User's Manual
Table Of Contents
2021-09-23 
Hervey 
User manual 
RF406 
1.0 
Page 3 of 4 
2.1 For pairing 
 Button    is inside the battery cover for pairing. 
Federal Communications Commission (FCC) Statement 
You are cautioned that changes or modifications not expressly approved by the part responsible 
for compliance could void the user’s authority to operate the equipment. 
Th
is device complies with Part 15 of the FCC Rules. Operation is subject to the following two 
conditions: 
1) this device may not cause harmful interference, and
2) this  device must accept any interference received, including interference that may cause
undesired operation of the device. 
3 / 4 
for pairing 




