User's Manual

Front Panel
The HDT 500 Keys are assigned to operate according
to the specific usage of the device. However, the
items shown below refer to basic operations available
in all HDT 500 configurations.
Setting the Office Dock
Local Computer Control
A Large Office configuration enables a cascade
connection of up to 31 Office Dock units (155
HDT 500 devices) to one RS-485 port in the host
computer. For connections, see figure below.
Remote Computer Control
A Small Office configuration enables a cascade
connection of up to 3 Office Dock units (15 HDT 500
devices) to the host computer. A Line Modem is used
for communication with remote located host
computer. For connections, see figure below.
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To Third Office Dock Unit
J2
J1
To 90-240VAC
Power Outlet
Line Modem
(28.8 or 33.6kb/s)
J1
RS-232
cables
To
Phone
Line
J2
To more Office Dock Units
J3
J4
Host computer
RS-485
cables
J3
J4
RS-485 to RS-232 Converter
Navigation Keys
Screen Light
(When pressed with
Shift key, contrast
level increases
cyclically).
IMPORTANT: To
save battery power,
use Screen Light
only when needed.
Barcode Scanner
Keys (for left-hand
and right-hand users)
Screen
Indication Light
(Operation is defined
by configuration)
Space Key
Space Key
(Operation is
defined by
configuration)