Operating the unit
Turning unit on/off:
1-‐ Switching on
Press and hold the
MENU/PWR
until you hear a beep sound.
2-‐ Switching off
Press and hold the
MENU/PWR
until you hear a beep sound.
Adjusting the Volume:
You have 8 preset volume levels. They are displayed on the LCD screen.
To raise the volume press the up
button and to decrease the volume, press the down button.
Changing Channels:
You have a maximum of 80 channels at your disposal. To communicate with another device, you must both
be on the same channel.
To change channels, once you have turned your unit on, you need to press the
CH
button to scroll through
to your desired channel.
Your
DBH10R
is simplex “one way at a time”. While you are speaking, you cannot receive a transmission.
Your
DBH10R
is an open-‐license band. Always identify yourself when transmitting on the same channel.
IMPORTANT: Before transmitting on a UHF channel listen to ensure it is not already in use.
Transmitting (sending speech)
The unit is continuously in the Receive mode when the unit is turned ON and not transmitting. When a
signal is received on the current channel, “RX” icon will be displayed on the LCD screen. a. Press and hold
the PTT (Push to Talk) button to transmit your voice. The transmit signal icon “TX” will display on the LCD
screen. b. Hold the unit in a vertical position with the Mic (Microphone) 5 cm away from the mouth. While
holding the PTT button, speak into the microphone in a normal tone of voice. c. Release the PTT button
when you have finished transmitting.
For others to receive your transmission, they must be on the same channel as you.
Call-‐Ring tone
You can use the CALL button to send a tone to other users on the same channel. To activate this feature; a.
With the unit in normal mode, press and release the CALL button. The unit will transmit a 2-‐second page
tone to the other unit/s set with the same channel within transmitting range. NOTE: This function is only
possible every 60 seconds.
Roger Beep
This is a tone which is automatically transmitted whenever the PTT button is released. This alerts the
receiving party that you have ended the transmission, and you are now in receive mode.