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Getting Started
2.10 USING THE KEYWORDS
The keywords provided in the Data Acquisition Pac simplify the use of the HP 3421A while providing
speed enhancements. To make accurate and valid measurements with the HP 3421A, the following steps
must take place:
e Identify the address of the HP 3421A to be used.
eo Reset the HP 3421A to a known state.
e¢ Read the status and configuration into a status buffer in the HP-71.
e Establish default modes of operation.
The statement THI TZ: 1 is used to perform these functions. Once the instrument has been identified,
the remaining keywords may be used to carry out measurement or control functions.
Example: Using the keywords, make a voltage measurement from the front panel terminals on the
HP 3421A.
Input/Result
IMIT=a21
[ENDLINE
Establishes the status buffer and initializes the HP 3421A.
sn
The system is ready.
LEW T=
[ENDLINE
Use the OCYOL TS function to measure the voltage from
the front panel terminals.
1.455
The voltage is displayed.
H=0CW LTS
ENDLINE
Load the variable 1 with a new voltage measurement.
wi
The variable now contains the new measurement.
OI=F HM
ENDLINE
Display the contents of FHto view the result.
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2-9
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