7
+
-
+
-
Battery Power
The X11 runs on
two (2) AA batteries –
alkaline, lithium or
rechargeable – average
30 hours of use under
high noise conditions.
Open cover and insert
batteries as shown
in Fig. 1.
Fig. 1
X11 SERIES
CONTROL UNIT
LED
Indicator
Light
Model X11P
(Permanent Panel Mount)
Power the unit by turning
the ON/OFF power switch
to the ‘ON’ position
(See Fig. 2)
.
Solid Green Light:
indicates
ENC is activated under
aircraft power. For Model
X11P, LED light stays solid
green (no flashing) when
power is ‘ON’.
Note:
Batteries are not
required if utilizing panel
mount option. However, if
batteries are installed, the
auto-shutoff switch in the
battery compartment of
the control unit should be
in the ‘ENABLED’ position
(See Fig. 2) to prevent battery
drain once the aircraft power
is turned off.
POWERING THE UNIT
Model X11
Power the unit by
turning the DC Power
ON/OFF switch to the
‘ON’ position
(See Fig. 2)
.
Flashing Green Light:
Indicates ENC is
activated and battery
capacity is sufficient.
Flashing Red Light:
Indicates power low
and batteries are in
need of replacement.
Approximately two
(2) hours remaining.
Fig. 2
Auto-Shutoff Switch
Power ‘ON’
Power ‘OFF’
6
