting...14 Backlit Setting...14 Transmit Power Setting...14 Auto Power Off...15 Scan CTCSS Setting...15 Scan DCS Setting...15 Saving Mode Setting...16 Operation Mode Setting...16 Transmitter & Receiver Sub Tone Setting...17 Receiver Sub Tone Setting...17 Transmitter Sub Tone Setting...17 Frequency Step Setting...18 FM Radio Mode Setting...19 Scan channel Add/Del...19 Channel Name Tag...19 Burst Tone 1750Hz...20 Channel Spacing Selection...20 Auto Repeater Setting...20
VOX Delay Setting...21 TOT Reminder Setting...21 Busy Channel Locked Out...21 Dual Watch Setting...22 Repeater Setting...22 Quick index of menu... 23 Annex I... 26 CTCSS...26 DCS...26 Annex II... 29 Technical Specifications...29
Packing List ITEM Q ty RL-502 Radio 1 Antenna 1 Battery Pack 1 Charger 1 Belt Clip 1 Operation Instruction 1 Antenna Battery Charger Belt Clip Operation Instruction PAGE 1
Cautions * NEVER transmit without antenna. * USE DC power supply, take notice of power voltage must be between 6V and 8V to avoid damaging the unit. * PLEASE keep the radio dry. Rainwater or damp will corrode electronic circuits. * DO NOT open the unit. Non-expert handling of the unit may damage it. * DO NOT forget to remove the radio from the charger when the battery is fully-charged. * MAKE SURE the radio is turned off while charging. * AVOID storing the radio under the sunshine or in hot areas. High temperature can shorten the life of electronic devices, and warp or melt certain plastics. * AVOID storing the radio in dusty, dirty areas. * Risk of explosion if battery is replaced by an incorrect type. * Dispose of used batteries according to the instructions. PAGE 2
Parts Name & Functions Antenna Connector Power/Volume knob [PWR/VOL] LED Indicator Loudspeaker Microphone LCD Display Function(FUN) / Exit button UP & Down Button Enter/Menu Button VHF/UHF Switch Button Push to talk Button [PTT] LAMP Button Monitor Button [MON] Release Button Extension MIC/SPK Battery Pack PAGE 3
Fitting & Removing the Battery Pack Installation the battery pack * Fit the bottom edge of the battery pack into the holes of the transceiver cabinet bottom. * Push the battery pack down to the transceiver aluminum chassis till the end click. Remove the battery pack * Keep pressing the release buckle of the battery pack and lift the battery pack up from the transceiver body. Note: It is normal for this buckle to be stiff. Installation the antenna * Hold the antenna and insert to SMA connector, rotate the antenna clockwise until it is tight. PAGE 4
Attachment belt clip Attach the Belt Clip * Remove the battery pack from radio. * Put belt clip into groove on battery pack until end click. Detach Belt Clip: * Remove the battery pack from radio and press the release buckle until spring is opened. * Push belt clip out. Installation Mic & Spk * Open the cover of extension connector * Insert the extension microphone & speaker PAGE 5
Symbols Description Indicates battery level Dispersion to above receiving frequency Dispersion to under receiving frequency Indicates Saving Mode Indicated while keypad has been locked Indicates Digital Code Squelch Indicates Continued Tone Code Squelch Indicates VOX is activated VOX Activate Indicates Hi Power Transmission Indicates Low Power Transmission Indicates strength of receiving Indicates Frequency or Channel Channel Numbers Indicate current channel has scanning mode Indicates the Squelch is opened Indicates FM Radio Mode Indicates narrow band Twin Band monitor /VHF/UHF PAGE 6
