Art H131, User Manual

Page: 6 / 16

6
OPERATING INSTRUCTIONS
Before starting to equalize your sound system there is some information you should know and proce-
dures you should follow. Your equalizer is equipped with a bypass switch. The bypass switch, when
activated, lights the bypass LED and cancels all equalization settings while allowing signal to flow
directly through the unit at unity gain.
Also included is a range selection switch with LED indicators, +/-6dB = green, +/-12dB = yellow. In
addition to the range selection switch there is an output level control potentiometer. The level control
operates between off and +6dB. Note: If there is too much gain, your equalizer has a red LED Clip
indicator that illuminates when signals are within 6dB of clipping. If the Clip LED flashes occasionally,
this is okay, but if this LED is steadily on you should reduce the level control.
INITIAL SET UP
Here are some tips to help you with the initial set up:
1. Set channel output levels to the center detent 0dB on the front panel.
2. Select the Bypass switch to bypass the equalizer (Note: The red LED is on).
3. Set the frequency slide controls to the center detent (0dB).
4. Set the Hi Pass filter to 10Hz and the Low Pass filter to 40kHz.
5. Select the +/-6dB range (Note: The green LED is on).
6. Apply signal to the system and if the Clip LED is on, reduce your signal to the unit.
7. Release the bypass switch (Note: The red LED is off).
8. If the Clip LED is on, turn down the Output Level control.
9. You may now start equalizing your system.
10. If you do not have enough equalization control, switch the range switch to the 12dB setting.