4222
Replacing the Battery
The
V8010
contains internal memories to store your waypoints, event
marks, vessel tracks, initial position, and other last used set-ups. A Lithium
battery back-up keeps this memory information intact even when the unit
is unplugged from the ship’s battery and carried home for storage.
The estimated life span of the battery is from three to five years. If the
battery should fail, the memory contents will be lost. However, the
V8010
could still operate normally without the battery by input of all of the initial
position data and
waypoint
information each time you use the unit. This
would be extremely inconvenient. To insure trouble free operation it is
suggested that the battery be replaced every three years with an exact
repIacement lithium battery.
The lithium battery is soldered onto the Processor PCB. It is recom-
mended that the battery be replaced by your authorized Raytheon dealer
or by the Raytheon Factory Service Center with an exact replacement
lithium battery type.
423 Self
lbst
Mode
The
V850
contains a Self
Test
function which verifies the conditions of the
internal circuitry at power up. Self tests include; 1) checks of the ROM
&
RAM memories, 2) the receiver and antenna of the GPS sensor (if con-
netted),
3) the speed/temp module signal inputs, 4) whether the INT GPS
is turned ON in the INPUT/OUTPUT menu, and 5) the keypanel.
In addition, the software revision level ap-
pears on this screen. The software revision level
is usefulinformation to have available,ifa tech-
nical problem is encountered, to give to the
servicing dealer or technician.
SELF CHECK
PAIEL
ROM OK
;
;
R&M
OK
00
RECEIVER OK
0
D
To turn ON the Self Test mode, start with the
echo sounder turned OFF. Press
andhold
the
ANTENNA OK
0
0
SPEED 0 0 0
[m
key down while pressing
them
key
to ON. The
Self
Test
display will appear.
TEMP 2101
0
0
lb test the
key panel
just press each key while
watching the corresponding
”
O’s” in the rows
labeled ‘panel” at the screen right edge. With
MAINTENANCE 115
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