What is the key difference between regular and smart transmitters?

• A. Regular transmitters are digital only.
• B. Smart transmitters can be calibrated with a communicator, while regular ones require manual calibration.
• C. Smart transmitters require solar power.
• D. Smart transmitters are louder in output signal.

Answer: (B)

Smart transmitters include digital communication and onboard processing that let you configure, calibrate, and diagnose the device from a communicator or software. This means calibration can be done remotely or in the field without removing the transmitter or taking the loop offline, and the transmitter can store calibration data and provide diagnostics. Regular transmitters, by contrast, rely on manual calibration and adjustments at the device or with separate test equipment, with no two-way digital communications. The ability to calibrate via a communicator is the defining difference. The other ideas—power source like solar or louder output—don’t define how the devices are calibrated or managed.