10
IH21 Bluetooth UHF RFID Reader
Remove a MicroSD Card
1. Remove the trigger handle.
2. Remove the battery cover and battery.
3. Push and release the microSD card. The card will eject and can be removed.
Auto Run File (AUTO.TXT)
Once a SD card is installed, an Auto Run file can be created on the SD card. The
Auto Run file contains a list of ASCII commands that are executed as the reader
powers up. The file should be located at the root of the card and called “AUTO.TXT.”
Although the file can contain any valid ASCII 2 commands, one per line, it is
intended that these have the take no action ‘-x’ flag specified to allow the default
parameters for any command to be changed from the firmware defaults as the unit
boots without actually executing the command.
Example:
To change the carrier power of the inventory command from 29dBm to 20dm
‘.iv -o20 -x’ would be appended to the Auto Run file. As the behavior with command
parameters this will set the output power for the inventory command until a new
value is send with this command. Therefore, the inventories executed by the trigger,
which executes ‘.iv’ will use the modified output power.
The Auto Run file can be manually created on the card before it is inserted into the
reader or the ASCII 2 command Write Command to Auto Run File ‘.wa’ can be used.
The Read Auto Run File ‘.ra’ can be used to read back the contents of the Auto Run
file or delete the file from the card.
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