This manual covers the ULTRAGRAPH PRO series of graphic equalizers (FBQ1502, FBQ3102, FBQ6200) produced by Behringer. It introduces the FBQ feedback detection system, limiter, noise generator and low‑frequency output features, and explains how the units can be used in live sound, monitoring and studio environments.
Key sections include important safety notices, front‑panel and rear‑panel control descriptions, rack‑mount installation, audio connection wiring, voltage selection, and detailed operating procedures for each model. The document also provides warranty information and contact details for service. This manual is written in Chinese.
| Gain adjustment range per channel | +6 to +12 dB |
|---|---|
| Number of bands per channel (FBQ3102) | 31 |
| Number of faders (FBQ6200) | 62 |
| Low‑cut filter range | 2.5 Hz–30 kHz |
Press the FBQ key; the system lights the corresponding fader LEDs to show the feedback frequencies.
Do not remove the top or rear cover, keep the unit away from moisture, ensure proper ventilation, ground the equipment, and use the correct voltage setting before connecting power.
The FBQ6200 is equipped with 62 faders, each 45 mm long.