5-12 MAC™ 3500 Resting ECG Analysis System Revision L
2021337-036
Maintenance: Keypad Replacement
Keypad Replacement
1. Remove the three fasteners from under the top cover at the front of the unit.
2. Remove the two fasteners that secu
re the display panel cover at the back of the
uni
t and then remove the display cover.
3. Remove the two fasteners holding the top of the keypad.
4. Pull up on the keypad assembly to release it from the top cover. You will
hear a
snapping noise
as each of the eight plastic standoffs is released.