The Terra TMA-230D is a small, lightweight, solid state Audio Panel and Marker Beacon Receiver. This model also contains a speaker isolation amplifier and a two station intercom. There are three unswitched audio inputs which may be used for warning or notification audio, such as a radar altimeter or traffic avoidance system. An Auto function automatically selects the audio from the currently selected transceiver.
If you are short on panel space, Terra's TMA-230D Audio Panel and Marker Beacon Receiver is a good choice. It is only 1.2" high, allowing it to fit almost any radio stack.
The TMA-230D has the following switch positions:
- 2 COMMs
- 2 NAVs
- AUX (for HF or telephone)