10 Have an assistant speak normally into the microphone and gradually increase the
control knob on the AP-60 until the notch on the gain control knob is facing straight up.
11 Press the Volume
+
pressing the button until you hear feedback (howling).
12 Press the Volume
button until the feedback stops, then press the Volume
–
Note
If you hear feedback at low volume levels, remove the audio control panel from the AP-60 (see page 15) and set the
Set the ANTFD switch to the Low or Hi position.
If your room is highly reflective, you may hear a ringing sound when using the AP-60. To reduce the ringing sound,
remove the audio control panel from the AP-60 (see page 15) and set the HF switch to the On position.
13 If you have a second microphone, be sure to set it to Channel 2 and repeat steps 9 and10. When you're
done, the microphones should be the same volume level.
14 Adjust the volume control on the audio device that is connected to Line 1 so that it is 50 to 75 percent of
maximum volume. If your audio device does not have a volume adjustment, continue with step 15.
15 Have an assistant play audio from the device that is connected to Line 1 while speaking into the
microphone.
16 Adjust the
gain control knob on AP-60 until the Line 1 audio is slightly quieter than the
Line 1
microphone audio.
17 Repeat steps 14 to 16 for the audio source connected to Line 2.
18 Have an assistant play audio from the device that is connected to Line 1 or Line 2.
19 Adjust the Balance setting on the AP-60 so that the sound is directed towards the students/audience and
away from where the speaker will be standing.
Solving Problems
If you're having a problem with the AP-60, check for a solution in one of these sections:
•
"Basic Operation Problems"below
•
"Sound Problems" on page 24
•
"Problems Using the Pendant Microphone" on page 25
•
"Problems Using the Remote Control" on page 25
If you cannot solve the problem on your own, contact Epson for help.
Microphone 1 gain control knob
button on the AP-60 remote control while speaking into the microphone. Continue
23
gain
Microphone 1
button four or five more times.
–
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