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37
1.
Emergency power supply
Cautions
In case the batteries are completely discharged, 9V battery can be used to supply electricity to the unit. Unlock with the card key or security
code while contacting a
9V battery
just like the below instruction. Discharged batteries should be replaced right away.
Discharged
Holding a 9V
battery
Touch the keypad with the palm,
enter the security code and
retouch the keypad or press
button.
Holding a 9V battery to [emergency
power supply terminal], contact
your iButton key on the [key
reader]
Replace all of the
batteries
Check out if a iButton
key and security code
work properly after
replacing all batteries.
Open the
door
Changing
Batteries
Confirming
iButton key use
Security code use
Cautions
Summary of Contents for GATEMAN YDR2108
Page 1: ......
Page 40: ...Cautions...