Webasto Telestart T91 Operating And Servicing Manual page 24

Checking the Operating Time
Simultaneously actuate the ON and OFF buttons within
one second three times in rapid succession.
GB
NOTE:
The first coded flashing signal that is emitted imme-
diately upon the third actuation of both buttons has to
be included into the count.
The LED flashes in accordance with the preset operating time.
No. of coded
1 2
flashing signals
Operating time 10 min. 20 min. 30 min. 40 min.
No. of coded
7 8
flashing signals
Operating time 70 min. 80 min. 90 min. 100 min. 110 min. 120 min.
22
3 x
3 4 5 6
50 min. 60 min.
9 10 11 12