universalblue UCDH8001-20 Instruction Manual page 27

CONTROL PANEL
Timer: 24 hours timer. Press the key to set the timer off
1.
or on. Timer ranges from 1 to 24 hours. It will increase by 1
hour with every press of the key. Press the key until "--"
flashes. There is a cancel function as well. To cancel he timer
set-up, press the timer button twice continuously after
confirming setup.
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