User's Manual

2.2 Reader Stand Installation
Step1. Align and insert a reader stand to the fixture
holes at the back of a reader
Step2. Push the reader stand upward until hearing
a click sound
2.3 Installation Notice
Do not place the reader on a metallic surface to avoid interferences
3 LED Indicator
There are 4 LED indicators on a QProx. From left to right are blue, orange, green and red color LEDs
Status Description of LED Indicators
The states of the LED indicators are described below:
 After QProx is initialized and ready for transaction, the blue LED will light up.
The blue LED indicates the reader is ready for contactless card transactions
 The blue and yellow LED indicate that a card has been detected and the
transaction process is started.
 The blue, yellow and green LED indicate a SUCCESSFUL transaction.
 The red LED indicates transaction FAILURE or malfunction.
4 Contactless Card Landing Zone
The Land Zone icon is printed on the center of working area, which indicates the
correct location to detect user's card.