Operating instructions

Operation DMH Series VHF Radio
Page 3-10 BK RADIO
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.
3.10.1 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.
3. The keypad will be automatically unlocked when Unit-To-Unit Mode is entered by
pressing PTT to respond to a Unit-To-Unit call, when Unit-To-Unit callback is
enabled. The keypad will be re-locked when Unit-To-Unit Mode is exited.
3.10.2 PUSH BUTTON CONTROLS
MON Monitor Squelch Noise
Press the [MON] button to start or stop monitoring squelch noise. This allows
you to set a comfortable volume level.
SCN Channel Scan
Press the [SCN] button to start or stop scanning channels in the scan list.
The flashing SCN annunciator will appear on the display. Scan operation
occurs only while the radio is not transmitting. If changes to the scan list are
allowed, to add or delete the current channel from the Scan List, turn Scan
and Priority Scan off, then press the [SCN] button and hold it down for 1
second or more.