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PRODUCT INFORMATION MPC 70 USB
Thank you for selecting the MPC 70 USB acoustical
boundary condenser microphone. Please take some time
to read carefully through this product information before
using this product.
Applications
The MPC 70 USB has been developed for the connection
to computers with USB port. Therefore you can use it for
digital audio recordings in meetings, conferences or
discussions etc. with a maximum of 10 people.
Operation
The MPC 70 USB is switched on and off with a silent film
button. A red LED indicator shows the ready-to-talk
status. If the microphone is switched off the LED does not
illuminate. The functions are controlled by an 8 bit micro-
controller.
How to select the Operation Mode
The desired operation mode is set by the left hand
rotary switch with an appropriate screwdriver.
• Position PTM: The microphone is switched off as
long as the button is pressed (cough button).
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• Position
ON/OFF:
microphone is switched
on or off by pres s ing on
the middle of the film
button.
• Position PTT: The micro-
phone is switched on as
long as the but ton is
pressed.
How to set the Frequency Response
The frequency response mode is set by a slide switch.
• Position Lin. (up):
linear frequency response for highest fidelity of
reproduction. This is the normal position.
• Position 150 Hz (down):
bass roll-off-filter of 150 Hz with 6 dB/octave to
reduce low-frequency noise. This is useful in live rooms
or in noisy surroundings.
How to select the Gain
The desired gain is set by the right hand rotary switch
with an appropriate screwdriver.
-10 dB: for loud speakers and/or when the distance
between speaker and microphone is short
0 dB:
for normal applications
+10 dB: for quiet speakers and/or when the distance
between speaker and microphone is large
Operation with a PC
Due to system variability of computer hardware it is not
possible to determine general system requirements for an
optimum operation of the MPC 70 USB.
It not possible to guarantee the operation of the MPC 70
The
USB with any PC configuration.
In order to record meetings place the microphone e.g. in
the middle of the table. As the MPC 70 USB is a semi-
spherical acoustical boundary microphone that picks up
sound from all directions it is not necessary to take care for a
special pickup direction.
• Make sure that the microphone is not placed too
close to the PC so that the recording is not disturbed
by noise caused by the keyboard and/or mouse.
MPC 70 USB
Rear
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