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Part 10
without the transparent key caps (these are in the accessories box). Also
supplied with the keyboard are 4 die cut self-adhesive A4 label sheets that may
be printed by most conventional means with whatever legends are required by
the application.
Each type of key top (with transparent key cap) listed in the table at
end of BRIEF INTRODUCTION can be separately purchased in certain
quantities and applied for variety in keyboard layout presentation.
The user may use the
key clip (to be found in the
accessory box) to pull off the
key caps and apply the printed
legend label on the key top then
recap the transparent key cap for
identification.
The user may also use
a flat bladed screwdriver (not
the key clip) to remove the key
tops for rearrangement of the
key tops. However, it is
absolutely important to correctly
orientate the key tops before they are inserted into the keyboard frame; failure
to do so could result in permanent damage. Please note that on at least one
side of the square stem of the key top, there is a small latching tab to match
with a corresponding tab on the bottom inner side of the guide hole as in the
example drawing above.
The system integrator
can program the content of the
keyboard for the application
software following the
technical guidance of Posiflex
keyboard programming
utilities.
INTERNAL KB WEDGE BARCODE SCANNER
The PST system is designed to allow several PS/2 KB interface
devices connected in a chain share the KB port. The terminal is supplied with
two devices already in the chain. The first is the programmable keyboard
followed by the magnetic stripe reader (MSR) if installed.
It is possible to add additional devices to this chain in either an
internal or external manner subject to a maximum of 5 devices. For external
connection, open the front door using the mechanical key and connect the KB
interface device to the PS/2 KB port inside. However internal connection is
Transparent key cap
Legend label
Key clip
Blank key top
Tab in the
guide hole
Latching tab