NAVI D-25 Instruction Manual page 122

● Start DO calibration command format (D-55 )
● Clear calibration command format
D-52/53/54/55
Calibration method to be set (one digit)
0: Air calibration
1: Standard solution calibration
Command code (DO calibration start)
Header
・ This command is valid when on-line, when DO
measurement or calibration are on HOLD.
・ After calibration is finished, "END" will be displayed
and the calibration coefficient will be stored in the
memory.
Channel number (1 or 2)
Command code (Calibration clear)
Header
・ This command is valid when on-line, when "HOLD" is
being displayed for ION or pH calibration.
・ When a pH electrode is being calibrated, the pH
standard calibration value is cleared.
・ When an ION electrode is being calibrated, the ION
standard calibration is cleared.
・ The calibration value of the channel being displayed
currently will be cleared.
4 RS-232C communications
4.3 On-line operation commands
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