NorthStar Navigation EXPLORER 657 - Manual (Page 9)

9 Northstar Explorer 657 Installation and Operation Manual
Handle plug-in cards carefully. Keep them in
their protective cases when not plugged into
the 657.
Keep the holder in place in the 657 at all times
to prevent moisture from entering the card
compartment.
CAUTION
Changing the plug-in card
Turn the 657 off (see section 2-2).
Pull the card holder out of the 657 and pull any
card out of holder.
Put the card in its case.
Push new card into holder. Ensure the gold
contacts are on the outer edge and underneath
(see above).
Keep the card’s case.
Push card holder fully into 657
1-4 Removing and replacing the display unit
If the display unit is bracket mounted then the
display unit can easily be removed and replaced
for security or protection.
Removing the display unit:
1 Turn the display unit off (see section 2-2) and
put the dust cover on.
2 Loosen the knob on the mounting bracket
and lift the unit off the bracket.
3 Unplug the connectors from the display unit;
turning each locking collar anticlockwise until
you can pull the plug out.
4 Push the attached dust covers over the
exposed ends of the connectors.
5 Store the display unit in a dry clean place,
such as the optional Northstar carry bag.
Replacing the display unit
1 Remove the dust covers from the connectors.
Plug the connectors into the back of the
display unit:
Match the connector’s color to the socket
color.
Mounting
bracket
Knob
Insert each connector and turn the
locking collar clockwise until it is finger
tight.
Nothing will be damaged if a cable is
plugged into the wrong socket by mistake.
2 Hold the display unit in place on the
mounting bracket. Adjust the tilt of the
display for best viewing, then hand tighten
the knob on the mounting bracket. Remove
the dust cover.
1 2 4 3
Gold contacts under here
Card
Holder