B-2 Calibration Reference Model 2701 Service Manual
Introduction
This appendix contains detailed information about the various Model 2701 remote
calibration commands. Section 2 of this manual covers detailed calibration procedures. For
information about additional commands to control other instrument functions, refer to the
Model 2701 User’s Manual.
Command summary
Table B-1 summarizes Model 2701 calibration commands.
Table B-1
Remote calibration command summary
Command Description
:CALibration Calibration root command.
:PROTected All commands in this subsystem are protected by the calibration lock
(except queries and :CODE).
:CODE <up to 8 char. string> Calibration code or password (default: KI002701).
:COUNt? Request the number of times the unit has been calibrated.
:INITiate Initiate calibration.
:LOCK Lock out calibration (opposite of enabling cal with :CODE
command).
:LOCK? Request comprehensive cal lock state (0 = locked; 1 = unlocked).
:SAVE Save cal constants to EEROM.
:DATE <year>, <month>, <day> Send cal date to 2701.
:DATE? Request cal date from 2701.
:NDUE <year>, <month>, <day> Send next due cal date to 2701.
:NDUE? Request next due cal date from 2701.
:DATA? Request calibration constants data.
:DC DC cal steps.
:STEP0 Rear scanner terminals short step
1
.
:STEP1 Front terminal short circuit.
:STEP2 Open circuit.
:STEP3 <NRf> 10V DC step.
:STEP4 <NRf> –10V DC step.
:STEP5 <NRf> 100V DC step.
:STEP6 <NRf> 1kΩ 4-wire step.
:STEP7 <NRf> 10kΩ 4-wire step.
:STEP8 <NRf> 100kΩ 4-wire step.
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