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LF=OF<EOS> disables linefeed
7.3.5 Calibration Commands
The following commands are used in calibrating the instrument.
7.3.5.1 Entering the Password
In order to set the calibration parameters the password must be issued first. The
following command enables access to the calibration parameters:
*PA=2051<EOS> enables the calibration commands
Calibration parameters can be locked out again by sending *PA=0 or by cycling
the power.
7.3.5.2 Setting the Menu Lockout
The following commands can be used to select the menu lockout options:
*LO=CA<EOS> locks out only the calibration menu
*LO=AL<EOS> locks out all menus
7.3.5.3 Setting the Calibration Coefficients
The instrument calibration coefficients are used to maintain the resistance mea-
surement accuracy of the 1502A. These coefficients must not be changed ex-
cept by a qualified technician during the calibration of the 1502A. The
following commands can be used to set the instrument calibration coefficients:
*C0=<value><EOS> sets the calibration parameter CAL0
*C1=<value> <EOS> sets the calibration parameter CAL100
*C4=<value><EOS> sets the calibration parameter CAL400
7.3.5.4 Setting the Serial Number
The following command is used to set the serial number of the 1502A:
*SN=<value><EOS> sets the instrument’s serial number
7.3.6 Other Commands
Remaining commands are described below.
7.3.6.1 Instrument Identification
The following command returns the model number and firmware version
number:
*VER<EOS> returns the model and firmware version numbers
The syntax of the response is as follows:
1502A Thermometer Readout
User’s Guide
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