Manual Dial Sequence Activate the TIF listen key. Tap up to toggle listen on. The listen LED should be on. Make sure the TIF talk key is off (Talk LED off). On the keypad,...

The BP-325 looks simple from the outside, but several settings inside the beltpack change how the TALK buttons, headset routing, and rear LINE LOOP connector operate. Momentary Mode vs. Latching Mode Each TALK 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...