Keypad Tone Test: 5 + Whatever keys you want to test
Example: hit 5 1 2 3 repeater says 1 2 3

Temperature: 815
The temperature internal to the controller.

Voltage: 816
Power supply or battery voltage.

Time: 39
Gives local time.

Max. Values:
Temperature, Voltage: 815**, 816**

Min. Values:
Temperature, Voltage: 915*, 816*