Electronic Reading Systems Ltd. Tel: 01234 855300 Fax: 01234 855446 Web: www.ers-online.co.uk
APPENDIX A GENERAL OPN2001 FUNCTIONS
A.1 LED & BUZZER INDICATORS
Charge Indicators.
The indications below are relevant when the OPN2001 is connected to a suitable
USB port or USB charger.
RED Continuous
Battery is charging
GREEN Continuous
Battery fully charged
RED/GREEN flashing
Battery may be defective.
LED Indicators
These indications below relate to scanning or clearing data using the OPN2001
GREEN flashing
Main trigger button pressed and laser is ON. The OPN2001
is ready to read a barcode
GREEN Continuous
Barcode was successfully read and stored in memory
RED Continuous
When Scanning - the barcode was read, but memory is full
so barcode has NOT been stored
When Clearing - The barcode was read but could not be
found in memory so it can NOT be deleted
ORANGE Flashing
Recessed ‘clear’ button pressed and laser is ON. The
barcode scanned will be deleted from memory
ORANGE continuous
Recessed clear button has been pressed for more than 6
seconds. All stored data will now be cleared
Buzzer Indicators
These indications relate to scanning or clearing data using the OPN2001
MEDIUM, HIGH, MEDIUM
When scanning - Barcode has been added to memory
When clearing - All codes have been cleared
When toggling buzzer - The buzzer is toggled ON
When connected to PC - The OPN2001 is connected to the
PC and the connect (or disconnect) command has been
received.
MEDIUM, LOW, MEDIUM
The OPN2001 has been disconnected from the PC but the
application did not disconnect from the OPN2001
2 X LOW, MEDIUM, LOW
All parameters have been set to default and all stored data
has been cleared
LOW, MEDIUM
When Clearing - The scanned barcode has been deleted
from memory
Long LOW
When clearing - The barcode was not found in memory so it
has not been deleted
HIGH, LOW
When scanning - The memory is full so the scanned
barcode has not been stored
