BP-325 Belt-Pack Intercom Station – Call Button

The CALL button gets someone’s attention on an intercom channel. It sends a call signal to compatible stations; it does not turn on the microphone. The TALK button still handles the conversation.

Sending a Call Signal

1. Turn on TALK for the channel you want to call. The green talk LED should be lit.
2. Press and hold CALL. The red call LED will remain lit while the signal is being sent.
3. When someone responds, release CALL and talk normally.
4. Turn off TALK when the conversation is finished.

Receiving a Call Signal

1. The red call LED will flash on the channel receiving the call.
2. If the TALK LED is also flashing, turn on TALK to answer.
3. If the TALK LED is not flashing, TALK is already on. Begin speaking.

Sending a Talk-Off Signal

Talk-Off lets a BP-325 remotely turn off a latched TALK button on another compatible station. This is useful when an unattended microphone has been left open and is adding noise to the intercom channel.

1. Turn off both TALK buttons on the sending BP-325.
2. Tap CALL three times quickly. The red call LED will remain on for about two seconds.
3. While the red LED is on, briefly press TALK for the affected channel. The remote TALK button should turn off.

Talk-Off settings: On a BP-325, DIP switch 6 enables Talk-Off transmit and DIP switch 8 enables Talk-Off receive. Both are ON from the factory. Talk-Off is compatible with the BP-325, MCE325, and MRT327.

See the A2Sound BP-325 Configuration guide for the DIP-switch locations and other internal settings.