User Manual

Table Of Contents
Maintenance RF-Orchestra!™ Transmitter Installation and Operation
6-58 6880493G02-C July 2000
Internal Wattmeter Calibration
This procedure will align the RF-O! transmitter internal power meter to a reference power
meter. The Reference meter must be at least 3% accurate and traceable to the National Bureau
of Standards. Any error in the Reference will be passed to the RF-O! transmitter power meter.
1. Ensure the Tx output is connected to the 500 watt 50 ohm load, and the network is
disconnected at the BCM.
2. For a single PA system, disconnect the PA output cable (at the PA) and connect the
characterized coupler to the output of the PA. Connect the RF cable to the coupler output
port. For multiple PA systems, connect the characterized coupler to the output of the
combiner.
3. Connect the reference power meter to FORWARD tap on the characterized coupler. Set
the offset of the power meter with attenuation written on the characterized coupler.
4. Initialize the internal cal factor on the OCM with the RFO FIPS command: a 72 2 0 0 0 0
5. Reset the OCM with the RFO FIPS command: a 117
RFO FIPS: a 72 2 0 0 0 0
RFO FIPS: RA 72
<<< WRITE EXCITER EEPROM >>>
Exciter EEPROM Cell 0x02 = 0x00 0x00 0x00 0x00
RFO FIPS:
RFO FIPS: a 117
>>>>>>> MOTOROLA RF-ORCHESTRA! <<<<<<<
>>>>>>> WIRELESS MESSAGING SYSTEM (WMS) <<<<<<<
>>>>>>> (c) Copyright 1998 Motorola, Inc. <<<<<<<
>>>>>>> All Rights Reserved. <<<<<<<
>>>>>>> PARAMETER DATABASE UNCHANGED <<<<<<<
ENTER PROTOCOL
fips
ENTER PASSWORD