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User Manual
Rev. 1.0 - 27/10/06
TEX500-LCD & TEX1000LIGHT
Use the keys and in the
SET
menu to set exciter output power; the setting bar
at the side of
SET
provides a graphic indication of power setting; please consider
that the forward power readout provided on the display (
FWD: xxxx W
) reflects
actual output power reading,
which may be lower than regulated power supply
when Automatic Gain Control is running in power supply limitation mode
(please read section 5.3 about RF power supply modulation for more details).
Note :
Output power may be set using the
Pwr OFF
control. In this condition, the
output power readout (
Fwd
) on the display will read 0 (zero); the
SET
bar will reflect
any adjustments you make using the keys and provides a graphic indication of how
much power supply will be delivered the moment you return to
Pwr On
state.
5.2.5 Changing the
Power Good
alarm threshold
Change Forward Power Good alarm setting
PgD
from the
Fnc
menu as desired
(factory setting is 50%).
Please read section 5.4.1 for more details.
5.2.6 Setting equipment I
2
C address
Change the
IIC
address in the
MIX
(Miscellaneous) menu as desired (factory
setting is 01).
Please read section 5.4.1 for more details.
5.2.7 Adjustments and calibration
The only manual adjustments are the level adjustments and the audio mode
adjustment.
The rear panel holds the trimmers for all exciter inputs. Trimmer identification is
printed on the rear panel. Input sensitivity can be set within the limits set out in
the tables below through the trimmers:
Input sensitivity in Mono mode:
Input
Figure 6.2 Trimmer
Sensitivity
Note
SCA1
[11]
[15]
- 8 ÷ +13 dBm
SCA2
[10]
[13]
- 8 ÷ +13 dBm
Input level for 7,5 kHz deviation (-20 dB)
MPX
[12]
[14]
-13 ÷ +13 dBm
Mono
[34]
[33]
-13 ÷ +13 dBm
Input level for 75 kHz deviation (0 dB)
