BUSY CHANNEL
If your radio has been programmed by your dealer for busy channel operation,
it will operate in one of the following three modes
.
BUSY CHANNEL INDICATION
The yellow Busy Channel Indicator glows if there is carrier activity on the
channel selected. If the channel selected is a Code Guard channel and the
correct code is not detected, the Busy Channel Indicator remains on for the
duration of the carrier activity and no messages are heard. During Channel
Scan and Priority Scan operation, the Busy Channel Indicator glows when
activity is detected on any channel that is on the scan list. When scanning Code
Guard channels, with the CG button on, and activity has been detected, the Busy
Channel Indicator glows for the time period necessary to determine if the
proper Code Guard has been received, causing the Busy Channel Indicator to
flash at various rates. In Priority Scan operation, with the CG button on, the Busy
Channel Indicator remains on for the duration of the carrier activity.
BUSY CHANNEL LOCKOUT
The Busy Channel Lockout feature applies only to those channels
programmed for receive Code Guard operation. When carrier activity is
detected on the channel selected, the radio checks the receive Code Guard
value. If the proper Code Guard value is present, the radio can transmit on that
channel, even if the CG button is not on. If the radio detects an incorrect value
or carrier activity only, the transmitter is disabled, an alert tone is heard, and
the display shows the word "Busy" when the PTT is pressed, regardless of
whether the CG button is on or off.
Channels not programmed for receive Code Guard operation transmit
regardless of carrier activity.
BUSYCHANNEL LOCKOUT OVERRIDE
This mode operates in the same manner as Busy Channel Lockout with the
exception that the user can override and transmit by pressing the CG button.
EMH Owner’s Manual
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