Sennheiser MO 2000 Set Connecting the optical microphone, Switching the central unit on/off

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OPTICAL MIC

INPUT

1 2

Connecting the optical microphone

CAUTION! Risk of damage to fiber optic cable!

Fiber optic cable must not be bent like conventional cable!

￿ When installing fiber optic cable, make sure not to bend it beyond a bend radius of 50 mm.

￿Before connecting the optical microphone, remove the protections caps from the microphone connections 1 and 2 of the central unit. Keep the protection caps in a safe place for reuse during transport or storage. They protect the microphone connections against dirt.

￿ Connect the duplex connector of the optical microphone to the micro- phone connections 1 and 2 of the central unit. Please observe the correct insertion direction of the connector. The duplex connector is connected the correct way round when the label on the connector is facing downwards as shown.

Switching the central unit on/off

After connection to the mains, the device switches on automatically and the ON button lights up.

￿ Press the ON button to switch the MO 2000 CU central unit on or off.

Note:

If the power supply is interrupted for several seconds (e.g. due to a power failure), the device switches on automatically even if it was switched off before.

Adjusting the sensitivity

 

 

 

 

With the microphone connected and both the gain switch

and the level

 

 

 

 

control set to 0 dB, the specified sensitivity (mV/Pa) is obtained.

 

 

 

 

￿ Use the gain switch

to increase the output voltage level by 20 dB

0

20

40

+/- 15dB

(tenfold increase) or 40 dB (hundredfold increase).

 

 

0

 

 

dB

 

OVERLOAD

￿ Use the level control

to steplessly adjust the output voltage level

 

GAIN

 

LEVEL

between –15 dB and +15 dB.

 

 

 

 

 

 

0 20 40

+/- 15dB

 

0

 

OVERLOAD

dB

LEVEL

GAIN

￿

Overload indication

The OVERLOAD LED indicates both positive and negative voltage peaks.

If the OVERLOAD LED

lights up:

￿ Use the gain control

and/or the level control to reduce the output

voltage level so that the OVERLOAD LED no longer lights up.

9

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Contents Overload Page Contents Rack mounting Safety instructionsUse of the MO 2000 CU central unit Intended use of the device ServiceOperation MO 2000 Set Delivery includes Overload LED Product overview MO 2000 SetRack mounting Setting up the devicePutting the system into operation Fitting the device feetConnecting the amplifier Connecting the mains unitOverload indication Connecting the optical microphoneSwitching the central unit on/off Adjusting the sensitivityCat.-No. Accessory Care and maintenanceAccessories To clean the MO 2000 CU central unitMO 2000 H optical microphone SpecificationsMO 2000 CU central unit Optical transducer optional Connector assignmentFrequency response curve Connection fiber optic cable extension optionalStatements regarding FCC and industry Canada WarrantyManufacturer Declarations CE Declaration of ConformityPage