OUT OF SCANNING RANGE
Try adjusting the scanning distance from the scanner to the barcode.
CANNOT TRANSMIT/RECEIVE DATA
USING RS-232 CABLE
Check if the RS-232 connection is correct and secured.
Make sure the serial port parameters on the host are configured to match the serial
parameters on the mobile computer. Try to establish connection again.
If the problem persists, run the Echo Test to check if the RS-232 interface between
the mobile computer and the host is working. (See
USING USB CABLE
Check if the USB connection is correct and secured.
Check if the USB driver has been installed. (See
If the problem persists, run the Echo Test to check if the USB interface between the
mobile computer and the host is working. (See
Note: For applications that require COM port to be occupied all the time, it is suggested
to use 308 USB Virtual COM Interface cable instead.
VIA BLUETOOTH
Make sure the distance between the mobile computer and a target device is within
proper range. Try to establish connection again.
Check if the relevant settings are correct. (See
If the problem persists, run the Echo Test to check if the connection is working
properly. (See
3.10.4 Echo
Tests.)
Appendix II
3.3.6 Echo
Test.)
1.7 Charging &
Communications.)
3.3.6 Echo
Test.)
3.10 Bluetooth
Menu.)
Troubleshooting
93
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