YEONHWA M TECH XR-150, Manual

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4.4 Accessory connector
Accessory connector is used to connect external speaker Mic, and headset, etc.
Please close the cover when nothing is connected.
Figure 4-4) Accessory connector
4.5 Operating XR-150/XR-450 RADIO
4.5.1 ON/OFF/Volume Control
Turns the radio on and off and adjusts audio volume level.
4.5.2 PTT Button(Push-To-Talk Button)
You can transmit by pressing PTT button. DTMF or 5-Tone ID is transmitted according to Transceiver setting.
At this moment, you can’t transmit your voice. And then Red LED will be ON and your voice will be
transmitted.
☞
Note) In case of setting BCLO and TOT function, the transmission will be restricted for other users when
you transmit continuously.
4.5.3 Menu Button(P, Program Menu Button)
Enter into Menu mode by pressing the Menu button (P) for 2 seconds.
The sequence of menu mode is as follows.
→ → → →
Compander → Change Group → ID → Scramble → Squelch
→ → → →
→ KEY Sound → VOX → Lone Worker → Repeater
4.5.4 Monitor Button(M)
The monitor mode is enabled and disabled by pressing the Monitor button (M) on the side.
Normal Mode : During pressing the (M) button for about 2 seconds, it is possible to check the receiving
status.
Continuous Mode : During pressing the (M) button for more than 2 seconds, the Radio will make a “Beep”
tone, which means the monitor function is maintained and if you press the (M) button again, the monitor
function will be released.