Operating System/Environment; Screen Contrast - Symbol PTC-870IM User Manual

The following applications, which
run on top of MS-DOS, are available
for the PTC-870IM: ANSI/VT220 (TCP
or TXP), 3278, or 5250 emulation.
The Increase and Decrease Contrast
buttons are not operable on PTCs
with EL panel screens.
Drives
installed PCMCIA
A & B
Letter
assigned
A & B
A & B
A & B
A & B

Operating system/environment

The PTC-870IM's operating system is MS-DOS 6.22.
A separate pen operating environment runs on top
of MS-DOS and enables touch recognition for units
that have the touch panel feature. The following pen
operating environments are available from Telxon:
PenRight!, PenDOS, PenRight! for Windows, and
Windows for Pen Computing.
Both MS-DOS and the pen operating environment are
preloaded into the PTC. However, your organization
must load your application program.

Screen contrast

For PTC-870IMs with transmissive LCD screens, the
screen contrast can be increased or decreased using
the PTC's Increase and Decrease Contrast buttons.
ROM RAM
C Not
installed
C Not
installed
D C
D C
Not Not
installed installed
Solid-state
hard drive
Not
installed
D
Not
installed
E
C
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