Basic Operation Turn the radio ON & OFF 1) Rotate the PWR/VOL knob clockwise till the radio is turned on. The radio gets started to auto test for two seconds. During auto testing, all icons will appear on LCD. 2) After auto testing is done, LCD will show channel number and what functions have been activated by your dealer. 3) Rotate the PWR/VOL knob clockwise to increase its volume or counter clockwise to reduce its volume. 4) To turn the radio off, rotate the PWR/VOL knob counter clockwise until the end click. Monitor Press the MON button on the side of the radio to open the squelch. This allows you to override the squelch and the CTCSS or DCS tones. It is useful to monitor the channel before you transmit and ensure there is no one using the channel when you have CTCSS or DCS tones programmed. Transmitting Before transmitting, you can monitor the channel you are using to ensure it is not busy. Keep pressing PTT button and start talking at approximately 2 inches from the MIC jack. During transmitting, the LED on the top of the radio will glow red. Release PTT button when you have finished talking. PAGE 7
Display Mode * Frequency Mode Channel Mode * Memorised Mode Refer the menu item 6 Channel Selection In channel mode, pressing the button to increase or decrease the channel number. The other way, pressing channel number goes to desired channel by alphanumeric keypad. Switch Main band to Sub band In frequency or memorised mode, press * button to toggle main band and sub band. Add A Channel In frequency mode, select desired frequency or any other items like CTCSS, DCS, press button, The LCD display SAVE char, press button goes to the channel number you wish to store, press button to save and exit. Duplicate A Channel In channel or memorised mode, select desired channel number, press button, The LCD display COPY char, press button goes to the channel number you wish to store, press button to save and exit. PAGE 8
Delete A Channel Set radio to memorised mode and select the channel will be deleted and then turn off the radio, next to keeping press button and turn radio on, The LCD shows DEL char, finally press button to save and exit. CLONE Operation To connection as following illustration A)Target Radio: Just to turn the radio on B)Source Radio: Keeping press MON button and turn on the radio, The LCD shows CLONE char, Press button to begin transmitting. It is going to stand by after finished. PAGE 9
Hot key * RF Power Setting * Squelch Level Setting * Display Mode Setting * Display Single Band * VOX Level Setting * TOT Setting * Transmitter and Receiver Sub Tone Setting * Receiver Sub Tone Setting * Transmitter Sub Tone Setting * Start Scanning * Reverse Frequency * Switch to emergency channel * Save or duplicate a channel * Keypad lock * Unlock key pad for 2 second * Turn FM Radio On/Off FM Radio Mode In stand by mode, press button to enter FM radio setting, The LCD display RADIO char, press button or number to change FM Radio frequency, press button to start scanning, press button to next scan. To Save the station: press button, LCD shows SAVE char, press Number 1-9 to save To Load station: Press button, the LCD display LOAD, press number 1-9 to load the station last you save. To exit FM radio mode: press button to quit. PAGE 10
Menu items Menu Operation 1. In channel or Frequency Mode 2. Press button to enter menu mode. 3. Press menu item. 4. Press to enter the function. 5. Press to select parameters. 6. Press button to confirm and return menu. 7. Press button comes back to Scan Type Selection In menu mode, press item 1 function until LCD shows SCAN char, press button to to select the parameters from TO/CO/SE. TO: Time-Operated Scan-> After radio is locked in a busy channel for 5 second, the radio will begin scanning other channels. CO: Carrier-Operated Scan-> Radio will be locked in a busy channel till there isn t any carrier. Meanwhile, the radio will begin scanning other channels. SE: Search Scan -> Radio will be locked in a busy channel at all time till you press button. PAGE 11
TOT (Time-Out Timer) TOT is the function that prevents from locking up a repeater or frequency by prolonged keying of PTT. The time-out timer limits the amount of time you have to transmit your message. When limited time reaches, Transmitter will be cut off. item 2 until the LCD shows TOT, press to enter the function, press to select the time from (OFF, 30, 60...240) VOX Level Setting item 3 until the LCD shows VOX char, press to to select the level from (0FF, 1, 2..., 9). Press Call Setting button to confirm and return to menu mode, press item 4 until the LCD shows CAL char, press to to select the parameters from(0ff, 1, 2.3, 4)Press button to confirm and return to menu mode, press for other setting or press button comes back to PAGE 12
