AUDIOTEL INTERNATIONAL
Ltd – Issue 3.1 (09/2004 )
Controls & Indicators
5
2
ND
Selects the second-harmonic receiver as the signal source
for the audio output and signal strength indicated on the
antenna head display.
6
3
RD
Selects the third-harmonic receiver as the signal source
for the audio output and signal strength indicated on the
antenna head display.
7
LCD D
ISPLAY
See under Front Panel Display section Later in this manual.
8
S
QUELCH
C
ONTROL
This sets a signal strength threshold. If the signal strength is
below the threshold the audio output is cut off.
The squelch control operates in ‘COMPARE’, ‘2nd’ and ‘3rd’
modes.
9
P
OWER
OUTPUT
C
ONTROL
Note
Within Europe where Type Approval is a legal requirement, it
is the users responsibility to comply with the legal maximum
power for the country where the equipment is being
operated (for the UK this is the higher EU limit (500mW erp),
operated (for the UK this is the higher EU limit (500mW erp),
operated (for the UK this is the higher EU limit (500mW erp),
which is set during start up in the ‘Set TX power’ menu by
selecting EU High).
Adjusts the output power of the SuperBroom transmitter. (see
appendix B for SuperBroom TX output power levels).
Depending on the Power Mode selected (see under
mode - 2
LISTEN/MODE
earlier) the control is used as follows.
In manual mode the control is used by the operator to set
the output power at all times, from the maximum set during
startup down to L.
14
SuperBroom Plus TA – Operating Manual
AUDIOTEL INT
AUDIOTEL INT
SUPE TA
SUPE TA
ADVANCED NLJD
ADVANCED NLJD
SW400725v*.*
SW400725v*.*
Calibrating RSSI
Calibrating RSSI
Tx Synthesiser
Tx Synthesiser
SET TX POWER
SET TX POWER
CLICK = EU Low
CLICK = EU Low
LISTEN = EU High
LISTEN = EU High
DETECT = Non EU
DETECT = Non EU
Manufacturers Name and Product type
Software release number
Automatic calibration of both RX1 & RX2 receivers
signal strength indicators RSSI outputs and measures RF
back ground.
This step tunes the transmitter. The frequency set will
depend on the RF back ground
To set the maximum power for the transmitter. Choose
EU Low or EU High for EU operation. Choosing Non EU
allows the user to set Tx power using the power output
control (9), refer to appendix B as a guide.
F
RONT
P
ANEL
LCD D
ISPLAY
S
TART
UP
D
ISPLAY
The LCD will show the following sequence of events as
SuperBroom carries out automatic programming and
calibration of the two receivers and transmitter within the
unit. Error messages will be shown if SuperBroom detects a
problem with internal circuitry.
11