User's Manual

4.5.5 Emergency Button

In case of emergency situation, if you press the Emergency button, a siren sound will be heard through the

speaker in the Radio and the Radio will transmit the emergency signal to the party through the emergency

channel.

4.5.6 Channel Buttons(▼,▲)

Channel Buttons(▼,▲) have 3 functions as shown in following.

① Channel buttons(▼,▲) are to change channels.

② Channel buttons(▼,▲) are to select menu at menu mode.

③ Channel buttons(▼,▲) are to change transmission power. By pressing Up button(▲) while PTT

button is being pressed, the user can select ”H”(High Power), or by pressing Down button(▼), the user

can select ”L”(Low Power).

4.5.7 Accessory Connector

The Accessory Connector is used when using an external speaker microphone or doing PC programming or

making the Cloning or using as a Repeater.

4.5.8 RX /TX LED

This LED is a lamp indicating the current status of the Radio and please refer to the below contents.

① TX : Red Lamp

② RX : Green Lamp

③ CTCSS, DCS Error : Green Blinks.

④ Low Battery: Red Blinks With “beep” sound.

5. Charging the Battery

5.1 Safety Notes

1) The radio of XR-150/XR-450 series receives power from high-performance Li-ion battery(XSB-2400).

XSB-2400 Battery is safe of high performance and highly reliable, and could be charged very fast. XSB-2400

Battery has been designed suitably only for the charger of Yeonhwa M Tech(DC-1000/DC-2000).

The charging of the enclosed Radio on the other maker’s charger will cause

damage on the battery and also, will cause a trouble on the Radio.

2) Please charge the battery before using the radio for best performance and safety.

3) When you charge the battery that is installed in the Radio, please turn off the radio first to charge the

battery.