NAV4 Plus User Guide Issue 2 - ICS Electronics Limited
NAV4 Plus User Guide Issue 2 - ICS Electronics Limited
NAV4 Plus User Guide Issue 2 - ICS Electronics Limited
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<strong>NAV4</strong>plus <strong>User</strong> <strong>Guide</strong><br />
damage the rod hole in the end cheek<br />
Notch<br />
EPROM<br />
• Remove the old<br />
EPROM chip from its<br />
socket by inserting a<br />
screwdriver under each<br />
end in turn until the chip<br />
can be removed by hand.<br />
Note the location of the<br />
notch in the end of the<br />
chip<br />
• Check that the two<br />
lines of pins on the new<br />
chip are parallel and the<br />
same distance apart as<br />
those of the old chip. The<br />
pins can be bent slightly if necessary by pressing against a flat<br />
surface<br />
• Insert the new chip into the socket, taking care that the notch in<br />
the end is the same way around as the notch in the old chip<br />
• Re-assemble in reverse order<br />
• Replace the two cheeks, making sure that the washers and door<br />
hinge rod are firmly engaged in the holes in each end cheek<br />
• Plug in the orange connector<br />
• Press and hold the Y button as you switch on the unit for the<br />
first time, release the Y button and the <strong>NAV4</strong>plus will sound a<br />
long ‘beep’<br />
• Finally, re-enter the station and message selections and the log<br />
setting by pressing the N button and following the setup<br />
instructions as described in this handbook<br />
40
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