8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control
The associated input LED lights up, the matrix will temporarily route the audio input from the selected channel to audio output #1 and monitor its level on the front panel. Any other outputs tied to this selected input channel stay connected during this adjustment procedure.
The installer can connect an external VU meter to output #1 or rely on the front panel (bottom row of lights) that act as a digital VU meter.
Notes about VU Meter Function
The front panel VU meter function is available on both the 16x16 and the 8x8 units with audio. However, the matrices do not change the volume level. The user can do that at the source and use the matrix to monitor the level. The bar indicator is for the left input (tip on
The bottom row of 8 or 16 LEDs indicate the sound level. Position 10 (or 5 for 8x8 matrix) is used to correspond to 0 VU (desired peak level).
Figure 10 –Comparison with Analog VU meter on 16x16 Matrix
Figure 11 – Graph of VU dB level versus LED bar length
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