Intermec Janus 2050, Руководство пользователя

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JANUS 2050 Vehicle Mount Computer User’s Manual (4MB) 39
nugget
A
2-8
The mathematical symbols, which are listed above the number keys, are always
available. However, to access the cursor keys and numeric keys of the numeric
keypad, you must first enable the numeric keypad by pressing
f f e
.
When you enable the numeric keypad, the set of numeric keys on the JANUS
2050 act like a PC numeric keypad.
The numeric keypad has two states: Num Lock on and Num Lock off. You
toggle the Num Lock on and off by pressing
f e
. Switching between states
changes the function of the numeric keys.
Num Lock On With the Num Lock on, numbers are accessed by pressing the
desired numeric key. You can access the cursor functions (page up, page down,
etc.) by pressing
u
, and then the numeric key.
Num Lock Off
With the Num Lock off, you access the cursor functions by
pressing the desired key. You access numbers by pressing
u
and then the
desired key.
To exit and disable the numeric keypad, press
f f e
.
You can check if the numeric keypad is enabled or disabled by trying to enter
the shift character on a numeric key.
For example, if you press
u 5
and the JANUS 2050 displays:
% The numeric keypad is disabled.
5 The numeric keypad is enabled and the Num Lock is turned on.
nothing The numeric keypad is enabled and the Num Lock is turned off.
Entering ASCII Characters
You can enter ASCII characters from the ASCII extended character set using
the numeric keypad. For help, see the “Full ASCII Table” in Appendix A for
the values you can enter.
To enter an ASCII character
1. If you do not have the numeric keypad enabled, press
f f e
.
2. If you do not have the Num Lock turned on, press
f e
.
3. Press and hold the
a
key.
4. Enter the three-digit decimal ASCII value for the character. The value
cannot be larger than 255.
5. Release the
a
key.
6. To exit and disable the numeric keypad, press
f f e
.