hillvert HT-IRI-08 Manual De Instrucciones página 21

PLEASE NOTE: when the low battery icon flashes on the display (see the picture
below), open the battery drawer and wait approx. 60 seconds until the display
goes out before installing new batteries in the device.
3.3.
Device use
3.3.1 Control panel operation
PLEASE NOTE: when the device is in operation, keep the cover closed to protect
the control panel from dust and other contaminants.
Timer function knob
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