CMB 3.102V - Intercom - How to listen & talk back to research subject via intercom

To listen to research subject

Listen and adjust volume on KB-702GM

To talk to research subject

Make sure Channel Select is set to Channel A

Press BOTH Call and Talk buttons at the same time and talk while holding.

Release to listen again.

To talk to facilitator

Make sure Channel Select is set to Channel B

Press BOTH Call and Talk buttons at the same time and talk while holding.

Release and set CH Select back to CHA to listen again.

Facilitator earbuds

Each lab has it's own wireless transmitter. 

The receivers can receive either labs intercom, so make sure the lab you are in is the channel you want to hear.


The transmitter and receiver(s) should match like this:

(BOTH on CHANNEL 1 75.5MHz)

or this:

(BOTH on CHANNEL 2 75.9MHz)