Cautions; Emergency Power Supply - Yale GATEMAN YDM 3109 User Manual

Cautions

1. Emergency power supply

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
30
Security code use
Touch the keypad with the
palm. Enter the security code
and retouch the keypad or
press button.
Change Confirming
Batteries
Open the
door
Check out if a card
key and security
code work properly
Replace all of the
after replacing all
batteries
batteries.