TB9100/P25 CG Installation and Operation Manual
Operation
63
© Tait Electronics Limited January 2007
Carrier Button and
Transmit LED
The carrier button is a momentary press switch. When held down, it keys
the transmitter of the selected channel. The transmitted signal is
unmodulated, i.e. carrier only.
The red transmit LED is lit while the transmitter is transmitting.
Alarm LED
The red alarm LED will flash at a rate of 2 to 5Hz when an alarm has been
generated by any of the TB9100 modules. It will continue to flash until the
alarm is canceled, the fault is fixed, or the base station is in Standby mode.
Note that only those alarms which are enabled using the
CSS
will cause this
LED to flash.
The alarm LED also indicates when the base station is in Standby mode, as
described in the following table:
Microphone Button
and LED
The microphone button selects the speech mode for the microphone
transmission. The associated microphone LED indicates the type of speech
mode. Refer to
“Microphone Operation” on page 64
for more
information.
Speaker Operation
The speaker can monitor the switch output or the RF signal received by the
base station. Listening to the switch output lets you have a conversation with
the dispatcher or with SU users at other base stations in the channel group.
The speaker output is controlled using the speaker button.
To set the speaker output:
1.
Use the CH button to
select the channel you want
to listen to.
2.
Press the speaker button
once to turn the speaker on
and play the switch output
(the signal with the highest
priority).
The green speaker LED flashes. The speaker produces audible speech
from digital P25 or analog FM signals.
LED
Description
On (steady)
Base station is in Standby mode (regardless of the presence of any
fault)
Flash
Base station is in Run mode, and one or more faults are present
Off
Base station is in Run mode, and no faults are present
speaker on,
switch output
power on
speaker off
speaker on,
receiver signal
press
press
press
Содержание P25 CG
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Страница 146: ...146 TaitNet P25 Glossary TB9100 P25 CG Installation and Operation Manual Tait Electronics Limited January 2007 ...