Teledyne 7600 - Infrared gas analyzer - operating manual - Manual (Page 81)

Infrared Gas Analyzer Operation
Teledyne Analytical Instruments 81
pressing any key will turn the backlight back ON for the specified
duration.
When ON is selected, the time until auto OFF is displayed. To
change the backlight automatic shut off time:
1. Select Parameter Setting from the user screen.
2. With the UP or DOWN key, select Backlight Timer. and
press ENT.
3. If the timer is not set to ON, change its state by pressing
the ENT key when OFF is highlighted.
4. Press the SIDE key to move the cursor to the time value
and the time setting can be changed using the UP and
DOWN keys. Press the ENT key to confirm the selection.
Note: When OFF is selected, the backlight remains ON and is
not turned off automatically.
3.5.7.6 M AINTENANCE MODE
The maintenance mode is covered in section 3.6. It is a detailed
password protected set of screens that allows you to check sensor input
values, review error logs, set passwords and more.
The default password setting for entering this mode is “0000.” Use
this password to initially enter the maintenance mode and then change it
to one you can easily remember.
To enter the maintenance mode:
1. From the measurement screen press the MODE key to
open the user mode screen.