Hanna Instruments HI 901 - Manual (Page 33)

4-7
GENERAL OPTIONS
Option Keys:
Turns the backlight off
Turns the backlight on
Increases the backlight saver time interval
Decreases the backlight saver time interval
The contrast can be adjusted using and keys.
The backlight intensity can be adjusted using and keys.
There are 8 gradual steps both for contrast and backlight intensity, ranging from 0 to 7.
A gray-scale grid ranging from black to white, is displayed in the center of the display,
allowing an easy selection of the appropriate display lighting.
The backlight saver option protects the display during stand-by periods, when no keys have
been pressed for a set amount of time.
If the display backlight is in Save mode, any keystroke will activate the display backlight
without performing any action.
The range for backlight saver interval is between 1 and 60 minutes. To disable the backlight
saver set it to 0 minute.
4.4 Display Settings
This screen allows the user to customize the viewing features of the display.