Operation; Vox Feature - Furuno FM-4721 Operator's Manual

2.14.2

Operation

1. When the BH-2A is correctly recognized by the FM-
4721,
and the LED indicator of the BH-2A blinks blue.
2. Adjust the receiver audio level using the VOLUME(+)/
VOLUME(-) switches on the BH-2A.
3. Press the PTT switch on the BH-2A to transmit. Release the PTT switch to return
to receive.
4. The communication range between the BH-2A and FM-4721 is around 7 m (21 ft).
If you move out of range, a beep sounds from the BH-2A to alert you. If you move
back into range, the BH-2A beeps to alert you that you are back within range.
5. When the battery voltage of the BH-2A is low, the following occurs:
a) The LED blinks red and blue alternately.
b) A beep sounds from the BH-2A.
c) The
Charge the BH-2A battery with the CD-40 Charger Cradle.
2.14.3

VOX feature

The VOX (Voice Operation Transmission) feature provides automatic transmit/receive
switching based on voice input to the microphone. With the VOX feature enabled, you
do not need to press the PTT switch in order to transmit, and it is not necessary to use
a VOX headset in order to utilize VOX operation.
1. Press and hold down the CALL/MENU key until the [Setup Menu] appears.
2. Rotate the CH knob to select [General Setup] then
press the [SELECT] soft key.
3. Rotate the CH knob to select [Bluetooth] then press
the [SELECT] soft key.
4. Rotate the CH knob to select [VOX FUNCTION] then
press the [SELECT] soft key. Rotate the CH knob to
select the desired VOX function then press the [ENT]
soft key.
[Off]: Disable the VOX feature.
[High]: Activate the VOX feature (VOX gain: High).
[Low]: Activate the VOX feature (VOX gain: Low).
5. Press the [QUIT] soft key several times to exit this menu and return to radio mode.
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icon appears on the display of the FM-4721
icon on the FM-4721 blinks rapidly.
2. OPERATION
2-15