Yale YDM 2111, User Manual

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Emergency Power
Emergency Power Supply for Discharged Batteries
You may open a door by contacting the 9V battery
One-on-one real-life size
1.5V(LR6) alkaline AA battery
》 To Replace Battery
1⃞ Expiry Period
2⃞ Low Battery Alarm
The product uses four 1.5V(LR6) alkaline AA batteries.
They may sustain 1 year if used 10 times a day.
(Users are advised to use authentic alkaline batteries.)
You must replace all 8 batteries for the following cases:
* The Low Battery Lamp on the back body flickers red
* The alarm melody goes off
(a nursery rhyme starting with ting-a-ling melodies)
•The battery duration varies in the temperature, humidity, the number of use, and the quality of the battery.
Note
》 To Supply Emergency Power
Contact the
9V battery
Method ❶
Contact card key
Method ❷
Enter password
Order Play Description
Open the emergency cover. Keep contacting the 9V battery
onto the emergency power supply terminal.
Contact card key
Enter the registered Password.
Low Battery Lamp (red)
back body