Operating instructions

Operation DMH Series VHF Radio
Page 3-12 BK RADIO
HOM Home Channel
Press the [HOM] button to go to the pre-programmed Home Channel.
To set a different Home Channel, select the desired channel using the
Channel Selector knob, press the [HOM] button, and hold it for more than 1
second until the arrow above the HOM button appears on the display. The
new channel then becomes the Home Channel.
SPK Remote Speaker
Press the [SPK] button to toggle between the built-in radio speaker and a
remotely mounted speaker.
NXT Next Scan Channel
Press the [NXT] button to select the next consecutive channel in the Scan
List (not during scan operation).
LPW Low Power Select
Press the [LPW] button to toggle between high power and low power
transmitter operation. Transmitter power settings can be programmed from
15 to 50 watts. If per-channel power is enabled, channels locked to low
power will always transmit in low power mode regardless of the state of the
LPW button.
GSC Group Scan
Press the [GSC] button to enable or disable Group Scan operation. During
Group Scan operation, the following features are disabled: Priority Scan,
User Channel Guard, and Nuisance Channel Delete.
Turn Group Scan off, then press the [GSC] button for 1 second or more to
toggle the current group on or off the Group Scan List.
PA Public Address
Press the [PA] button to turn the Public Address system on or off. When PA
is on, pressing the microphone PTT switch causes audio to be routed to the
audio amplifier without enabling the transmitter.
ACC Accessory
Press the [ACC] button to turn the installed accessory on or off. Up to three
ACC buttons may be installed for different accessories.
3.11 SCAN OPERATION
3.11.1 RECEIVE
Scan operates only while the radio is not transmitting. The radio checks for
signals on channels in the preset scan list, as well as the channel selected by
the Channel Selector knob.