GE 19200 GE Portable Wireless Seven-Sound Chime - Manual (Page 5)

3. Locate the House Security Code door and screw located on the
back of the AC Chime. Remove the screw and take off the door.
4. Locate the chime and pushbutton jumpers shown below.
Push Button Jumpers Chime Jumpers in battery compartment
5. Jumpers 1-6 are used to select 1 of 64 possible home security codes.
6.
To change the house code, add or remove jumpers as needed. It is
recommended to change only one jumper at a time and then test the
system for proper operation. Positions 1-6 on the chime and pushbutton
must match exactly.
7.
Push Button Mounting Instructions
Note: Avoid mounting the push button on metal surfaces, as it may result
in a reduced range of transmission. Do not mount in an area of rain (direct
weather.)
a. Removing the back cover