Icom IC-F70DT Instruction Manual page 33

D About VS-1SC
vox ptt case
/
The VS-1SC is a VOX/PTT unit for Icom handheld transceiv-
ers, and allows you hands-free operation.
An optional headset (HS-94, etc.) is required for operation.
• The VOX (Voice Operated Transmission) function starts transmission
without pushing PTT switch when you speak into the microphone;
then, automatically returns to receive when you stop speaking.
Features
➥ 9-pin Spring-plug type head SP/MIC plug is equipped
➥ Water resistant construction
➥ Durable construction
➥ Equipped with a PTT switch and revolving clip
MIC/VOX gain
adjusting pot
Water protection cover
VOX/PTT select switch
VS-1SC
PTT switch
VOX gain and delay adjustment
q Attach the connector of the VS-1SC into the [SP/MIC] con-
nector on the transceiver and tighten the screw.
• Toggle the toggle switch to [VOX].
w Enter user set mode. (p. 17)
e Push [P0] several times to select the "VOX Gain" or "VOX
Delay" items. Then, push [Up] or [Down] to set the desired
level/condition.
r Rotate [VOL] to turn the power OFF to exit set mode.
• VOX Gain
The VOX sensitivity level can be adjusted from OFF or 1 to 6
(more sensitive).
[Up]
Push
[Down]
SET X TXC
VOX function is OFF
8
OPTIONS
SET X TXC
VOX gain level 3
(default)
1
2
3
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