Tait TB9100, Installation And Operation Manual

Page: 62 / 144

62 Base Station Operation TB9100 Installation and Operation Manual
© Tait Electronics Limited May 2006
Speaker Button and
LED
The speaker button selects the type of speaker output. The green speaker
LED indicates the type of speaker output. Refer to
“Speaker Operation” on
page 67 .
Speaker Volume
Button
Controls the volume of the speaker mounted behind the control panel.
Rotate clockwise to increase the volume, and anticlockwise to decrease the
volume.
Receive LED
The green receive LED is on when a valid signal is received on the base
station that has won the ‘vote’ (see “Signal Voting and Switching” on
page 22).
The receive LED also indicates when the base station has received a valid
signal that has lost the ‘vote’, as described in the following table:
Speaker
The control panel is fitted with a 0.5W speaker. Audio from the base station
can be connected to this speaker.
Power LED
The green power LED is lit when the PMU is turned on and supplying
power to the TB9100 base station.
Carrier Button and
Transmit LED
The carrier button is a momentary press switch. When held down, it keys
the transmitter while disabling the 600
Ω
balanced and unbalanced line, and
microphone audio. 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 5 Hz 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:
LED
behaviour
Description
On (steady) Base station is receiving a valid signal that has won the vote
Flash Base station is receiving a valid signal that has lost the vote
Off Base station is deactivated, or is not receiving any signals