15
Chapter 1
Using mobile computer
This 24-key alphanumeric keypad enters numbers by default. The keypad’s alphabet key
switches the keypad to alphabetic input. A few symbols are supported when the
keypad sits in alphabetic input, whether uppercase or lowercase.
Press the [α] key (repeatedly) until the mobile computer shows an “A”, which we
might as well call “the alphabet icon”, at the lower-left of the screen. The keypad starts
to enter all caps and a few symbols without holding down the [α] key.
Press the [α] key
(repeatedly) until the mobile computer shows an “a”, which we
might as well call “the alphabet icon”, at the lower-left of the screen. The keypad starts
to enter all lowercase letters and a few symbols without holding down the [α] key.
Note the letter case doesn’t impact the symbols.
An overview of the alphabet icons and the keypad’s input mode:
Alphabet Icons
Keypad’s Input Mode
None Numbers, hyphen minus “-”, and dot “.”
A All uppercase letters and symbols
a All lowercase letters and symbols
When inputting alphabetic characters, the letters and the number printed on a key take
turn to show where the cursor is when you keep pressing that key; each press must not
exceed one second. For example, when you keep press the number key [2], the letters
“A”, “B”, “C” and the number “2” take turn to show for uppercase while “a”, “b”, “c” and
“2” will take turn to show for lowercase.
When you first press the number key [2], the letter “A” or “a” is produced.
When you press the number key [2] twice (the time interval must not exceed one
second), the letter “B” or “b” is produced.
When you press the number key [2] three times (the time interval between each
press must not exceed one second), the letter “C” or “c” is produced.
When you press the number key [2] four times (the time interval between each press
must not exceed one second), the number “2” is produced.
In order to get the desired character, you need to press the same key one to four times
(the time interval between each press must not exceed one second). Only when the
pressing stops for longer than one second or another key is pressed will the system send
out the due key code or change over to send another key code to the active application
program.
The [fn] key
is pressed with a number key. Upon your pressing [fn] key, its
associated icon F
displays at the bottom-left of the screen of the mobile computer. Press
the second key, say [5], to complete the key combination and produce [F5] function.
Then the icon F
goes off automatically.
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