3
Use this manual with the following models only.
Models 1601-080, 1601-081, 1602-080, 1602-081 with circuit board 1601-010 REV U or higher.
NOTE: Models 1601-081, 1601-088 and 1602-081 will have a supplemental manual (P/N 2340-
065) that describes the operation and setup of the optional battery backup system available with
these untis, and provides additional wiring information for these units.
DoorKing, Inc. reserves the right to make changes in the products described in this manual
without notice and without obligation of DoorKing, Inc. to notify any persons of any such revisions
or changes. Additionally, DoorKing, Inc. makes no representations or warranties with respect to
this manual. This manual is copyrighted, all rights reserved. No portion of this manual may be
copied, reproduced, translated, or reduced to any electronic medium without prior written consent
from DoorKing, Inc.