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Selecting the Correct Slot

For most option cards, it makes no difference which slot they

are installed in. Occasionally, however, a card may require a specific

slot. Check the option card manual to determine if your option

card requires a specific slot.

Some cards come with their own outlets. In a case such as this,

the side with the outlet fits into one of the pop-out access slots

on the back of the main unit. Slot 5 is fitted with a round pop-

out access hole on the back of the main unit, while slots 1 through

4 have vertical pop-out slots. If the option card comes with a round

outlet, you'll probably want to install it in slot 5.

Carefully remove the option card from its carton. (Save both the

box and packing materials.) Hold the card only by its edges. The back-

ing is quite rigid, but the soldering and electronic components

attached to the card are very delicate. Dropping the card or hit-

ting it against a hard surface may damage it. Touching any part

of the card edge (which looks like a metal fringe on the bottom

of the card) should also be avoided, because dirt or grease will

impair proper contact with the QX-10.

Even though they are designed to fit only one way, it's a good

idea to examine the card first. The card edge should be pointing

down and the components should be on the left side when you're

facing the back of the main unit. When the option card comes

with its own outlet, the side with the outlet goes into the back

of the main unit. The card edge fits into one of the five connector

slots.

OPTION CARD