4. During configuration, the motor and laser turn off. YOU CANNOT SCAN A
BAR CODE WHILE IN SERIAL CONFIGURATION MODE.
5. There is a 20 second window between commands. If a 20 second timeout
occurs, the scanner will send a [nak] and you must start over.
6. To enter serial configuration mode, send the following command
[stx]999999[etx].
7. To exit serial configuration mode, send the following command
[stx]999999[etx], the scanner will respond with an [ack] followed by 3 beeps.
8. This mode uses the current Baud Rate, Parity, Stop Bits and Data Bits
settings that are configured in the scanner. The default settings of the
scanner are 9600, Space, 2, 7 respectively. If a command is sent to the
scanner to change any of these settings, the change will NOT take effect
until after serial configuration mode is exited.
EXAMPLE #2:
The following example will set the scanner to the factory default settings,
Disable Scanning of Code 128 bar codes, change the beeper tone, and add
a “G” as a configurable prefix.
FEATURE
HOST
COMMAND
ASCII
REPRESENTATION
SCANNER
RESPONSE
02h 39h 39h 39h 39h 39h 39h 03h [ack] or 06h
02h 39h 39h 39h 39h 39h 38h 03h [ack] or 06h
02h 31h 30h 30h 31h 31h 33h 03h [ack] or 06h
02h 33h 31h 38h 35h 36h 35h 03h [ack] or 06h
02h 39h 30h 33h 35h 30h 30h 03h [ack] or 06h
02h 30h 03h [ack] or 06h
02h 37h 03h [ack] or 06h
02h 31h 03h [ack] or 06h
nfiguration Mode
02h 39h 39h 39h 39h 39h 39h 03h [ack] or 06h
The scanner will beep three times!
The commands sent to the scanner do not include the small superscripted
three (
3
) that you see in front of each bar code string in the MetroSelect
manual. THE THREE (
3
) SHOULD NOT BE SENT. IT IS A CODE TYPE
DESIGNATION ONLY!
For commands requiring additional bar codes to be scanned (such as
prefixes, suffixes, timeouts, etc.), simply send the code bytes in the same
order that you would normally scan the bar codes.
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