Dometic SI 1500-12V Manuel De L'utilisateur page 23

Operation
7-1-4. Set SLIDE SW "ON". The keypads will not work if SLIDE SW is
set "OFF".
7-1-5. Remote ON /OFF: Pressing a button (and releasing in one
second) will change (toggle) the output ON/OFF mode and the
display of LEDS will be changed accordingly.
7-1-6. Operations of power saving mode:
Press the button for 2 seconds and the colors of LED will be
changed.
Keep pressing the button and the colors will be toggling
between amber and green every 2~3 seconds.
The color of LED will determine the mode of operation.
Green indicates that power saving mode is enabled and amber
indicates is disabled.
Release the button when the LED indicating the desired status
is reached.
7-1-7. The operation power saving enable / disable does not change
the power ON/OFF mode.
7-1-8. Despite the setting of power saving mode, when a power OFF
command is set by pressing a button, the power will be turned
OFF and the power saving mode will be set to disable
automatically (amber LED will flash for 2~3 seconds). When
the power is turned ON, the power saving mode will restore the
previous setting.
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