Adjustment of display contrast can be performed using the adjustment control located
on the right side of the computer.
Turn in the directioti of the arrow to increase contrast. Turn in the opposite direction
to reduce contrast. This is used to compensate contrast of the display in accordance
with battery capacity or to adjust to compensate for the viewing angle.
2 - 2 R A M P a c k f o r E x p a n s i o n ( o p t i o n ) , .
The standard RAM area (memory) of this unit is 544 steps/26 memories. However, this
can be increased to a maximium of 1,568 steps/222 memories by using the OR-1
optional RAM pack. This expanded RAM area can be used the same as the standard area
and permits step number increase and memory expansion (refer to page 12).
• How to install the RAM pack
(preparation)
Since the internal circuitry may be damaged by static electricity, prior to handling the
pack, be sure to ground yourself by touching some metallic object such as a doorknob
so as to discharge any static electricity.
(procedure)
( 1 ) T u r n i l i e p o w e r s w i t c h o f f . r
(2) Loosen the two screws on the rear panel
and remove the rear panel.
PCS pad portion
-11 -
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