Gewiss 90 AM Serie Manual Del Usuario página 33

OFF period YES
6. Enter hour and minute for the OFF command (+/-) 
7. When prompted, select desired days  and confirm by pressing 

OK
8. Select CHANNEL ON: YES or NO

Select YES to set the time period (hours and minutes) during which
the time switch should switch on again.
ON
Sunset

Select NO if the nighttime switch-off should last to the next sunset.
ON
Sunset
Channel ON: YES
9. Enter hour and minute for the ON command (+/-) 

The program is saved.
23 h
OFF ON
5 h
23 h
OFF
Sunrise
OFF
ON
Sunset
33
OK
23 h
OFF
OK
N
G
L
I
S
H