Page 10 - D-100 DMR Digital User Guide
P. 10
Radio Operations
Channel Selection / Turn on the Radio
Press and hold the ORANGE top button. The hidden front panel LED will
lignt up GREEN .
Use the “toggle” button beside the ON/OFF button to select the appropriate
channel for your current need. The D-100 can be programmed with up to
128 channls.
LED light
The LED will show RED during transmit and GREEN during receive.
Additionally, the LED will blink RED continuously when the battery is low.
Alert Tones (Programmable feature)
Alert Tones, and the buttons that turn them on and off, are programmable by
your system administrator who will also inform you which alerts and buttons
are in operation. Used properly, these tones will benefit operations.
Channel Open to TX: When a call you receive finishes, your radio will give
you 2 quick beeps. You are clear to transmit after hearing the tones.
Talk Delay: When you press the PTT, a fast set of tones is heard . . . begin
speaking after the tones. This feature can send your radio’s ID to system.
Emergency Alert: If you send an Emergency Alert, the other radios in the
system will begin Beeping loudly to notify of emergency .
Monitor the Channel and Check the Volume
Your system administrator may program one of the side buttons to allow
listening to the current channel (monitoring) this also allows you to check the
volume setting.
Transmitting
Press the PTT button to transmit. The LED will light RED during transmit.
Talk in a normal voice and do not “crowd” the microphone. A distance of 1 to
3 inches should be maintained between your lips and the microphone.
Check the diagram for the exact location of the microphone.

