Keithley 2700, Service Manual

Page: 154 / 174

B-18 Calibration Reference
:DATE?
(:CALibration:PROTected:CARD1:DATE?)
(:CALibration:PROTected:CARD2:DATE?)
Purpose
To request the Model 7700 calibration date.
Format
:cal:prot:card1:date?
:cal:prot:card2:date?
Response
<year>, <month>, <day>
Description
The
:CARD1:DATE?
and
:CARD2:DATE?
queries allow you to read
back the calibration date from a Model 7700 in Slot 1 and Slot 2
respectively.
NOTE The card calibration date is automatically set to the Model 2700 real time clock date
when the card is calibrated.
Example
:CAL:PROT:CARD1:DATE?
Request card 1 cal date.
:INIT
(:CALibration:PROTected:CARD1:INITiate)
Purpose
To initiate Model 7700 calibration procedures.
Format
:cal:prot:card1:init
Parameter
None
Description
The
:INIT
command enables Model 7700 calibration when performing
these procedures over the bus. This command must be sent to the unit after
sending the
:CODE
command, but before performing Model 7700
calibration.
Example
:CAL:PROT:CARD1:INIT
Initiate 7700 calibration.