Hitachi ZW180 Technical Manual page 89

FNR Switch Enable Indicator Control
Purpose: To light the FNR switch enable indicator on
the monitor when the FNR switch is effec-
tive.
Operation:
1. Turn the FNR selector switch ON after the FNR
lever and the FNR switch are positioned at neu-
tral.
2. Then the FNR switch becomes effective and the
monitor unit lights the FNR switch enable indicator
on the monitor.
NOTE: In case the FNR lever becomes out of order,
input to the FNR switch becomes ineffective
and the FNR switch enable indicator is kept
OFF.
Monitor
FNR switch Enable Indicator
SYSTEM / Control System
MC
Monitor
Unit
F
N
R
FNR Lever
T2-1-47
NOTE: In case the FNR lever is operated while
traveling by using the FNR switch, input to
the FNR switch becomes ineffective and
the vehicle body moves by operating the
FNR lever. (Refer to the FNR Lever Priority
Control.)
NOTE: The FNR switch does not transmit the neu-
tral signal. In case of no electric current
from the FNR switch, the controller judges
that the switch is neutral (N).
ECM
F
N
R
FNR Selector
FNR Switch
Switch
OFF
ON
T4GD-02-01-005