Grow GM73, User Manual

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Appendix 6: Serial Port Instruction
When the scanner is not working, it is in sleep mode.Under the sleep mode, need to wake up first,
then send the effective command. (Wake up command:0x00,50ms,then send the effective command)
To start decoding and stop decoding the serial port command needs to be valid in host mode.
Please switch to the host mode first.
Table 6-1
Name Instructions
CMD_ACK 04 D0 04 00 FF 28
CMD_NAK RESEND:05 D1 04 00 01 FF 25
BAD_CONTEXT:05 D1 04 00 02 FF
24
DENIED:05 D1 04 00 06 FF 20
DECODE_DATA None
LED_OFF 05 E8 04 00 01 FF 0E
LED_ON 05 E7 04 00 01 FF 0F
PARAM_DEFAULTS 04 C8 04 00 FF 30
PARAM_REQUEST Listed in the table below
PARAM_SEND Listed in the table below
REQUEST_REVISIO
N 04 A3 04 00 FF 55
REPLY_REVISION None
SCAN_DISABLE 04 EA 04 00 FF 0E
SCAN_ENABLE 04 E9 04 00 FF 0F
SLEEP 04 EB 04 00 FF 0D
START_DECODE 04 E4 04 00 FF 14
STOP_DECODE 04 E5 04 00 FF 13
WAKEUP None
RESET 04 FA 04 00 FE FE
Custom buzzer sound 05 E6 04 00 00 FF 11
05 E6 04 00 01 FF 10