Roger Beep Setting item 5 until the LCD shows ROG, press to enter the function and press to select the beep type from (0FF, 1, 2.3, 4). Beep Setting item 6 until the LCD shows BEEP char, press to enter the function and press to select either On or OFF. Press Key Lock button to confirm and return to menu mode, press item 7 until the LCD shows KYLOCK char, press to to select from AUTO / MANU * AUTO: Automatic locked the key after idling 15 seconds * MANU:Keypad lock by manual. Press button to confirm and return to menu mode, press PAGE 13
Emergency Channel Setting item 8 until the LCD shows MEM char, press to to select a channel as emergency channel from channel 1 to 128. Backlit Setting item 9 until the LCD shows LED char, press to to select from AUT/OFF/ON. * AUT: Turn on backlit after any key be pressed for 5 seconds * ON: Backlit is always on * OFF: Turn off the backlit( except LAMP button) Transmit Power Setting item 10 until the LCD shows POW char, press to to select from High/Low * High: Hi Power Transmit * Low: Low Power Transmit Press button to confirm and return to menu mode, press PAGE 14
Auto Power Off item 11 until the LCD shows APO char, press to to select from OFF, 10M, 30M, 1H or 2H Scan CTCSS Setting item 12 until the LCD shows CTSCAN char, press to to select scanning direction At scanning mode, the channel has a CTCSS code, the LCD appears the code, press to confirm this code and press PTT key to talk. Scan DCS Setting item 13 until the LCD shows DCSCAN char, press to to select scanning direction PAGE 15
At scanning mode, the channel has a DCS code, the LCD appears the code, press Squelch Level Setting to confirm this code and press PTT key to talk. Under menu. item 14 until the LCD shows SQL char, press to to select from squelch level from 0FF, 1, 2..., 9. Saving Mode Setting item 15 until the LCD shows SAVE char, press to to select from ON/OFF. Operation Mode Setting item 16 until the LCD shows MODE char, press to to select from CH/FREQ. * FREQ: Frequency Mode * CH: channel Mode * CHFREQ: Memorised mode * NAME: channel name tag mode Press button to confirm and return to menu mode, press PAGE 16
for other setting or press button comes back to Transmitter & Receiver Sub Tone Setting item 17 until the LCD shows C-CTC char, press to to select CTCSS code ( press * to switch group to DCS). Receiver Sub Tone Setting item 18 until the LCD shows R-CTC char, press to to select CTCSS code ( press * to switch group to DCS). Transmitter Sub Tone Setting item 19 until the LCD shows T-CTC char, press to to select CTCSS code ( press * to switch group to DCS). PAGE 17
Beat Frequency Setting item 20 until the LCD shows OFFSET char, press to to select offset frequency or keyin the number from 00.000 MHz to 69.9875MHz, Potential Difference. item 21 until the LCD shows RPTMOD char, press to to select from Off/+/-. * OFF: turn off the potential difference. * +: Indicates TX frequency plus beat frequency * -: Indicates TX frequency minus beat frequency Frequency Step Setting item 22 until the LCD shows STEP char, press to to select from 5K/6.25K/10K/12.5K/25K/50K/100K PAGE 18
FM Radio Mode Setting item 23 until the LCD shows FMR char, press to to select from On/Off. * ON: To enable monitor the TX/Rx activity, and return to FM radio after 10 sends later. * OFF: To disable monitor TX/Rx activity under FM radio mode. Scan channel Add/Del item 24 until the LCD shows SCNADD char, press to to select from ADD/DEL. * ADD: Add the channel at scanning mode * DEL: Delete the channel at scanning mode Channel Name Tag item 25 until the LCD shows CHNAME char, press to button or number to edit name, press to edit next char, Press button to confirm and return to menu mode, press for other setting or press button comes back to PAGE 19
