23
10
Have an assistant speak normally into the microphone and gradually increase the
Microphone 1
gain
control knob on the AP-60 until the notch on the gain control knob is facing straight up.
11
Press the Volume
+
button on the AP-60 remote control while speaking into the microphone. Continue
pressing the button until you hear feedback (howling).
12
Press the Volume
–
button until the feedback stops, then press the Volume
–
button four or five more times.
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
Line 1
gain control knob on AP-60 until the Line 1 audio is slightly quieter than the
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
•
•
“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