Connecting Multiple Scanner
Up to 3 scanners can be paired with and connected to 1 cradle connected to a host
PC. When different barcode data are scanned by the 3 scanners at the same time,
the cradle will send the barcode data respectively scanned by the 3 scanners to a
PC. Different Prefix/Suffix per scanner will allow which scanner has sent the data.
Wireless connection to cradle
USB Interface
PS2 Interface
RS232 Interface
If multiple scanners are connected to the Host PC, in cradle-less mode, the data
will be mixed up (simultaneous scan).
LED / Beeper Indication for Scanner
LED Indication for Scanner
The LED lights on the MS840 scanner turn on to indicate the status of the battery, a
successful read of a barcode, or the status of the wireless connection.
MS840 Lights: The status LED turns green, blue, or red to indicate the status of the battery
and scanning.
LED Light State What it means
Blue LED blinks per 3 seconds Trigger is pressed to power on the scanner.
Red LED flashes per 5 seconds Low battery power
Red LED on
1. Barcode reading when the trigger is pressed
2. Battery charging when the scanner is set on the cradle
Green LED flashes Successful barcode reading
Blue LED fast blinks and then turns off Successful pairing/connection/reconnection (Cradle mode)
Blue LED turns off and Green LED blinks Successful connection
Green LED turns off and Blue LED blinks Disconnection caused by the radio connection lost
Blue LED slow blinks Disconnect (out of range)
Green LED blinks Entering barcode setting mode
Green LED on
1. Exiting barcode setting mode
2. Battery charging completion
3. Successful in-range reading in batch mode
4. Successful data transfer in batch mode
5. Successful in-range reading when the buffer mode is disabled
Green and blue LEDs blink Pin code setting (waiting to enter a pin code)
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