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Output Requests There are three commands to request output from the ML4803A: OPW for a
reading, ODT for the cal factor, offset and reference values, and OMR for mem
-
ory store settings. If these output requests are received simultaneously, only the
data for the command received last will be available.
Unsupported
Commands
The following ML4803A commands are not supported in the ML2430A Series
Power Meter GPIB interface:
PCT
VSW
RDB
DBV50
DBV75
VLT50
VLT75
These commands are read in without errors, but are ignored by the system.
AVE Sensor averaging setting.
Syntax:
AVE<number>
number:
0 = Averaging OFF
9 = HOLD. Holds the present averaged reading.
1 = Average for 1 second (ML2430A Repeat average number of 25).
2 = Average for 2 seconds (ML2430A Repeat average number of 70).
3 = Average for 5 seconds (ML2430A Repeat average number of 128).
4 = Average for 10 seconds (ML2430A Repeat average number of 256).
Remarks:
The ML4803A averages for a period of time. The ML2430A sets the aver
-
aging to repeat averaging for a number of readings.
CAL Set the user cal factor value.
Syntax:
CAL<value>
value:
Cal factor value in dB
ML2430A OM 6-85
GPIB OPERATION ML4803A EMULATION COMMANDS
Zero execution
Cal execution
Output data ready
Command error
R
Q
S bit
76543210