Fosi Audio BT05, User Manual

Bypass Mode

Use the BYPASS function if your TV only has ONE OPTICAL/AUX 
Output which is currently occupied by your AV receiver or 
soundbar. Toggle between BYPASS and Bluetooth mode using a 
simple switch, no need to unplug any cable. In Bypass mode, 
BT05 can be used as a decoder to convert audio between 3.5mm 
AUX and optical output.

How to use?

Step 1: 

Connect DC in: Connect the AC power adapter (no 

               include, recommend using a 5V/1A or 5V/2A phone’s AC 
               adapter.) to DC In socket via the Type C cable, and BT05 
               turn on.

Step 2:

 Connect input & output: Use 3.5mm audio cable to 

               connect the “TX AUX” or use optical cable to connect the 
               “TX OPTICAL” as input, use another 3.5mm audio cable to 
               connect the “RX AUX” or use optical cable to connect the 
               “RX OPTICAL” as output.

Step 3:

 Switch Bypass mode: Long press [M] 2 seconds to switch 

               transmitter mode, Bypass light on.

Step 4: 

Switch Bypass channel: Long press [   ] 2 seconds to 

               switch Bypass channel. Please read the following table to      
               select the Bypass channel.