COMMON TASKSYaesu FT-8900R Operating Manual Expanded Edition (courtesy of W5JCK) Page 20 of 77Set the Display BrightnessThe FT−8900R 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 following procedure:1. Press the SET key momentarily to enter the Set mode.2. Rotate the DIAL knob to select Menu #9 DIMMER.3. Press the DIAL knob momentarily, then rotate the DIAL knob to select acomfortable brightness level: DIM 1, DIM 2, DIM 3, or DIM.OFF (no illumination).4. Press and hold in the DIAL knob for ½ second to save the new setting and exit tonormal operation.0.Activate the Band Linking FeatureFor operation on Amateur satellites which use a normal (not inverted) FM transponder, theBand Link feature may be useful. (1) Both sides of the FT−8900R have to be in VFO mode.(2) Band Linking does not work with AMSAT AO-51 (or similar) satellites.1. Set both sides of the radio to the VFO mode by pressing the keys, if necessary.2. Press the SET key momentarily to enter the Set mode.3. Rotate the DIAL knob to select Menu #42 VFO.TR.4. Press the DIAL knob momentarily, then rotate the DIAL knob to change thesetting to ON.5. Press and hold in the DIAL knob for ½ second to save the new setting and exit tonormal operation.0.As you rotate the DIAL knob, you will observe that the frequencies for both bands arechanging together. When you are done with this operating mode, select OFF in step 3 above.Select the Audio Muting PreferenceThe Audio Mute feature is useful in situation where it would be helpful to reduce the audiolevel of the Receive Only band whenever you receive a signal on the Main band or youtransmit on the Main band during Dual Receive operation.