For many commands including those that require user entry of a parameter, this can be selected using the
arrow keys and the ENTER key. Press the HELP key (if the word HELP is present on the line of the com
-
mand highlighted) in reply to the prompt requiring entry of a parameter (file, programme, I/O point etc.). A list
of possible parameters to be used for that command will be displayed. Scrolling the list with the arrow keys,
select the item required, then press the ENTER key. In this way, the name of the item selected is displayed
as response to the prompt. If the right parameter has been selected, press the ENTER key to confirm the
prompt. To exit the HELP window without selecting a parameter, press PREV on the programming terminal,
or ESC on the keyboard with the PCINT programme active. To return to the command prompt, press TOP on
the programming terminal or SHIFT ESC on the keyboard with the PCINT programme active to return to the
main menu.
For some commands, pressing the HELP key after entering one or more characters after the prompt, only
the parameters whose initials correspond to the characters entered are displayed.
In the case of files, it is also possible to select the name of the device to be specified together with the name
of the file; this is possible pressing ENTER on the <device> item which is displayed as first element in the list
of possible files.
The response to a parameter prompt must be typed before pressing the ENTER key. The left and right arrow
keys can be used to move the cursor on the response line. The delete (DEL) key will delete the character
immediately before the cursor, while the left and right arrow keys pressed together with the SHIFT key move
the cursor to the beginning and end of the response respectively.
Character menu
On the programming terminal, a character menu is available to enter alphanumeric and symbolic characters.
To access this menu, press the CHAR key. The character menu overlays the command menu in the com
-
mand window.
Character menu on PTU4
Use the command menu keys (F1-F8) to select a character and press the ENTER key after entering the
data.
The delete (DEL) key erases one character at a time to the left of the cursor. Pressing the CHAR key again
returns to the command menu.
Asterisk
The asterisk (*) can be used in a parameter to replace the beginning, ending, or all of the parameter. It al
-
lows a single command to act on multiple items. For example, the MEMORY LOAD command requires a
programme name parameter, which can be replaced with an asterisk as follows:
ML * loads all programmes
ML arc* loads all programmes beginning with arc
Only one asterisk is allowed per parameter. This character cannot appear in the middle of the parameter. Not
all commands allow the asterisk to be used. Refer to individual command descriptions.
OPERATOR INTERFACE C3G Plus
3-22 00/1097
SYSTEM COMMANDS
File name (OPT):
EFGH IJKL MNOP QRST UVWX YZ$ symb
PROGR HOLD % 100 Arm: 1 **** Typ: Jnt - -
ABCD
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