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Code and Tune Settings
Code Settings
Note: Most installations will not require you to change any of the jump-
ers on your doorbell.
WARNING: Disconnect chime unit from power source before opening
code access door. Close door and replace screw before reconnecting
to power.
The transmitter and chime communicate by using a code that can be changed
by removing and/or adding jumpers on both the transmitter and chime. The
code is factory set; however, there are 128 selectable codes that allow you
to expand your system and prevent outside interference. Another wireless
doorbell system or other wireless products may cause interference and the
system may not function properly. Follow the instructions below for setting a
new code.
1. Disconnect the power to the transmitter and chime.
2. Open the cases and locate the jumpers on both the transmitter and chime
(See illustration).
3. The transmitter and chime both have eight different jumper locations. The
jumper positions 1 through 7 are used for setting the code.
4. To change the code, add and/or remove jumpers as needed. There are
128 different combinations. It is recommended to only change one jumper
at a time and then check to see if system is functioning properly. Note:
Jumpers in positions 1 through 7 must be exactly the same for both the
transmitter and chime for this system to function.
