39
12
OPTIONAL HEADSET CONNECTION
D
OPC-499
(
HEADSET ADAPTER)
connection
When using a headset (3rd party product) with the OPC-499
HEADSET ADAPTER
,
the transceiver outputs your transmitted voice
to the headset for monitoring. See “
■
Side tone function” (p. 11) when setting the side tone level.
PTT
OPC-499
Transceiver
PTT switch
HEADSET
(Purchase separately)
Use a PTT switch with a 3.5 mm
(
1
⁄
8
inch) diameter plug, if
required.
NOTICE!
Some headsets do not work properly when used with the
IC-A14/S. Therefore, ask your dealer for details about
headsets compatible with the IC-A14/S.