VISUAL 100 - Page 69

VISUAL TECHNOLOGY INCORPORATED, 540 MAIN STREET, TEWKSBURY, MA 01876
Operation
Fault Probable Cause Remedy
On Line
Parity errors Wrong Data Rate
Set (SET-UP B)
Wrong Parity
Set (SET-UP B)
Wrong bits/char.
Set (Set-UP B)
Defective PCB Replace
On Line Wrong Characters
Defective keyboard Replace
or Local
Defective Logic PCB Replace
On Line
EIA OK Current Internal switches Set (see Table 2-2)
Loop doesn't work not set.
On Line
Control Function Defective PCB Replace
not Recognized ANSl/VT52 Mode wrong
Set (SET-UP B)
On Line Snapping sound
CRT ground wire not Connect
or Local connected (Black wire)
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