Sennheiser Set SET 820 Instruction Manual download pdf (Page 19)

Additional information for hearing aid acousticians

Adjusting the earbow pressure

Loosen the screw at the rear of the stethoset receiver.

Move the screw in the long hole to the desired position

(continuously adjustable).

1 = Low earbow pressure

2 = High earbow pressure

Tighten the screw.

Adjustments for hearing disabilities

Turn the operating control fully counterclockwise (0). Remove

the operating control by carefully lifting it over the "guide

notch" on the inside. Use the 4 potentiometers on the circuit

board to individually adjust the max. volume and the bass

response for the left and right headphone system.

Max. volume RMax. volume L

Bass response R

Bass response L

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Sennheiser Set SET 820 Instruction Manual Page 19