User's Manual

PERIPHERALS

ENTRIES FOR A PERIPHERAL

ENVOY™ TRANSCEIVER REFERENCE MANUAL 187

RFU AGC

The RFU AGC entry sets the rate of action of AGC for the input signal to the RFU.

To optimise AGC for:

• voice and linear data signals, select Hold

• voice signals, select Slow

• special modes and morse code in a noisy environment, select Fast

Default value: Hold

RFU PTT Beep

The RFU PTT Beep entry sets whether or not astrotones are transmitted when PTT

is released on the 15-way port. This saves you having to say ‘over’ each time you

release PTT.

Default value: Disabled

RFU Rx Out Audio Level

The RFU Rx Out Audio Level entry sets the audio level of Rx output for the

peripheral device attached to the 15-way connector.

Range: –31.0 to 0.5 dBm

Default value: –13 dBm (1 V p–p, no load)

RFU Mute Extend

The RFU Mute Extend entry sets the period of time that the mute is held open when

voice is detected. The time is extended by this amount each time voice is detected on

the channel, up to the maximum hold period set in the Scan Voice Max Pause

entry.

Range: 1.0 to 10.0 sec

Default value: 3.8 sec