Johansson 6506 User Manual page 11


Turn the button to select the Attenuator mode.
‐ Push the rotary button to enter the selected mode.
‐ Turn the button to set the level, variable from 30 dB to 0 dB
‐ Push the button to confirm.
Each input has a 20 dB switchable amplifier.
This is used as additional 20 dB attenuator for high levels up to 95 dBµV.
Input Amplifier
To switch off the input amplifier.
- Select the input to be attenuated.

Turn the button to select the Filter‐Input Selection mode.
‐ Push the rotary button to enter the selected mode.
Repeat all steps from this example of level setting to set all levels
The LED is green.
The LED is now RED colored.
Note:
'30' is for maximum gain,
'18' indicates 12 dB attenuator.
The LED is green.
The LED is green.
The LED is now RED colored.
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