Operating instructions

19
Left to the third number in the Supervisory combination. Stop. (photo 3)
Right to LU (Locked Up) symbol is displayed. (photo 4)
This blocks entry of the Subordinate Combination holder(s) until the Supervisory Combi-
nation is redialed redisplaying UL (Unlocked).
There may be unlimited delay between dialing of the Supervisory combination and dialing
of the Subordinate combination. However, when dialing either combination if the dial
remains stationary for more than 40 seconds, the computer will reset (LCD will go blank)