Alphanumeric Input: When save a file that need key in alphanumeric, this
series is use the Edit Key. The first time pressing is number, the second to
fourth pressing each meaning follow the number key from left to right side
of the top capital, For example as below:
Key Key Pressed LCD Display
1 1 1
1 1
1 2 1A
1 1A
1 3 1AB
Move Click[←][↑][→][↓]to move cursor
Confirmation Press [Enter]to confirm
Test/Exit Press [TEST]to start test,[Exit] to exit
Shift Press [Shift] to launch alternative function