Icom IC-A110 Instruction Manual - Page 20

9 OPC-871 HEADSET ADAPTER (OPTION) I OPC-871 Headset adapter When using an optional headset, such as those from the David Clark Co. via the adapter, the transceiver outputs your transmitted voice to the headset for monitoring. (pgs. 5, 10) D Connection PTT switch Use a PTT switch with a 3.5 mm diameter plug, if required. D Installation The optional OPC-871 HEADSET ADAPTER install as follows. q Turns the power OFF, then disconnect the DC power cable. wUnscrew the 4 screws, then remove the bottom cover. (Fig. 1) e Insert the connector as shown below. (Fig. 2) r Mount the phone plug attachment together with the mo- bile mounting bracket with 2 supplied screws. (Fig. 3) HEADSET (Must be purchased separately.) 17 Fig. 1