The Belar FMS-2 Stereo Modulation Monitor is a precision solid-state device designed to work seamlessly with the Belar Model FMM-2 baseband modulation monitor. Primarily used for stereo FM transmitters, the FMS-2 also serves essential test functions to ensure the proper operation of stereo broadcasting systems.
Key Features:
- Independent Half-Peak Modulation Meters:
- Two separate meters for simultaneous monitoring of the left and right channels.
- Allows for precise measurement and monitoring of stereo modulation.
- Switchable Front Panel De-emphasis:
- Facilitates noise measurements by providing the option to switch de-emphasis on the front panel.
- Enhances versatility for various testing scenarios.
- Pilot Alarm:
- Features a front-panel indicator for quick identification of issues related to the pilot signal.
- Aids in monitoring and maintaining optimal stereo performance.
- Outputs for Audio Performance Test Measurements:
- Provides dedicated outputs for conducting audio performance tests, ensuring comprehensive signal analysis.
- Two Auto-ranging Voltmeters:
- Integrated voltmeters with LED displays for automatic range measurements ranging from 0 to -80 dB.
- Enhances test and measurement capabilities for channel spacing, crosstalk, subcarrier, and noise suppression.
- Stereo Separation Measurement Capability:
- Achieves over 70 dB of stereo separation at 15 kHz.
- Demonstrates high fidelity in reproducing stereo signals with minimal interference.
- High Visibility Backlit Meters:
- Backlit meters ensure easy readability in various lighting conditions.
- Enhances user experience during monitoring and measurement tasks.
The FMS-2, when used in conjunction with the FMM-2, offers a comprehensive solution for testing and monitoring stereo FM transmitters. Its advanced features, including independent modulation meters, auto-ranging voltmeters, and stereo separation measurement capabilities, make it a valuable tool for broadcasting professionals, ensuring the accurate performance of stereo broadcasting systems.
