Abbingdon Music Research AM-777 Manuale d'uso - Pagina 15

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•

Confirm the warning message by pressing Volume+ or press OK to exit without enabling

Bypass mode

•

Then select one of the following settings using Volume+/Volume -

Fixed Input 4V, Fixed Input 2V or Fixed Input 1V

•

Press OK key on the remote to store the new fixed input Level

Warning: When setting a fixed input level the volume control of the AM-777 is

bypassed! The volume control must be handled by the source connected.

4.2

OptiProtect® Speaker Overload Protection

Within OptiProtect® the AM-777 has an in-built speaker protection circuit.

If there are any

questions,

This is mainly a final safeguard against equipment failure and/or extreme levels of over-driving the amplifier

please contact

and speakers. When the display shows:

your nearest

AMR distributor/

dealer

S p

This indicates that the AM-777 has detected an output condition that could potentially damage the

speakers connected to it.

Normally switching the AM-777 off, waiting 20 seconds and switching it back on will reset the protection

circuit if the cause was for example, excessive signal levels. In the extremely rare event that an internal

malfunction of the AM-777 is the cause for the protection circuit to engage, the protection will re-engage

on switch-on, indicating the need for the AM-777 to be serviced.

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