Yaesu FT-8900R Operating Manual

Also see for FT-8900R: Brochure & specs Operating manual Technical supplement

Contents

COMMON TASKSYaesu FT-8900R Operating Manual Expanded Edition (courtesy of W5JCK) Page 21 of 77To activate the Audio Mute feature:1. Press the SET key momentarily to enter the Set mode.2. Rotate the DIAL knob to select Menu #24 MUTE.3. Press the DIAL knob momentarily, then rotate the DIAL knob to choose thedesired selection.TX: Reduces the audio level of the Receive Only band whenever you transmiton the Main bandRX: Reduces the audio level of the Receive Only band whenever you receive asignal on the Main bandTX/RX: Reduces the audio level of the Receive Only band whenever youreceive a signal on the Main band or you transmit on the Main bandOFF: Disables the Audio Mute feature4. Press and hold in the DIAL knob for ½ second to save the new setting and exit tonormal operation.0.Set the RF Squelch LevelA 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.When setting up the RF Squelch circuit for operation, note that you may set the RF Squelchindependently for the left and right sides, using the following procedure:1. Press the SET key momentarily to enter the Set mode.2. Rotate the DIAL knob to select Menu #32 RF SQL.3. Press the DIAL knob momentarily, then rotate the DIAL knob to select thedesired signal strength level for the squelch threshold (OFF, S-2, S-5, S-9, or S-FULL).4. Press and hold in the DIAL knob for ½ second to save the new setting and exit tonormal operation.5. Finally, rotate the SQL knob fully clockwise. 0.Activate the Time-Out TimerThe Time-Out Timer (TOT) feature is designed to force the transceiver into the Receive modeafter a preset time period of continuous transmission (the default is 6 minutes). This featureprevents your transceiver from transmitting a dead carrier for a long period of time in theevent that the microphone PTT switch is accidentally locked in the TX position.