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General Mobile Radio Service (GMRS)
Model : GMRS500SLK
Owner's
Manual
Customer Service
1-800-290-6650
128-7108
1of28
Released: 5-28-04
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THIS PAGE LEFT BLANK INTENTIONALLY 2 128-7108 2 of 28
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CAUTION SAFETY INFORMATION Your wireless hand-held portable transceiver contains a low power transmitter. When the PTT button is pushed (or the VOX mode is enabled) it sends out radio frequency (RF) signals. The device is authorized to operate at a duty factor not to exceed 50%. In August 1996, the Federal Communications Commissions (FCC) adopted RF exposure guidelines with safety levels for hand-held wireless devices. Important: To maintain compliance with the FCC’ s RF exposure guidelines hol
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WARNINGS: Battery Care Never attempt to charge other brands of batteries, as batteries may burst causing personal injury and damage to the product. When rechar- ging Lithiumion(Li-ion) batteries with the AUDIOVOX charger, use only supplied Audiovox-approved rechargeable batteries. Use of the Audiovox charger (also supplied) with other brands of batteries is not recommended, as battery charging times will vary with different brands. Refer to the Manufacturer’s instructions for charging other
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Model GMRS500SLK (FCC License Required) 5 6 15 8 3 4 (REF) 13 11 16 9 2 12 10 1 (REF) 14 1 7 1. Battery internally installed 9. Built-in Microphone 2. Monitor/Backlight Button 10. Up Channel/Volume Button 3. Wrist strap ring 11. Down Channel/Volume Button 4. Push-To-Talk (PTT) Button 12. MODE/FM Button 5. Antenna 13. Power On-Off/SCAN 6. External Speaker(SPK)/Micro- Button phone (MIC)/Charge (CHG) Jack 14. VOX/LOCK Button 7. Built-in Speaker 15. White Flashlight LED 8. Liquid Crystal Display (LC
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Model GMRS500SLK DISPLAY 9 6 10 4 2 3 1 13 8 7 14 11 5 15 12 1. Beep Tone Indicator: Icon appears when beep button confirmation tone is selected; icon disappears when tone is off. 2. Key Lock Indicator: Icon appears when the keypad is locked. This function disables keys such as channel up/down, SCAN and MODE. 3. Monitor Indicator: Icon appears when the Monitor (M) button is pressed and the channel monitor function is activated. 4. Signal Strength Indicator: Icon appears when a signal is being
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12.Small Segment Display: Displays the CTCSS tone option for each main channel from 01-38. 13.Dual Watch Mode Indicator: Indicator appears when dual watch mode is active. 14.Voice Activated Transmission (VOX) Indicator: This function allows hands free conversation. The indicator appears when the VOX mode is activated. 15.Volume Level Indicator: Indicator appears the volume level Equipment and Accessories Supplied 1. Radio (1) GMRS500SLK 2. Owner’s Manual 128-7108 3.. AC Wall Adapter GMRS5AC 4.
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Battery charging 1. Audiovox Rechargeable Li-ion Batteries - (Rechargeable Li-ion batteries and Charging Adapter included). Use only Audiovox approved rechargeable batteries and charging equipment when charging batteries internal to the unit. WARNING: Do not attempt to charge the battery using other charger. INPUT: 110VAC ADAPTER OUTPUT: 9VDC POWER PLUG + AC WALL ADAPTER/ CHARGING TRANSFORMER - MODEL: GMRS5AC RED LED : ON - CHARGING OFF - CHARGING finish Battery icon will appear during charging
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GMRS500SLK OPERATIONAL MODES GMRS/FRS BAND FM BAND CHANNEL FM station SELECT searching CTCSS SELECT NOTE: 1. To switch between GMRS/FRS POWER (GMRS Channels and FM Band modes, SELECT Only) press and hold the Mode but- VOX LEVEL ton for 3 seconds. Refer to the SELECT appropriate section of this DUAL manual for detailed operating WATCH instructions for each mode. BUTTON 2. To enter the VOX mode, press BEEP and hold the SCAN button for 3 ROGER seconds. BEEP CALL Controls: SELECT LED Flashlight Butt
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Monitor/Display Backlight Button (2) This button is used to check activity on the current frequency before transmitting. Check activity by pressing the Monitor (M) Button longer than 2 seconds; the icon will apppear on the display and you will hear static if frequency is clear. Do not transmit if you hear conversation. Hold down the Monitor Button again longer than 2 seconds and the icon will disapppear from the display. The monitor function will temporarily bypass the squelch setting and pl
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Mode Button (12) This button is used to select the various feature settings in the GMRS/FRS or FM radio band modes. Holding the MODE button longer than 2 seconds will toggle between the GMRS/FRS and FM band modes. External Microphone (MIC)/Speaker (SPK)/(CHG) Jack (6) This jack accepts an Audiovox Earbud/microphone connector, or the Charging Adapter connector. For equipment and accessories supplied with the GMRS500SLK, refer to Page 7 and/or visit the Audiovox web site at www.audiovox.com. VOX/
