ProMA Series
User Manual
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Copyright©2022 ZKTECO CO., LTD. All rights reserved.
1
Instruction for Use
Before getting into the Device features and its functions, it is recommended to be familiar to the below
fundamentals.
1.1
How to scan the QR code?
Open the Mobile Credential of ZKBioSecurity App and parallel the phone screen to the device QR code
scanner.
Note:
Place your phone within 15 to 50cm of the device (distance depends on the size of the phone
screen), do not block the device QR code scanner and QR code in the phone screen.
1.2
Standing Position, Posture and Facial Expression
The recommended distance
The distance between the device and a user whose height is
in a range of 1.55m to 1.85m is recommended to be 0.3 to
2.5m. Users may slightly move forward or backward to
improve the quality of facial images captured.
