User's Manual

Operation DMH Series VHF Radio
Page 3-8 BK RADIO
Talkback Scan, the RTX channel and receive annunciators will be displayed for the
duration of the timer.
The talkback timer can be cleared by making the held channel invalid. For instance,
if a scan channel is being held, turn scan off.
3.8 PROGRAMMABLE PUSH BUTTONS/MICROPHONE FCN KEY
FUNCTION MENU
When the radio is installed, labels are placed on the front push buttons to indicate
their functions. An arrow on the display points to each front mounted push button that
is active. The five push buttons can be programmed with the following functions:
Standard Functions Optional Functions
MON
Monitor Squelch Noise
TA
Repeater Talk Around
GSC
Group Scan
SCN
Channel Scan
CG
Channel Guard Disable
PA
Public Address
PRI
Priority Scan
HOM
Home Channel
ACC
Accessory 1
GRP
Group Select
SPK
Remote Speaker
ACC
Accessory 2
SQL
Squelch Adjust
NXT
Next Scan Channel
ACC
Accessory 3
TXD
Transmit Digital Mode
LPW
Low Power Select
If a keypad microphone is used with the DMH radio, many of the functions above
may also be enabled/disabled with the keypad [FCN] key. Not all microphones
support these functions. Contact your dealer to determine which features are
available with your microphone and have been enabled in the radio.
• Press the [FCN] key to display the function menu.
• Press [PRI] to toggle the function on/off when the desired menu item is
displayed.
• Repeatedly press [FCN] to step through the menu.
• When the display flashes, the function is enabled.
• Press [ENT] to exit the [FCN] menu.
3.9.1 MICROPHONE KEYPAD LOCK
To lock/unlock the microphone’s keypad, press and hold the [FCN] key. When
locked, “LOCKED” will be displayed if a key is pressed and a low beep will sound.
LOCKOUT EXCEPTIONS:
1. If enabled, a long [PRI] key press will activate Emergency Mode even when the
microphone’s keypad is locked.
2. PTT unlocks the keypad during transmit for DTMF key presses.