dinary keys 2) The management card
is used
to add and delete ordinary keys. You
can unlock the lock when touching the mana
gement card in any mode.   2. Settings functi
on: 1) Initialization
: Press and hold the sw
itch button on the PCB board
for abou
t 3 seconds, and the buzzer will sound
for a lo
ng time. At this time, it is preset to the single-on
mode. 2)
When the door lock is
empty,
you can directly set up the
manageme
nt card, and only 3 cans can be set. 3) Change the operating mode. Press the button on
ce to sw
itch the operation mode. The buzzer sounds a short sound to indica
te the s
ingle card mode, and two card modes indicate the dual card mode. 4) After reading the management card, the
door loc
k is opened and the buzzer continues to ri
ng for a
short time. During th
is perio
d, the ordinary key can be ad
ded. The
first card added is the waiter card, and the
others a
re ordinary keys. If the added key alrea
dy exist
s, then it will ring twice, and four times will ring when the storage a
rea is f
ull. 5) During non-
setting
periods, touch any invalid card and call three times a short time.   3. Clear functio
n: 1)
After re
ading th
e manage
ment car
d three
times in