User Manual

Installation and Programming GMH Series VHF Radio

Page 2-8

BK RADIO

2.2.4 Channel 0 Group Two Functions

After Group One functions are set, the display will

show PRG 2-12345 for Group Two functions. As

with Group One functions, the enabled function

number will flash. The disabled functions remain

steady.

2.2.4.1 User Code Guard Selection

When function 1 is enabled (flashing) the user will

be able to press the keyboard to independently

select the CodeGuard values that are programmed

into Channels 1 thru 9 while operating on any

Channel 1 thru 14. When disabled the user will be

unable to use the keyboard for Code Guard

selection. See "User Selected Code Guard" on page

3-7.

2.2.4.2 Busy Channel Operation

Functions two and three are used to set Busy

Channel operation. There are three types of busy

channel operation available. They are described

more fully under "Busy Channel" on page 3-9. Busy

Channel modes include:

Busy Channel Indicator - The yellow LED illuminates

when a signal is received on the channel selected,

with or without the programmed receive Code Guard

setting. Busy Channel Lockout - The yellow LED

illuminates and the transmitter PTT is disabled when

a signal is received without the programmed receive

Code Guard setting.

Busy Channel Override - This function is similar to

Busy Channel Lockout except the transmitter PTT

can be activated by rotating the Squelch knob

clockwise off the Code Guard detent.

To set Busy Channel operation use the following chart:

FUNCTION 2 FUNCTION 3

BUSY CHANNEL

INDICATION

BUSY CHANNEL LOCKOUT

BUSY CHANNEL OVERRIDE

DISABLE (STEADY)

ENABLE (FLASHING)

DISABLE (STEADY)