Operation Manual

E N G L I S H

ROGER BEEP

When your transceiver is in normal operation, your radio automatically trasmits the audio

signal at the end of your transmission. The listener can note easily that your transmission

is over through the signal. Please note that this ROGER BEEP transmits 0.15-second at

the moment PRESS-TO-TALK SWITCH KNOB is turned off.

Fig.1.

ALTERNATE MICROPHONES AND INSTALLATION

For best results, the user should select a low-impedance dynamic type microphone or a

transistorized microphone. Transistorized type microphones have a low output impedance

characteristic. The microphones must be provided with a four-lead cable. The audio

conductor and its shielded lead comprise two of the leads. The fourth lead is for receiving

control, and third is for transmitting control. The microphone should provide the functions

shown in the chart below.

4 WIRE MIC CABLE

Pin Number Mic Cable Lead

1 Audio Shield

2 Audio Lead

3 Transmit Control

4 Receive Control

Fig. 2. Your transceiver microphone diagram

VOCE

P.T.T. RILASCIATO

BEEP

O.15 Sec

P.T.T. ATTIVO

MIC

1 2

4 3

VOICE

PRESS TO TALK ON PRESS TO TALK OFF