Symbol PDT 8100 Series Product Reference Manual page 291

Note: Keys on the 28-key keyboard can have more than one letter value. To type
a letter, press the key again for the next letter in the sequence. For example,
to type the letter 'l', press the Alpha key once, then press the '5' key three
times within the allotted time frame.
Table E-1. 28-Key Keyboard Functionality
Default
Key State
1
2
Alpha Alpha,
State Shift State Shift State Func State
a
b
c
A
B
C
Keyboard Maps
VK
Code
(Decimal)
49
Lighten
screen
50
65
66
67
65
66
67
Darken
screen
ASCII
Value
(Decimal)
49
50
97
98
99
65
66
67
E-3