Yaesu FT-7800R Operating Manual

Also see for FT-7800R: Brochure & specs Technical supplement

24 FT-7800R OPERATING MANUALDISPLAY B RIGHTNESSThe FT-7800R 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 (DIMMER).3. Press the [BAND(SET)] key momentarily, then rotatethe DIAL knob to select a comfortable brightness level:DIM 1, DIM 2, DIM 3, or DIM.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 S QUELCHA 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 SQL).3. Press the [BAND(SET)] key momentarily, then rotatethe DIAL knob to select the desired signal strength levelfor the squelch threshold (OFF, S-2, S-3, S-4, S-5, S-6,S-7, S-8, S-9, or S-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 O PERATION