Appendix A API Command Reference
NetScan User’s Manual A-13
*K - Change Calibration Keyword
TYPE
Calibration
EXECUTION
Immediate
SYNTAX
*Kkey
Change the calibration keyword, where key is the keyword in the form of a 5-
digit number nnnnn. Therefore the password can be no longer than 5
characters.
DESCRIPTION
Note: This command is only for advanced users who perform their own calibration. It i s not necessary for
normal, everyday operation.
The Change Calibration Keyword (*K) command allows the changing of the Calibration Keyword which is a user-
defined password. The password is a safety feature to prevent unauthorized personnel from entering calibration
mode and potentially altering calibration constants. The new keyword must be a 5-digit decim al number. Once
the keyword is set, it will, thereafter, be used by the Enter Calibration Mode (K) command to determine entry into
Calibration Mode.
Note: This command is only valid when calibration protection is disabled via the rear panel c alibration
disable/enable pushbutton. Refer to Chapter 6 for detailed instructions on calibration.
EXAMPLE
PRINT#1, “K12345X”
‘ Enter Calibration Mode. Keyword = 12345
PRINT#1, “U2X”
‘ Check for Keyword Error
INPUT#1, A$
C%=VAL(A$)
‘ Get the Calibration Status Register
IF (C% AND 16) THEN
PRINT,"ERROR—INVALID KEYWORD”
SLEEP 5
‘ If so, wait until keyword check jumper is disabled
PRINT#1, “*K67890X”
‘ Enter new Keyword = 67890
ENDIF
PRINT#1, “EX”
‘ End Calibration Mode
*P - Adjust Calibration Card Pots
TYPE
Calibration
EXECUTION
Immediate
SYNTAX
*Pchan
Select voltage level to be enabled for adjustment. Valid options for chan
are: 01 - Enable -4.4 Volt Source on calibration card, 02 - Enable +4.4 Volt
Source on calibration card, and 03 - Select 0 Volts GND.
DESCRIPTION
Note: This command is only for advanced users who perform their own calibration. It i s not necessary for
normal, everyday operation.
The Adjust Calibration Card Pots (*P) command is used to enable the -4.4 Volt or +4.4 Volt source on the
special calibration card to allow for their adjustment. Refer to Chapter 6 for speci f ic details. A second, diagnostic
use for this command is to program the channel sequencer to “SIT” on a specified c hannel without c hanging
address lines, accessing temperature sensors, or making/break ing relay contacts.
EXAMPLE
PRINT#1,"K12345X"
‘ Enter calibration mode
PRINT#1,"*P02X"
‘ Enable -4.4 Volt Source
‘ Adjust -4.4 Volt Source
PRINT#1,"*P01X"
‘ Enable +4.4 Volt Source
‘ Adjust +4.4 Volt Source
PRINT#1,"EX"
‘ End calibration mode