Behringer MULTIGATE PRO XR4400 Manual - Page 8

8 MULTIGATE PRO XR4400 User Manual Fig. 4.1: MULTIGATE PRO front panel Unbalanced ¼" TS connector strain relief clamp sleeve tip sleeve (ground/shield) 4. Controls The BEHRINGER MULTIGATE PRO has four channels. Each of these channels is equipped with 3 or 4 push-buttons, 6 rotary controls and 11 LEDs. 4.1 The front panel control elements (4) (6) (11) (12) tip (signal) Balanced ¼" TRS connector strain relief clamp sleeve ring tip (1) (2) (3) (5) (7) (8) (9) (10) Fig. 4.2: Control elements on the front panel sleeve ground/shield ring cold (-ve) tip hot (+ve) For connection of balanced and unbalanced plugs, ring and sleeve have to be bridged at the stereo plug. Balanced use with XLR connectors 21 3 input 1 = ground/shield 2 = hot (+ve) 3 = cold (-ve) 12 3 output For unbalanced use, pin 1 and pin 3 have to be bridged Fig. 3.2: Different plug types ◊ Never use unbalanced XLR connections with microphone cables, as this would short-circuit any phantom power transmitted over these cables! (1) The FREQUENCY control determines the lower limit frequency of the sidechain filter, and covers a range from 100 Hz to 10 kHz. (2) The BANDWIDTH control determines the slope or bandwidth of the sidechain filter. The bandwidth can be set within a range from 2.3 to 0.7 octaves, so as to realize even extremely narrow-band filter settings. (3) The FILTER control activates the parametric sidechain filter. To edit this filter there you can use the frequency and BW control. (4) The MONITOR switch establishes a link between the sidechain control signal and the audio output. As it also mutes the audio input signal the user can pre-monitor the parametric filter output, which makes it easier to tune the filter by ear. ◊ Please note that the MONITOR switch disables the channel's audio signal. (5) Use the THRESHOLD control to set the threshold point of the expander/ gate function within a range from BYPASS to +10 dBu. Signals below the threshold are reduced in level. When the signal drops below the threshold, the hold/release function starts reducing the signal to a level adjustable with the RANGE/RATIO control. ◊ Please note that the MULTIGATE PRO enters bypass mode, when the THRESHOLD control is set to its left stop position, i.e. all processing functions are disabled and the signal is routed directly from the input to the output. (6) This "traffic light" LED chain shows the current operating mode of the unit: the "+" LED (red) indicates that the sidechain signal is below the threshold, the HOLD LED (yellow) informs you that the hold circuit/release process has been activated, while the "-" LED (green) shows that the sidechain signal is above the threshold. (7) The HOLD control determines the delay applied to the starting point of the release process, after the signal has dropped below the threshold. The setting range is 0 to 4 seconds.