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Test procedure
Note!
To carry out the test and adjustment procedure, the BRU3 has to
be switched off. Please refer to the shutdown procedure described
in this section.
1.
Connect the frequency counter via the RF attenuator to the BRU3 TX
ANT. connection.
2.
Use FBTEST to set the correct transmitter carrier frequency for the site.
3.
Select the power, which corresponds to -6 dB attenuation of the
transmitter.
4.
Start the transmitter.
5.
Read the frequency measured on the frequency counter display. Check the
result against the requirements specified.
Adjustment
Use FBTEST for transmitter adjustment.
FE Computer Board (FCB)
•
Check that the Watchdog alarm LED is not lit.
•
Check that the CPU status indicator is lit (yellow light).
FE Power Supply Unit (FPU)
•
Check that the sum alarm LED is not lit.
•
Check that the AC and DC status indicator LEDs are lit (yellow light).
•
Check the power cable and connector for damage. Replace if necessary.
BRU3 MANUAL
BRU3 MANUAL, Doc.no: 1543-ANNA 805 08 Uen Rev H, 2003-06-10
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