
204
Screen Display
Section 6-2
6-2
Screen Display
This section describes the commands for switching the screen display of the
NT20S and the commands for ascertaining the screen number of the screen cur-
rently displayed by the NT20S.
The displayed screen can be also switched by pressing a touch switch for which
the screen number of the screen to be displayed has been registered. For details
on this method, refer to “Screen Switching Function” on page 138.
To change the NT20S screen, use the Display Specified Screen Command.
To ascertain the screen number of the currently displayed screen, use the Request
Screen Number Command. When this command is executed, the NT20S returns
the Screen Number Response Command.
When the currently displayed NT20S screen is changed by pressing a touch
switch to which a screen number has been allocated, the Screen Number Re-
sponse Command is automatically sent from the NT20S.
Display Specified Screen
Format
1B
[ESC]
30
0
m
1
m
2
* *
* *
m
3
* *
m
4
* *
m
1
m
2
m
3
m
4
: Number of displayed screen (4-digit hexadecimal)
0000: No display
0001 to 01FA
H
: Screen #1 to #500
Description
The specified screen is displayed on the NT20S when a screen number is sent
from the Host with this command.
Request Screen Number
Format
1B
[ESC]
58
x
Description
Enquires what number screen is displayed on the NT20S. The NT20S returns the
number of the displayed screen using the Screen Number Response Command
(refer to 6-2 Screen Number Response).
Summary of Contents for NT20S
Page 1: ...Cat No V020 E1 04 NT20S Programmable Terminal OPERATION MANUAL ...
Page 2: ...i ...
Page 3: ...ii ...
Page 4: ...iii NT series Programmable Terminal Operation Manual Revised August 1997 ...
Page 5: ...iv ...
Page 7: ...vi ...
Page 11: ...x ...
Page 19: ...xviii ...
Page 129: ...110 ...
Page 169: ...150 ...
Page 253: ...234 ...