In order to correctly use the bar code scanner, please read
the instruction carefully and do not arbitrarily scan the
settings code otherwise some settings may not be available
temporarily.
Please keep this instruction for future reference .
If you have any question or concern about the operation of
the scanner, please contact us at following Email:
server@nadamoo.cn
nadamoo@126.com
You are suggested to write down the model & the specific
scenario and contact us if you find the scanner abnormal.