Parameter setting, 1. maintenance mode, Parameter setting -1 – Yokogawa DO402 Dissolved Oxygen Analyzer User Manual
Page 37: 1. maintenance mode -1

IM 12J05D02-01E
Parameter setting 5-1
5. PARAMETER SETTING
5-1. Maintenance mode
Standard operation of the EXA instrument involves use of the maintenance (or operating) mode to set up
some of the parameters.
Access to the Maintenance mode is available via the six keys that can be pressed through the flexible
window in the instrument cover. Press the MODE key once to enter this dialog mode.
NOTE:
At this stage the user will be prompted for pass code where this has been previously set up in
service code 52 in chapter 5.
Air calibration
See “calibration” section 6.
AIR.CAL
H
2
0 calibration
See “calibration” section 6.
H2O.CAL
Manual calibration
See “calibration” section 6.
MAN.CAL
Display
See “operation” section 4.
DISP
Setpoint
Select and adjust setpoint (when enabled in service menu section 5, service
code 51). See section 5-4 for adjustment procedure.
Wash
Manually start/stop wash cleaning (when enabled in service menu section 5,
service code 51). See section 5-3 for adjustment procedure.
Hold
Manually switch on/off HOLD (when enabled in commissioning menu section).
See section 5-2 for adjustment procedure.
Manual temperature
Manually input a temperature value for a sensor without a temperature sensor
(when enabled in service menu section 4, service code 13). See section 4-4
for adjustment procedure.
Manual pressure
Manually input a pressure value when the pressure sensor in the DO402G is not
used (when enabled in service menu section 4, service code 51).
See section 4-4 for adjustment procedure.
SETP
WASH
HOLD
M.TEMP
M.PRESS