NAVI D-25 Instruction Manual page 129

4 RS-232C communications
4.4 Data request commands and responses
● Clock data request command and response
118
Request command format
Command code
Header
pH meter response format
Month, 2-digit, 01 - 12
Year, 4-digit (A.D.; lead zero is suppressed)
Header
Seconds, 2-digit, 0 - 59
Minutes, 2-digit, 0 - 59
Hours, 2-digit, 0 - 23
Day, 2-digit, 01 - 31
HORIBA