Inovonics Model 531 Off-Air FM Mod-Monitor

The Inovonics 531, at a very affordable price, provides as accurate measurement of FM signal parameters whilst on air

• Built-in preselector for precise off-air measurements.
• Seven station presets may be recalled by remote control.
• Bright, accurate bargraph metering:
  Total Modulation
  Stereo Program Audio
  Subcarrier Injection
  Incidental AM Noise
  Signal Strength and Multipath
• Alarm tally outputs for remote fault indicators.

Incorporating all the necessary features at a very affordable price, Inovonics' 531 is the undisputed value leader in an FM Mod-Monitor.

Dependable off-air monitoring lets you keep an eye on other stations in the market as well as measuring the important parameters of your own signal.

High-resolution bargraph displays are easy to read, and a "floating dot" program peak marker eliminates any ambiguity in the total-mod measurement.

Off-air readings are qualified by Inovonics' exclusive multipath indicator, which also aids in antenna alignment.