Yaesu FT-7900R Operating Manual

Also see for FT-7900R: Technical supplement

24 FT-7900R OPERATING MANUALDISPLAY BRIGHTNESSThe FT-7900R display illumination has been specially engineered to provide high visibilitywith minimal disruption of your “night vision” while you are driving. The brightness of thedisplay is manually adjustable, using the following procedure:1. Press and hold in the [BAND(SET)] key for 1/2 second to enter the Set mode.2. Rotate the DIAL knob to select Menu #11 (DIMMERDIMMERDIMMERDIMMERDIMMER).3. Press the [BAND(SET)] key momentarily, then rotatethe DIAL knob to select a comfortable brightness level:DIM 1DIM 1DIM 1DIM 1DIM 1, DIM 2DIM 2DIM 2DIM 2DIM 2, DIM 3DIM 3DIM 3DIM 3DIM 3, or DIM.OFFDIM.OFFDIM.OFFDIM.OFFDIM.OFF (no illumination).4. Press the [BAND(SET)] key momentarily to save thenew setting, then press and hold in the [BAND(SET)]key for 1/2 second to exit to normal operation.RF SQUELCHA special “RF Squelch” feature is provided on this radio. This feature allows you to set thesquelch so that only signals exceeding a certain S-meter level will open the squelch.To set up the RF Squelch circuit for operation, use the following procedure:1. Press and hold in the [BAND(SET)] key for 1/2 second to enter the Set mode.2. Rotate the DIAL knob to select Menu #32 (RF SQLRF SQLRF SQLRF SQLRF SQL).3. Press the [BAND(SET)] key momentarily, then rotatethe DIAL knob to select the desired signal strength levelfor the squelch threshold (OFFOFFOFFOFFOFF, S-2S-2S-2S-2S-2, S-3S-3S-3S-3S-3, S-4S-4S-4S-4S-4, S-5S-5S-5S-5S-5, S-6S-6S-6S-6S-6,S-7S-7S-7S-7S-7, S-8S-8S-8S-8S-8, S-9, S-9, S-9, S-9, S-9, or S-FULLS-FULLS-FULLS-FULLS-FULL).4. Press the [BAND(SET)] key momentarily to save thenew setting, then press and hold in the [BAND(SET)] key for 1/2 second to exit tonormal operation.5. Finally, rotate the SQL knob fully clockwise.ADVANCED OPERATION