Hoyles Dorgard Fire Door Retainer - Manual (Page 6)

Batteries - use 2 x C Size LR14 and Setting the Time
Batteries - Alkaline only, do not use
rechargeable batteries.
The 2 x C Size Procell Alkaline Batteries supplied
should last for at least 12 months. Dorgard continually
checks the battery life to ensure safe operation.
1. Open Battery Compartment using a screwdriver.
2. Insert the Batteries into the Battery Compartment
(+) positive side facing up. Inserting the Batteries
the wrong way could cause damage.
3. When closing the Battery Compartment take care
not to over tighten.
When the Batteries in the Dorgard unit require
changing it will Fail to Safe. A warning beep will
sound until the Batteries are exhausted, removed or
replaced with new ones.
Note. Battery life may be reduced in noisy
environments.
Setting the Time:
To set the Dorgard Internal Clock to 12:00 Noon
Dorgard must be powered up at 12:00 Noon.
Dorgard does not adjust automatically for daylight
saving time.
To reset Dorgard’s Internal Clock, remove the
Batteries, wait 10 seconds and re-insert them at 12:00
Noon.
Note. Each time the Batteries are removed and
re-inserted the Internal Clock will reset.
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