Rice-lake 880 Performance Series Indicator/Controller Techni Manual de usuario Pagina 97

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Ethernet and USB 91
9.2 USB Host
9.2.1 Using a USB Keyboard
A USB keyboard will be detectable after plugging it in, no configuration will be required.
Table 9-1. USB Keyboard Key Descriptions
Key Options Description
Caps Lock Off
On
Press key to toggle between On/Off. When on, alpha keys will display in upper case. Not
user co
nfigurable.
Note
Holding a Shift key and then pressing an alpha key with caps lock on, will
give that key's lower case version
Num Lock On
Off
Press key to toggle between On/Off. When on, numeric keypad will be available.
Not user configurable.
Arrows -- Used to navigate through the menu.
Alphanumeric -- Available when a string prompt is open.
Numeric -- Available when a numeric prompt is open.
Modifiers Ctrl
Alt
Shift
Modify another key press. There is no difference betwe
en the left and right modifier keys.
Example: Shift + a displays
an "A" to the application.
Key Alt Key Function
F1 n/a No base function
F2 n/a No base function
F3 n/a No base function
F4 n/a No base function
F5 n/a No base function
F6 Alt+z ZERO key
F7 Alt+g GROSS/NET key
F8 Alt+t TARE key
F9 Alt+u UNITS key
F10 Alt+p PRINT key
F11 n/a Not used
F12 n/a MENU key
Esc n/a CANCEL key
Print Screen n/a PRINT key
Home n/a HOME key (move to the start of a string entry)
End n/a END key (move to the end of a string entry)
Delete n/a DELETE key (delete the current character and move any tra
iling characters left one character. If
it was the last character in a string then move the character highlight left one position)
Backspace n/a CLEAR key (if not at the first character in a str
ing, move left one character and then remove
that character)
Figure 9-5. USB Keyboard Function Keys
Note
In weigh mode, with no prompt open, enter a numeric value and press Tare on the 880 to perform a keyed tare. On a
keyboard press F8 or Alt + t.
When editing a string, a keyboard can be used to directly edit the string while at the top level. Pressing any a
lphanumeric
key will insert the appropriate character in the current position. If the down arrow key is pressed (either on the 880 or the
keyboard) then the left/right arrow keys will be used to select the current character.
In weigh mode, the keyboard enter key and arrow key
s do not perform like the Tare/Enter key or the arrows 880 keypad.
• Except for the Alt+ key combinations listed in the Key Functions table and support for Shift+ key, no other key
combina
tions are supported - some common Windows key combinations as examples: Ctrl+C does not perform a copy,
Ctrl+V does not perform a paste, etc.
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