Changing The Display Settings - Simrad IS20 Manual

Menu illustrations
In this manual, the first steps in a menu operation are
illustrated by overlapping menu windows.
When more detailed illustrations are required to show key
presses and screens, this is shown as below:

2.6 Changing the display settings

To optimize the readability under different light
conditions, the instrument backlighting is controlled by 2
settings:
The light level is controlled by the light key. Refer
Backlighting, page 10.
Color and level also applies for key backlighting!
16 | Operation
Number of underlying menu windows are
indications only and do not correspond to
actual key presses.
− Light level
− Light color