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- Release PTT Button (4) to receive. - Communication can only be accomplished when the channel and CTCSS tone frequency of at least two parties are the same. - The CTCSS small segment display will appear next to the main frequency channel on the display if the CTCSS tone frequency function is enabled. Channel Selection In order to communicate with other GMRS units, both transmitting and receiving party must be on the same frequency. The GMRS500SLK has 22 channels (frequencies) indicated by the l
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party on the same main channel using the same subcode. (This filters out unwanted transmissions without the same coded squelch tone). There are 38 CTCSS Sub-channels for each main channel. A different subcode may be selected for each of the 22 channels. To change the CTCSS Sub-channel: - From GMRS/FRS standby mode, press the MODE Button twice; a flashing oF or sub-channel number is displayed. If oF is displayed, press the Up or Down button to enable the CTCSS mode. - Then press the Up or Down bu
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VOX Sensitivity Level Selection This selection enables you to set the sensitivity level to compensate for ambient noise in your immediate area. A VOX sensitivity of 2 represents high sensitivity, and should be used in a relatively quiet surrounding. A VOX sensitivity of 1 represents low sensitivity and should be used in a noisy environment. To set the VOX sensitivity level: - Press the MODE button 4 times (3 times for FRS) until the Vo icon appears on the display accompanied by the flashing nu
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- Press the PTT button momentarily to confirm selection of the dual watch channel. The display will now alternate between the primary channel and the dual watch channel just selected. NOTE: Pressing the PTT button during dual watch mode will trans- mit on the primary channel and suspend dual watch opera- tion for 5 seconds. Dual watch mode will then resume. - Momentarily press the SCAN button to exit the dual watch mode. Key Tone This feature allows the transceiver to sound a confirmation tone w
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Call Ringer Selection Mode The transceiver provides 3 user-selectable call ringer melodies to alert you to an incoming call. To select your favorite call ringer melody: - From GMRS/FRS standby mode, press the MODE Button 8 times (7 times for FRS). CA will appear on the display, together with a flashing number between 1 and 3, and an appropriate call ring. - Press the Up or Down Button to preview and hear the 3 available call melodies. - Press the PTT button momentarily to confirm selection. Chan
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Auto Key Lock Selection Mode This feature prevents accidental changes to the preferred settings of the unit. The Auto Key Lock function temporarily disables the MODE, Up/ Down and SCAN Buttons. To access the Auto Key Lock selection menu: - From GMRS/FRS standby mode, press and hold the VOX Button for 2 seconds to enable the Auto Key lock function; the unit will beep once and the lock ( ) icon appears on the display. - The Power and PTT Buttons are not effected. - To unlock the Auto Key functi
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To search the FM station : - Press the Up Button (10) briefly to move to the next higher FM station in 200kHz steps. - Press the Down Button (11) briefly to move to the next lower FM station in 200kHz steps. NOTE: Even though the FM radio mode is active, yo u can still transmit and receive the GMRS/FRS signal. To inhibit the GMRS/FRS receive signal mode, press and hold the the M button; the monitor icon will appear on the display. To exit this function press and hold the M button again. Now pr
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NOTES FOR GOOD COMMUNICATION 1 . The GMRS500SLK 22 channels are shared on a ‘take turns’ basis. This means other groups may be talking on any of the channels. A common code of ethics/courtesy is to switch to another vacant channel and not to attempt to talk over someone who is already using the channel you first selected. 2. The GMRS500SLK has been designed to maximize performance and improve transmission range in the field. To avoid interference, it is recommended that you do not use the units
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Turn your transceiver off on board aircraft when requested to do so. • • Do not place your radio in front of a vehicle’s air-bag. If the air-bag de- ploys, it could propel the transceiver like a projectile causing bodily injury. Troubleshooting Problem Possible cause Correction No transmission Weak batteries Charge or replace batteries while pressing Incorrect battery polarity Install the batteries the PTT Button following the directions in paragraph Installing the Batteries. Weak or no Weak bat
