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Model 8902A
Operation
Clear
The Measuring Receiver responds to the Clear message (DCL and SDC) the same way it responds
to Instrument Preset (IP). The Clear message clears any pending Service Request message and clears
the
SRQ
Mask (22.0SP). The settings the instrument will assume after receiving the Clear message
are listed below in Table 3-8. Refer to "Instrument Preset" in Dctaikd Operating Instrirctions o n page
3-239 for more information on the Instrument Preset default conditions.
The Clear message also clears any incomplete message or entries. For example, "M5100" (RF
Frequency Measurement, 100, n o terminator) would be cleared because no units terminator has
been entered.
Parameter
High-Pass Filters
Low-Pass Filters
FM De-emphasis
Pre-display
Calibration
Measurement
Detectors
Ratio
Limit
Lower Limit Reference
Upper Limit Reference
Limit Measurement Mode
Automatic Operation
Manual Operation
MHz Input Frequency
9
and l , l Step Size
SPCL
Setting
All Off
All Off
Off
Off
Off
Frequency
Peak
+
Off
Not Enabled
150 kHz
1300 MHz
Frequency
On
Automatic Tuning
Modulation Output
Service Request Mask
Status Byte
Trigger Mode
or after power-up, the Measuring Receiver will
tune
to 100 MHz.
0
kHz
Special Functions prefixed
1
through
10
in zero-
suffix mode; all others off
FM (least sensitive range)
HP-I6 code error enabled only (22.2SP)
Cleared
Free-run (TO)
3-25
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