Hitachi ZAXIS 135US-5B Operator's Manual page 150

5. Press selector knob (2) to display Monitoring screen (7).
f
NOTE:
 When the "PM Accumulation" bar reaches the right
end, auto-regeneration takes place. However, auto-
regeneration may not be performed depending on the
machine condition.
 The PM Accumulation is not displayed during regeneration.
OPERATOR'S STATION
1-86
2
MDCD-01-026
7
MDAA-01-221EN