Note
To comply with relevant safety certifications, the CSI 2140 labeled "ATEX/IECEx Zone 2" does not
have a keypad backlight.
Procedure
Press the keypad backlight key
to turn the light on or off.
2.12 Touchscreen
The touchscreen and function keys let you access the menu options and enter text. If the
touchscreen does not respond accurately, calibrate the touchscreen.
WARNING!
Clean the touchscreen only in a non-hazardous area. An electrostatic discharge is possible
when you clean the equipment exterior. Do not use any abrasive or corrosive chemicals or
materials. Do not use petroleum distillates and ketone solvents, for example, acetone, gasoline
and kerosene. Use a dry, lint-free towel or cloth dampened with a mild soap and water
solution.
Note
To prevent permanent damage to the touchscreen, never use sharp objects or excessive pressure
with your fingers or stylus. Lightly tap the screen.
2.12.1 Lock or unlock the touchscreen
You can lock the touchscreen and only use the keys on the front of the analyzer to select
menus and options. Lock the screen to prevent inadvertently pressing buttons when you
carry the analyzer. You can also put the analyzer in standby to lock the touchscreen.
Procedure
Press Home > ALT > F2 General Setup > F9 Set Touch Screen to lock or unlock the screen.
If you locked the touchscreen, you can still use the buttons on the side of the screen to
select options.
2.12.2 Calibrate the touchscreen
Calibrate the touchscreen to respond to your touch. You can use your finger or a stylus.
Calibrate if the touchscreen does not respond accurately.
Procedure
1.
Press Home > ALT > F2 General Setup > F10 Calibrate Touch Screen.
2. Touch in the center of each crosshair.
Introduction to the analyzer
MHM-97432 Rev 7 23
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