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Crystal DBH50R - Basic Transceiver Operations; Channel Input via Keypad

Crystal DBH50R
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key to scan FM Channels. If a certain channel is detected, the
frequency will be displayed on the LCD and you can listen to it.
Alarm
Under standby state, press and hold the Alarm key till hearing a a tone to start Alarm function.
Reset the radio to switch off the function.
Note: This function should be enabled via software before use.
LED light
Under standby state, press Alarm key to switch on the LED light. Press it again to switch off.
Receiving
Once current channel is called, LCD will display the signal strength, and then you can hear if the
other
party is calling.
BASIC OPERATIONS
Channel input by keypad
Under channel mode and FM Channel mode, type number of 3 digits (001-128) to switch to the
desired channel. If the input channel is not edited, transceiver would emit error prompt and back to
current channel. For example, if you type 001, then it gets channel No.1.
FM scan function
When FM Radio is on, press