Yokogawa DO202 2-Wire Dissolved Oxygen Analyzer - Manual (Page 41)

IM 12J05C01-01E
5-1 Parameter Setting
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.
Calibration Air See “calibration” section 6.
H
2
O See “calibration” section 6.
Sensitivity See “calibration” section 6.
Zero See “calibration” section 6.
Hold Manually switch on/off
“hold” (when enabled in
Commissioning menu).
See adjustment procedure
5-2-2.
Display See “operation” section 4.
Manual temperature See “manual temperature
adjustment” section 5-1-2.
Manual pressure See “manual pressure
adjustment” section 5-1-3.
mA
HOLD
YES NO CALIBRATE
MEASURE
NO
NO
NO
YES
MODE
YES
YES NO
HOLD
YES NO YES NO
YES NO
ENT
FAIL TEMP.MAN
YES NO
ENT
NO MODE YES
MODE
%sat
ppb
CAL
DISPLAY
ppm
HOLD
OUTPUT
SET HOLD
SERVICE
NO
5-1-1. Manual activation of hold mA