Chapter 1: Operation | 3 |
Backlighting and contrast adjustment
Hold down 
for 1 second to enter Adjust Backlight mode
for 2 seconds to move through Adjust Backlight mode and enter Adjust Contrast mode
ADJUST BACKLIGHTING
During normal operation, press 
for 1 second
The current backlighting level is displayed.
Select the required backlighting level then:
to adjust contrast, | to return to normal operation, | ||
press | for 1 second | press | or |
or wait for 5 second timeout
Normal operation
ADJUST CONTRAST
During normal operation, press 
for 2 seconds
via Adjust Backlighting
The current contrast level is displayed.
Select the required contrast level then
press 
or
or wait for 5 second timeout
Normal operation