6
The XLR input connector is balanced and wired as Pin 1=Ground, Pin 2=+, Pin 3= -.
NOTE: Only one of these sockets can be used for audio connection at the same time.
14. Remote Power Supply Input Socket
This is the remote AC power supply input socket for the EQ3231F. It is a special three cores socket.
The model for this power supply adapter is “YH-18A-1000”. In order to make your EQ-3231F work in a
stable and safe condition, please use this special power supply adapter we provide.
Installation
Remove all packing materials from the EQ-3231F. Check that all foam and plastic padding is removed.
Screw the equipment into a 19" rack. Connect all cables.
Always disconnect from electric mains power supply before cleaning or servicing.
Damages caused by non-observance are not subject to warranty.
Set Up and Operation
Before plugging the unit in, always make sure that the power supply matches the product specification
voltage. Do not attempt to operate a 120V specification product on 240V power, or vice versa.
Install this device on a flat surface, not bending or curved.
Do not supply power before all components of the system are set up and connected properly.
If you want to filtrate a frequency below 40 Hz, you have to use the “FILTER” button.
The feedback indicator of the EQ-3231F only hints a feedback frequency of the highest feedback level at the
same time. When more than two LEDs are illuminated as several feedback frequency levels are
approached, you can adjust “DISPLAY THRESHOLD” to select the biggest level in several frequencies.
Sometimes, the level of feedback frequency is lower than the indicated level (0dB). However if you want to
view the point, you can use “DISPLAY THRESHOLD” to lower the feedback threshold level until the LED of
the EQ is illuminated.
Don’t adjust two neighboring frequency points, which are far away from each other. Otherwise, it will result
in a frequency deflection.
For example: If 1 Khz is increased + 15 dB, and 1.6 Khz is reduced to –15 dB. In fact, a frequency of 800 Hz
– 1.25 Khz is increased 15 dB and a frequency of 1.6 Khz – 2.5 Khz is reduced 15 dB. This is a
phenomenon of an equalizer.
On the next page you will find an example how to connect the equalizer to your equipment.
(129 pages)
(16 pages)
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