Denso QK20-R, User Manual

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Chapter 1 Names and Functions
No. Name Function and Description
Scanning window Apply a code to be scanned to this window.
Indicator LEDs These four LEDs light blue when reading is complete and flash red if an error
occurs.
(Refer to Section 8.2 for details.)
Speaker hole The speaker sounds when reading is complete.
POWER LED This LED lights orange when the power is turned on.
Interface cable QK20-R: RS-232C interface cable
QK20-U: USB interface cable
The interface cable connects the scanner to a host computer or other host
equipment.
(Refer to Chapter 3 for the connection to the host and setting up of the USB
interface.)
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