4111 OPTIONS41■ VOX functionThe transceiver has a VOX function, which allows hands-freeoperation.An optional HS-94, HS-95 or HS-97 headset and the OPC-2004 plug adapter cable are also required.• The VOX (voice operated transmission) function starts transmis-sion when you speak into the microphone, without needing topush [PTT]; then, automatically returns to reception when you stopspeaking.D Optional unit connectionqHold down [ ] for 1 second to turn OFF the power.wRemove the jack cover. (p. 2)eConnect the optional HS-94, HS-95 or HS-97 and OPC-2004, as illustrated below.D Turning the VOX function ON or OFFq Connect an optional headset and plug adapter cable tothe transceiver, and then turn ON the power.w Push [FUNC](M), and then [VOX](2) to turn the VOX func-tion ON or OFF.• “VOX” appears when the VOX function is ON.NOTE:• When using the VOX function, adjust the microphone gainand the VOX-related settings (pp. 32, 33) to suit your oper-ating environment (including your headset performance).• Set the microphone gain before setting the VOX gain inthe Set mode (p. 33). We recommend setting the micro-phone gain to 3.HS-94 etc.OPC-2004(Plug adaptor cable) (Headset)qwe[ ]Appears