User's Manual

User manual
Guangzhou Andea Electronics Technology Co., Ltd. 25/26
http://www.gzandea.com
Figure 29 Noise check
➢ Interference source analysis
(1) Power adapter: laptop power supply, display power supply, LED light power
supply, surveillance camera power supply, electric car charger, power supply of other
electric equipment.
(2) Card reader with the same frequency band: access card reader, desktop card
issuer.
(3) Motor equipment.
➢ Troubleshooting
Turn on the Noise Detection function, and switch off the power of the interference
source one by one. At the same time, observe changes of the interface waveform, in
order to determine the interference source.
8. Technical Support
➢ Download link for development data and testing
https://www.gzandea.com/download.php
➢ Call for equipment debugging and technical support
Mobile phone: [phone]
Fixed telephone: [phone]