New2001
80
13
OPTIONS
1
2
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19
The transceiver has a VOX function, which allows hands-free 
operation.
An optional HS-94, HS-95 or HS-97 headset and the 
OPC-2006 plug adapter cable are also required for operation.
•TheVOX(voiceoperatedtransmission)functionstartstransmis-
sion when you speak into the microphone, without needing to 
push [PTT]; then, automatically returns to reception when you stop 
speaking.
D Optional unit connection
q Push and hold [ ] for 1 sec. to turn the power OFF.
w  Remove the jack cover.
e  Connect the optional HS-94, HS-95 or HS-97 and OPC-
2006, as illustrated below. 
D  Turning the VOX function ON or OFF
q Connect an optional headset and plug adapter cable to the 
transceiver, and then turn the power ON.
w  Push [SET] to enter the Set mode.
e  Rotate [DIAL] to select the VOX setting item, then rotate 
[VOL] to select “On.”
r Push [V/M/C] to return to the frequency display.
•
“VOX” appears when the VOX function is ON.
  NOTE: 
•When using the VOX function, adjust the microphone gain 
and the VOX-related settings (p. 81) to suit your operating 
environment (including your headset performance).
•SelecttheheadsettypebetweentheHS-95andotherin
the Initial set mode. (p.64)
•Setthemicrophonegainbefore setting the VOX gain in 
the Set mode (p. 58). We recommend setting the micro-
phone gain to 3.
•When the PTT lock is set to “On” in the Set mode, you 
cannot transmit using the VOX function. (p. 62)
■ VOX function