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Secret Knock
For each push button, you can set up a Secret Knock that has a different
ring and halo light colour. The Secret Knock is triggered by pressing the push
button quickly 3 times.
1. Press the push button 3 times quickly.
2. Within 12 seconds of pressing the push button, press the Music button to
select the ring for the Secret Knock.
3. Within 12 seconds of pressing the push button, press the Sunlight button
to select a halo light colour for the Secret Knock.
Built-In Range Extender Function
The series 9 range of doorbells have a built in range extender function,
meaning that when it receives a signal from a linked push button it will
automatically boost the signal in a 200m diameter range.
The only condition will be to link the push button or buttons to all the chimes
that are required to be triggered by the range extender.
Maintenance
Your doorbell and push button require no maintenance except periodically
changing the batteries.
If using the correct batteries, battery life should be approximately:
• Up to 5 years for the doorbell; replace with 4 C alkaline batteries
• Up to 2 years for the push button; replace with a CR2032 lithium battery
Low Battery Notification
When the doorbell batteries are low, the bottom edge of the halo light flashes
yellow every 6 seconds until the batteries are replaced.
When the push button batteries are low, two beep sounds are heard after the
normal tune.
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