Audiovox GMRS600SLK manual Transmit Power Selection Mode, VOX Sensitivity Level Selection

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The CTCSS mode can be turned off by selecting the oF icon as the set- ting.

NOTE: To communicate with other GMRS/FRS units, they must be switched to the same channel and CTCSS subcode. To commu- nicate with other GMRS/FRS units that do not have subcodes, switch your unit to the same channel with the subcode set to oF. The CTCSS subcodes do not prevent others from hearing your transmission. This will only allow you to ignore all traffic on a given channel not using the same subcode.

Transmit Power Selection Mode

This feature permits selection of the transmitting power level to high

or low. When operating on FRS only channels (8-14), no power selection is possible or is displayed. Using low power, the unit will have a lower transmit range, but battery life will be increased.

To access the transmitter power selection function:

-From GMRS/FRS standby mode (shared channels 1-7 or GMRS only channel (15-22) selected), press the MODE Button three times until the power HI or LO indication appears with a flashing Pr indica- tion on the display.

-Press the Up or Down button to toggle between the High and Low selections.

-Press the PTT button momentarily to confirm selection.

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:

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Contents Page 128-7521 Safety Information PerformanceBattery Care Battery DisposalModel GMRS600SLKFCC License Required Model GMRS600SLK Display Equipment and Accessories Supplied Powering the transceiverPage Controls LED Flashlight Enable ButtonPower On-Off/SCAN 8 Button Push To Talk PTT Button Adjusting the Volume 13Monitor/Display Backlight Button Mode Button Up Channel/Volume ButtonDown Channel/Volume Button Gmrs Operation Channel SelectionCtcss Mode Sub-Channel Selection To change the Ctcss Sub-channelTransmit Power Selection Mode VOX Sensitivity Level SelectionDual Watch Mode Key Tone Roger Beep ToneCall Ringer Selection Mode Channel Scan OperationAuto Key Lock Selection Mode VOX Enable OperationFM station Selection Battery AlertFM Band Operation 128-7521 Troubleshooting Problem Possible cause CorrectionTechnical Specifications Power SupplyMain Channel Frequencies Nels Continuous Tone Coded Squelch System Tone Frequencies in Hz This page Left Blank Intentionally DAY Limited Warranty Audiovox Electronics Corp., Hauppauge, NY