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WEBASTO DBW SERIES HEATERS OPERATING INSTRUCTIONS
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Switch 1 & 2 control timer on duration.
30 Minute
60 Minute
90 Minute
120 Minute
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Switch 3 controls truck vs. bus operation.
Bus Mode
Truck Mode
Switch 4 controls 12 vs. 24 hour clock.
12 hour clock
24 hour clock
Default settings for new timers are:
• Truck - 60 minute operation time, 12 hour clock
• Bus - 60 minute operation time, 12 hour clock