Carrier 33CSPGMR-01 Owner's Manual page 4

The accessory connector of the
programmer =s inserted into the
accessory jack.
Accessory release button
Accessory jack located on
thermostat bottom
Accessory connector
The LED will glow green
when connected to a
compatible thermostat
To release the programmer from
the thermostat: press and hold
the accessory release button
on the front panel of the thermostat,
while pressing the release button,
remove the programmer.
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