Intermec VT220/ANSI, Руководство программиста

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SECTION 4
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RT1700 Radio Terminal
4-6 VT220/ANSI Terminal Emulation Programmer’s Reference Guide
Standard 57-Key Keyboard
The keys on the standard keyboard (Figure 4-1) are color-
coded according to function to make recognition and key
entry easier. Press the key in the upper left corner to turn
the radio terminal on. To turn it off, press the key for about
3 seconds. Following are the remaining keys and their
descriptions.
Key(s) Description
[A] -- [Z] Send letters a through z or A through Z, depending
on how the shift lock is set.
[SP] Sends one space.
[ ¬ ]
Sends a backspace or a delete key, depending on
how the firmware is set up.
The black key places the keyboard into black shift
mode.
The gold key places the keyboard into gold shift
mode.
[0] -- [9] Send numbers 0 through 9 or SS3 p through SS3 y,
depending on how the keypad mode is set.
The brown key in the lower left corner places the
key- board into keypad mode. Brown keys in the
top three rows do function, programmable function,
or scanning operations.
[ENTER] Sends CR, CR LF, or SS3 M, depending on terminal
mode settings.
[SCAN] The brown scan key enables an integrated scanner
to be operated after this key is pressed.
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NOTE: If you press an unlabeled key (such as the key to the left of the
brown [F5] key, or a shift key (black, gold, brown) plus a number or
letter (such as [BLACK]+[A]), the radio terminal will beep and flush
the type ahead buffer.