BioKing K1 User Manual www.ekoo.co.uk
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The door can be locked inside by rotating the interior knob by 90°,
after that the door can’t be
unlocked from outside by any means.
1.8 Low voltage alarm
When the power of battery is running out, the speaker of the door will give off warning tone of
“tick…tick…tick… ” every time the door is unlocked to indicate the user to change the battery
promptly.
Note: Under “low battery” condition, the old batteries should be exchanged promptly to avoid the
inconvenience caused by power-off.
1.9 Emergency Power Supply
If, for any reason, the batteries are not changed promptly and the power is out. The lock can be
powered by connected to the 2 9-voltage jacks at the bottom of the front lock.
Note: After unlocking the door with an emergency power, the old batteries need to be changed
promptly.