Soft Key Applications; Using Soft Key Labels; Additional Control Functions; Bell - HP 2641A Reference Manual

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Terminal Control Functions
SOFT KEY APPLICATIONS
There are many applications of the soft keys. One applica-
tion is the creation of "menu" operations. For example, the
keys can be loaded with the escape sequences to find and
read various files on a tape cartridge.
Example: Program the soft keys to find a file on the left
tape drive and copy the file to the display. This can be done
using the following technique:
ESC
&
pnp1
s2C ESC
&
p3dF
where: n = the number of the
file to be read
To program the c::::I:J key to find and display file number 1
A third key could be used to log off of the system:
I T ]
=
BYEB
4 characters
\
ESC &
f
0 a 4 13K BYECR
/
\
Normal
Key
I T ]
USING SOFT KEY LABELS
The terminal comes with 5 blank soft key templates.
These templates can be labeled with the functions as-
signed to the soft keys. The template can be dropped over
the function key group for easy reference.
15 characters
Copy File
I
,
I '
ESC
&
f
1
IS
1 5 11K ESC
&
p I p 1
!l
2 C ESC
&
P 3 d F
I
I
,
I
Local
Key
c:::E:J
Find File 1
The same procedure could be used for the remaining func-
tion keys.
Another application would be to change the control set-
tings on the Keyboard Interface to configure the terminal
for use with different computer system.
Example: To program the CEJ key to change the settings
of Switches D, G, and H to open, closed, and open, the
following sequence could be used:
9 characters
open
\
/
\
ESC
&
f
1
a 9 1
2 K ESC
&
s 1 d 0
9
1 H
/
/
/
Local
Key
IT]
closed
ADDITIONAL CONTROL FUNCTIONS
In addition to the control settings there are several control
operations that can be controlled programmatically. These
control functions are as follows:
The soft keys can be used to hold log-on, program control,
and log-off messages. This makes it easier for the terminal
operator to use unfamiliar computer systems.
A second key could be used to call and execute a library
program:
CEJ
=
EXE-$TESTI
Example: A sample key assignment to log-on to the
Hewlett-Packard 2000 Series Timeshare System might be
as follows:
o=:J = HEL-C500,PASWRD,3
B
11 characters
~
ESC
&
f
~
a
~
1
1
~
K EXE-HEST1 CR
II
Normal
Key
CEJ
.
Program Down Loading - ESC & b or ESC & c
Modem Disconnect -
ESC f
e
Send Display - ESC d
Wait - ESC
@
Keyboard Disable -
ESC c
Keyboard Enable -
ESC b
Reset Terminal (Soft) -
ESC g
Reset Terminal (Full) -
ESC E
Turn On Monitor Mode - ESC y
Terminal Self-Test -
ESC z
Data Comm Self-Test - ESC x
Bell -
Gc
1 K HEL-CSOO,PASWRD, 3CR
\
Key [
f,
I
18 characters
\
ESC
&
f
0
a
1 8 1
/
Normal
3-4

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