Delta OHM HD21AB, Руководство пользователя

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4.4.1 Contrast
This item of the Settings menu allows to increase or decrease the display contrast.
To access the Contrast submenu, proceed as follows:
1. Use the arrows ▲▼ to select Contrast ;
2. Press ENTER
3. You will get the following message
CONTRAST LCD
Contrast set:
012
▼▲
set
<ESC> exit/cancel
4. Use the arrows ◄► to decrease or increase the contrast;
5. Press ENTER or ESC to return to the main menu;
6. Press MENU to exit immediately from the main menu.
4.4.2 Backlight
This item of the Settings menu allows to set the ON time for the display backlight. To enter the
Backlight submenu, proceed as follows:
1. Using the arrows ▼▲ select Backlight.
2. Press ENTER
3. The following message appears:
BACKLIGHT
1) Always switch on
2) 5 seconds
3) 15 seconds
4) 30 seconds
▼▲
select
<ESC> exit/cancel
<Enter> confirm
4. Use the arrows ▼▲ to select the desired option
5. Press ENTER to confirm or press ESC more times to escape from the various menu levels
6. Press MENU to exit directly form the main menu.