The operation is just for channel or memorised mode. Burst Tone 1750Hz item 26 until the LCD shows 1750 char, press to to select transmitting timing from (OFF/1000/2000/3000/4000/5000 ms), Channel Spacing Selection item 27 until the LCD shows W/N char, press to to select from NAR/WID * NAR: Channel Spacing 12.5KHz * WID: Channel Spacing 25KHz Auto Repeater Setting item 29 until the LCD shows ARS char, press to to select from On/Off Press button to confirm and return to menu mode, press PAGE 20
* ON: potential difference use in current channel only, it disable function after change channel or frequency * OFF: potential difference use in any channel/frequency stand by mode. VOX Delay Setting item 29 until the LCD shows VOXDL char, press to to select delay time from (0.3/0.5/1/1.5/2/3 S). TOT Reminder Setting item 30 until the LCD shows TOA char, press to enter the function and press to select delay time from (0.3/0.5/1/1.5/2/3 S). Busy Channel Locked Out item 31 until the LCD shows BCL char, press to to select from On/Off. PAGE 21
* ON: The radio does not allow to transmit with matching group code. * OFF: The radio allows to transmit with matching group code.. Dual Watch Setting item 32 until the LCD shows DW char, press to to select from On/Off. Press button to confirm and return to menu mode, press * ON: Sub band allows to transmit and receive while sub band with signal. * OFF: Sub band do not allow to transmit while sub band with signal Main band shows a little arrow on LCD and is always allowed to transmit and receive. Repeater Setting item 33 until the LCD shows REP char, press to to select from A<->B/A->B/A<-B. comes back to * A<->B: A and B allow to transmit and receive. * A-->B: A allow to transmit only, B allow to receive only. * A<--B: A allow to receive only, B allow to transmit only. PAGE 22
Quick index of menu In channel/frequency mode, press button to enter menu, press menu item, press to enter the function, press to select parameters, Items Function Description Parameters Mode SCAN 01 Scan Setting TO/SE/CO TOT 02 TOT Setting 30/60/90..240 & OFF VOX 03 VOX Level Setting 1~9 & OFF CAL 04 Call setting 1~4 & OFF ROG 05 Roger Beep Setting 1~3 & OFF BEEP 06 Beep Setting ON/OFF KYLOCK 07 Key lock MANU/AUTO MEM-CH 08 Emergency Setting CH1~CH128 PAGE 23
LED 09 LED Setting AUTO/ ON/OFF POW 10 Rf Power Setting High/Low APO 11 Auto Power Off OFF/10M/30M 1H/2H CTSCAN 12 Scan CTCSS DCSCAN 13 Scan DCS SQL 14 Squelch Setting 0~9 Frequency SAVE 15 Saving Mode ON/OFF Channel MODE 16 Display Mode CH/CHFREQ FREQ/NAME Frequency C-CTC 17 TX/RX Code Setting Refer Annex I Frequency R-CTC 18 RX Code Setting Refer Annex I Frequency T-CTC 19 TX Code Setting Refer Annex I Frequency OFFSET 20 Offset Frequency 00.00~ 69.987MHz Frequency RPDMOD21 Potential Difference OFF/+/- Frequency PAGE 24
STEP 22 Freq Step Setting 5K/6.25K/10K/12.5K 25K/50K/100K FMR 23 FM Radio Mode ON/OFF SCNADD 24 Add Scan Channel ADD/DEL CHNAME 25 Channel Name Tag 1750EN 26 1750Hz Time Setting OFF/1/2 3/4/5S WN 27 Channel Spacing WIDE/NAR Frequency ARS 28 Auto Repeater Setting ON/OFF Channel VOXDL 29 VOX Delay Setting 0.3/0.5/1 1.5/2.0/3S Frequency TOA 30 TOT Reminder OFF/1-10S Frequency BCL 31 Busy Channel Locked Out ON/OFF Frequency DW 32 Dual Watch Setting ON/OFF Frequency REP 33 Repeater Setting A<->B/A<-B /A->B Frequency PAGE 25
Annex I CTCSS DCS PAGE 26
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Annex II Technical Specifications GENERAL Frequency 136-174MHZ 400-470MHz Channel Numbers 128 Channel Spacing 12.5KHz/25kHz Modulation Mode. F3E (FM) Supply Voltage 7.4V DC Operation Temperature- 25 C to +60 C Frequency Stability ± 2.5ppm Size (mm) W 59 x L 122 X H 40 Weight 220 grams w/o battery back Approval Directive EN 301 783 TRANSMITTER RF Output Power VHF 5W/1W; UHF 4W/1W Max.Freq. Deviation 5KHz Adjacent Channel Power 60dB Audio Distortion 5% RECEIVER Selectivity 0.18uV @12dB SINAD Adjacent Channel Selectivity 60dB Spurious Response Rejection 60dB Intermodulation 60dB Audio distortion 5% PAGE 29