Fayat Dynapac DR7X Operating Instruction page 55

Resetting the maintenance indi-
cator / hour meter
Fig. 39
Operation – Operating hour meter/engine rpm-meter
1. Shut down the engine.
2. Keep pressing the function key (1), until the maintenance
indicator or the hour meter is displayed.
3. Press the function key for three seconds.
ð The maintenance indicator is reset to 100 hours.
The hour meter is reset to zero hours.
DR7X 55