Chapter 5
Programming Via Escape Sequences
5–20
The transmission or suppression of the code ID characters is configurable.
Note: The Q escape sequence controls many different configuration options.
Make sure that all wanted options are included when the <n> number is
calculated.
Code ID Character Transmission Syntax
Esc – y <n> Q
Binary Value
Function
0
1
2
16*
All Functions Disabled
Code ID Characters Transmitted
No–Read Recognition On
ROM/RAM Self Test Enabled
Values of n: 0, 1, 2, 3, 16, 17, 18, 19
* Default
The default value of <n> is 16. The ROM/RAM self test is enabled.
No–read recognition is OFF and code ID characters are not transmitted.
Code ID Character Transmission Example
To enable the transmission of the code ID characters, send the following
escape sequence:
Esc – y 1 Q
Since the binary values for the no–read recognition (2), and ROM/RAM self
test (16) were not used in the construction of <n>, they will be disabled.
“Serial Port” refers to the Display Terminal and Host Computer port
communication parameters.
The parameters of the serial port may be changed by escape sequences or
configuration bar code symbols.
Baud Rate Parameters
The baud rate, used for communications to the serial ports, is programmable.
The available baud rates are:
• 600
• 1200
• 2400
• 4800
• 9600
• 19200
Code ID Character Transmission
Esc – y 1 Q
Serial Port Configuration
Esc – y <n> P
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