5-2
C
H
A
P
T
E
R
5:
A
D
D
I
T
I
O
N
A
L
M
A
N
A
G
E
M
E
N
T
U
S
I
N
G
VT100
Screen Components
The main part of a typical screen contains several
different types of item. This table gives an example of
each component, and explains its use:
Componen
t
De
scription
◆
Enabled
◆
Choice Field
T
ext enclosed in markers is a list, from which
you can select one option only.
To cycle through the options, press [Space].
[005634]
Entry Field
T
ext enclosed in square brackets on the screen
is an Entry Field.
E
ntry Field
s
allow
y
ou to
enter
d
ata from the keyboar
d, which m
ay be
text, decimal or hexadecimal data.
In some cases
there is
a default entry
.
To
replace the default
entry
, simply type in
the
n
ew value
over it.
P
assword entry fields are hidden
. Anything
typed is not shown on the screen.
To delete a single character, use [Delete] on a
VT100 terminal or [Backspace] on a PC.
Address:
Read-only
information
T
ext not enclosed in markers or square
brackets is information that you cannot
change.
OK
Button
T
ext for a button is shown in upper-case
letters. A button performs an action. A menu
screen such as the Main Menu consists of a
number of buttons arranged in a column.
Other screens have a row of buttons at the
bottom.
To select a button, move the cursor to the
button and press [Return].
The OK and CANCEL buttons appear on many
screens. OK updates the hub according to the
data in the fields of the screen, then returns
you to the previous screen. CANCEL returns
you to the previous screen without applying
any changes
monitor
manager
security
List Box
A
list box allows you to select one or more
items from a list. Selected items are indicated
by an asterisk (*) next to the item.
To select a single item, move the cursor
(using the arrow keys) until the item is
highlighted, then press [Return].
To select more than one item: for each item,
move the cursor until the item is highlighted,
then press [Space] to select the item (pressing
[Space] again deselects the item). When all the
desired items are selected, press [Return].
Componen
t
De
scription
16710.bk : MANVT100.FRM Page 2 Tuesday, October 7, 1997 11:38 AM
