Installation manual

Simrad SP90
116
851-164510 / Rev.E
Operating Panel backlight
22 Check the Operating Panel backlight.
a Select the Display menu.
b Press the left and right hand side of the Panel
Backlight menu button.
c Check that the Operating Panel backlight can be
decreased and increased.
Power off
Observe the following procedure to switch off the sonar for the
remaining tests.
1 Select the Horizontal menu.
2 Set the TX Power button to Off.
3 Press the Power button on the Operating Panel for
approximately three seconds to switch off the sonar.
4 Check that the green LED next to the button extinguish,
and that the sonar picture changes for the power off
sequence.