User's Manual

4-inch Visible Light Terminal User Manual
Page | 8 Copyright©2020 ZKTECO CO., LTD. All rights reserved.
2 Instruction for Use
Before getting into the Device features and its functions, it is recommended to be familiar to the below
fundamentals.
Standing Position, Posture and Facial Expression 2.1
 The recommended distance
 Recommended Standing Posture and Facial Expression
Standing Posture Facial Expression
NOTE: Please keep your facial expression and standing posture natural while enrolment or verification.
The distance between the device and a user whose height is
in a range of 1.55m-1.85m is recommended to be 0.3-2m.
Users may slightly move forward or backward to improve
the quality of facial images captured.