MIDLAND GXT255 - Manual (Page 15)

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Roger Beep Tone : Whenever you release the PTT button, a “Roger Beep” tone
may be transmitted to let your friends know you are finished talking. To enable the
Roger Beep, press the button repeatedly until the “rb” appears on the display.
Press the and to set the Roger Beep tone on or off. An “on” or “oF” will
appear on the display during setting.
External Speaker/Microphone Jack
Your GXT255 can be used with an optional external speaker/microphone or headset,
freeing your hands for other tasks. To use an optional speaker / microphone or
headset:
• Insert the plug(s) into the SPK/MIC
jacks
• Place the earbud into your ear, and
adjust the mic into your desired
position.