Manual

10
4. A “PF” on the display indicates a Power Failure and
the unit requires AC power to operate. The time and
date are protected for 7 days by the super cap. The
program is retained in permanent memory.
5. A “Lo” on the display indicates that the super cap
has run low and the unit needs to be powered with AC.
A minimum of 8 hours is required to fully charge the
super cap.