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Page 3 - CAUTION; SAFETY INFORMATION; Do not use your transceiver with a; Unauthorized antennas, modifications, or
128-7108 3 of 28 CAUTION SAFETY INFORMATION Your wireless hand-held portable transceiver contains a low powertransmitter. When the PTT button is pushed (or the VOX mode is enabled)it sends out radio frequency (RF) signals. The device is authorized to operatea t a d u t y f a c t o r n o t t o e x c ...
Page 4 - Make sure wrist strap is securely fastened to wrist strap ring; FCC WARNING
128-7108 4 of 28 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. Us...
Page 6 - Model GMRS500SLK DISPLAY
128- 7108 6 of 28 6 Model GMRS500SLK DISPLAY 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. Mo...
Page 7 - Equipment and Accessories Supplied; Powering the transceiver:
128-7108 7 of 28 7 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 indic...
Page 8 - Battery charging; Do not attempt to charge the battery using other charger.
128-7108 8 of 28 8 Battery charging WARNING: Do not attempt to charge the battery using other charger. 1. Audiovox Rechargeable Li-ion Batteries - (Rechargeable Li-ion batteries and Charging Adapter included). Use only Audiovoxapproved rechargeable batteries and charging equipment whencharging batte...
Page 9 - Press and hold the power on/off button (; bars on the right lower side of the LCD.; GMRS500SLK OPERATIONAL MODES
128-7108 9 of 28 Controls: LED Flashlight Button (16) When the unit is on, press this button on the right side of the Transceiver to light the white flashlight LED (15) on top of the unit. Power On-Off/SCAN (13) Button Press and hold the power on/off button ( ) for at least 2 seconds. You will hear ...
Page 10 - Do not transmit if you hear conversation.; ) icon will appear in the upper right
128-7108 10 of 28 10 Monitor/Display Backlight Button (2) This button is used to check activity on the current frequency beforetransmitting. Check activity by pressing the Monitor (M) Button longerthan 2 seconds; the icon will apppear on the display and you will hear static if frequency is clear. Do...
Page 11 - Operating Modes and Features
128-7108 11 of 28 11 Mode Button (12) This button is used to select the various feature settings in the GMRS/FRSor FM radio band modes. Holding the MODE button longer than 2 secondswill toggle between the GMRS/FRS and FM band modes. External Microphone (MIC)/Speaker (SPK)/(CHG) Jack (6) This jack ac...
Page 12 - Channel Selection; LO
128-7108 12 of 28 12 - 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 frequenc...
Page 13 - Transmit Power Selection Mode
128-7108 13 of 28 13 party on the same main channel using the same subcode. (This filters outunwanted transmissions without the same coded squelch tone). Thereare 38 CTCSS Sub-channels for each main channel. A different subcodemay be selected for each of the 22 channels.To change the CTCSS Sub-chann...
Page 14 - VOX Sensitivity Level Selection; Vo; Dual Watch Mode; oF
128-7108 14 of 28 14 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 repres...
Page 15 - Key Tone; Roger Beep Tone; on
128-7108 15 of 28 15 - Press the PTT button momentarily to confirm selection of the dual watch channel. The display will now alternate between the primarychannel and the dual watch channel just selected.NOTE: Pressing the PTT button during dual watch mode will trans-mit on the primary channel and su...
Page 17 - Auto Key Lock Selection Mode; - From GMRS/FRS standby mode, press and hold the VOX Button for; VOX Enable Operation; the
128-7108 17 of 28 17 Auto Key Lock Selection Mode This feature prevents accidental changes to the preferred settingsof 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...
Page 18 - Battery Alert
128-7108 18 of 28 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, you can still transmit and...
Page 20 - Troubleshooting
128-7108 20 of 28 Troubleshooting 20 Weak or no Weak batteries Charge or replace batteries signal received Channel and privacy Adjust the transceiver’s code not set the same settings to match those as target transceiver settings of the targettransceiver Volume level too low Increase volume level PTT...
Page 21 - General; Power Supply; Receiver
128-7108 21 of 28 21 General Frequency Range: Channels 1-7 (Shared with FRS Radios) Refer to frequency chart on next page Channels 8-14 (FRS only) Refer to frequency chart on next page Channels 15-22 (GMRS only) Refer to frequency chart on next page Channel Spacing 12.5 kHz Privacy Codes 38 for each...
Page 22 - Channels 1 through 7 are shared with FRS radios.; Main Channel Frequencies:
128-7108 22 of 28 22 This transceiver complies with FCC regulations for use in the UnitedStates of America. Use in other countries may be prohibited or restrictedby local regulation. Please check with the local regulating agency be-fore using this device outside the United States of America. NOTE: C...
Page 24 - Continuous Tone Coded Squelch System Tone Frequencies (in Hz)
128-7108 24 of 28 * oF = No Tone Continuous Tone Coded Squelch System Tone Frequencies (in Hz) CTCSS Freq. Hz CTCSS Freq. Hz 1 67.0 2 0 131.8 2 71.9 2 1 136.5 3 74.4 2 2 141.3 4 77.0 2 3 146.2 5 79.7 2 4 151.4 6 82.5 2 5 156.7 7 85.4 2 6 162.2 8 88.5 2 7 167.9 9 91.5 2 8 173.8 1 0 94.8 2 9 179.9 11 ...
Page 25 - 0 DAY LIMITED WARRANTY
128-7108 25 of 28 90 DAY LIMITED WARRANTY AUDIOVOX CORPORATION, 150 MARCUS BLVD., HAUPPAUGE, NEW YORK 11788 1-800-290-6650 128-5385A Applies to Audiovox Family Radio and General Mobile Service Products. AUDIOVOX CORPORATION (the Company) warrants to the original retail purchaser of thisproduct that ...
