Foreword
I
Foreword
General
This manual introduces the structure, mounting process, and basic configuration of the device.
Model
VTO7541G and VTO7521G
VTO7541G: With face unlock, fingerprint unlock, and card unlock function.
VTO7521G: Only support card unlock.
Update Instruction
During update, keep the power on until the update is completed.
Safety Instructions
The following categorized signal words with defined meaning might appear in the manual.
Signal Words
Meaning
CAUTION
Indicates a potential risk which, if not avoided, could result in property
damage, data loss, lower performance, or unpredictable result.
NOTE
Provides additional information as the emphasis and supplement to the
text.
Revision History
Version
Revision Content
Release Date
V1.0.0
First release
July 2019
V1.0.1
Added waterproof operation in installation
November 2019
About the Manual
The manual is for reference only. If there is inconsistency between the manual and the
actual product, the actual product shall prevail.
We are not liable for any loss caused by the operations that do not comply with the manual.
The manual would be updated according to the latest laws and regulations of related
regions. For detailed information, see the paper manual, CD-ROM, QR code or our official
website. If there is inconsistency between paper manual and the electronic version, the
electronic version shall prevail.
All the designs and software are subject to change without prior written notice. The product
updates might cause some differences between the actual product and the manual. Please
