Icom IC-A4 Instruction Manual page 23

D OPC-752 (
HEADSET ADAPTER)
When using an optional headset, such as those from the
David Clark Co. via the adapter
transmitted voice to the headset for monitoring. (pgs. 6, 11)
IC-A4
connection
the transceiver outputs your
,
OPC-752
Clip the cable to the
handstrap loop on
the beltclip for sup-
port.
PTT switch
Use a PTT switch
with a 3.5 mm diame-
ter plug, if required.
PTT
HEADSET
(Must be purchased
separately.)
11
OPTIONS
19