3 performing calibration, 1 performing manual calibration, 2 semi-automatic calibration – Yokogawa Multi Channel Oxygen Analyzer System ZR22/AV550G User Manual
Page 172: Display contrast, 3 lcd auto off, 4 display contrast adjustment, 5 tag name entry

IM 11M12D01-01E
10-10
10.3.3 LCD Auto Off
If no keys are touched during a preset time interval, then the display and backlight turn
off. They are turned back on:
1) If you touch the screen.
2) If an error or alarm occurs.
2) Touch the Enter key and the numerical entry display appears. To set an "Lcd auto
off" time of one hour, enter 060.
3) You can enter a value in the range 0 to 255 minutes. If you set 0 then the "Lcd auto
off" function does not operate.
10.3.4 Display Contrast Adjustment
Display contrast can be adjusted by the following procedure:
2) If you press the Enter key then the contrast adjustment display of Fig. 10.8 appears.
3) Use the
᭣ and ᭤ keys to adjust for best contrast, then touch the Enter key.
4) If you touch the Reject key, then no changes are made.
F10.8E.EPS
Enter
Display contrast
Low
High
Fig. 10.8 Contrast Adjustment Display
10.3.5 Tag Name Entry
You can enter an arbitrary Tag Name for this instrument:
2) A text entry display appears for you to enter an arbitrary tag name. You can use
alphanumerics and symbols, up to 12 characters.