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About the Anti-Feedback Function
How to Use Anti-Feedback
Anti-feedback is enabled only for MIC input.
When Using a Mic Stand
Both the mic characteristics and the characteristics of the
surrounding environment can be compensated for.
1.
Set up and connect the SA-1000 and the mic.
• Set up the SA-1000 and the mic in the positions they will
be used.
• Adjust the height of the mic stand and the angle of the
mic.
• Set the SA-1000’s VOLUME knob to the level actually to
be used in performance.
2.
Press the ANTI-FEEDBACK ON/OFF button so its
indicator is lit.
3.
Hold down the ANTI-FEEDBACK AUTO button for at
least one second.
The indicator flashes, and the sound of the calibration
signal is output from the speaker.
The calibration signal is set automatically in accordance
with the mic position and volume setting.
* Be aware that the sound output is relatively loud.
* To increase measurement accuracy, keep the surroundings as
quiet as possible.
When measurement and analysis are finished and the
feedback prevention processing is completed, the
indicator stops flashing and remains lit.
When Using a Handheld Mic
Only the mic conditions can be corrected.
1.
Press the ANTI-FEEDBACK ON/OFF button so its
indicator is lit.
2.
Set up and connect the SA-1000 and the mic.
• Set the SA-1000’s VOLUME knob to the level actually to
be used in performance.
• To accurately measure the mic characteristics, keep the
mic, whether held by hand or mounted on a stand, fixed
in the position shown below. To setting up the mic
position, please be careful of feedback.
(1) Angle: Directly facing the front of the SA-1000
(2) Distance: Approx. 50 cm (20 inches)
(3) Height: 120 cm (48 inches) or more (Height
during actual use)
(4)
Mic Direction:
Level and directed at the SA-1000
fig.03-10
3.
Hold down the ANTI-FEEDBACK AUTO button for at
least one second.
The indicator flashes, and the sound of the calibration
signal is output from the speaker.
The calibration signal is set automatically in accordance
with the position of the mic and the volume setting.
* Take care not to stand between or leave any object obstructing
the space between the mic and the SA-1000.
* To increase measurement accuracy, keep the surroundings as
quiet as possible.
When measurement and analysis are finished and the
feedback prevention processing is completed, the
indicator stops flashing and remains lit.
(2)
Approx. 50 cm (20 inches)
(3)
120 cm
(48 inches)
or more
(1,4)
SA-1000_r_e.book 16ページ ２００７年１０月１日 月曜日 午後１時５２分