Emergency Power; Emergency Power Supply For Discharged Batteries - Yale YDM 3111 User Manual

Emergency Power

Emergency Power Supply for Discharged Batteries

You may open a door by contacting the 9V battery
》 To Supply Emergency Power
Order Play
Contact the
9V battery
Method ❶
Contact card key
Method ❷
Enter password
》 To Replace Battery
1⃞ Expiry Period
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.)
2⃞ Low Battery Alarm
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)
Note
•The battery duration varies in the temperature, humidity, the number of use, and the quality of the battery.
22
Description
Open the emergency cover. Keep contacting the 9V battery
onto the emergency power supply terminal.
Contact card key
Enter the registered Password.
One-on-one real-life size
1.5V(LR6) alkaline AA battery
Low Battery Lamp (red)
back body