How to Adjust Keypad Constrast for the FMR-7033, D7033, or DS9447

[#1]

Issue

Can the contrast be adjusted on the D7033, FMR-7033 or D9447 Keypads?

Solution

1. Remove the rear cover, holding the keypad upright.
2. The contrast adjustment ppotentiometer is located on the back of the keypad, toward the bottom of the circuit board to the left of the ribbon cable. See photo be low.

Part numbers FMR-7033, D7033, DS9447