CHAPTER 3
Video terminal VT50
405.1200.037.2 - Rel.: 2.21 of 25/02/2008
3-14
The choice should be according to the speed you intend to use for the transfer
(Slow=9600bit/sec or Fast=38400bit/sec), press the corresponding function
. The VT is now ready to receive (see Software Manual for the transfer).
Information
relating to
driver
After the project has been transferred, the VT can make available informa-
tion relating to what has been loaded. The information regards:
• The name of the driver loaded
• The version of the driver loaded
• Network address of the VT
• Last error to have occurred
To acquire this information carry out the following operations:
• Be situated in any page of the project
• Press twice; you will see
The possible error messages are:
• PROT ERROR
Problem-> Errors have been detected in the data exchange between
the VT and the Device.
Solution-> Check the cable; there may be disturbance.
• COM BROK
Problem-> Communication between VT and Device interrupted.
Solution-> Check the serial connection cable.
An error message followed by [*] indicates that the error is not currently
present but was and has since disappeared.
Example: COM BROK*
Adjusting the
contrast on
the display
To improve the quality of the representation on the display it may be neces-
sary to adjust its contrast. This can be done by rotating the trimmer (C) at
the back of the VT (see Page 3-9 or Page 3-10); turn it (using a small screw-
driver or a trimmer tool) in one direction and, if the display quality wors-
ens, turn it the other way.
Shift
Help
Info
Driver: xxxxxxxxxxxxx
Ver. : xxxxxxxxxxxxx
Addr. : xxxxxxxxxxxxx
Error : xxxxxxxxxxxxx
o
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