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Installation Manual

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Chapter 4 ������������ ��� �������<br />

Audio input characteristics:<br />

Input impedance : 600 Ohms<br />

Fuse characteristics:<br />

- Max. power : 10 W<br />

- Max. voltage : 60 V<br />

- Max. current : 500 mA<br />

The contacts of the alarm and doorphone controls have the same electrical<br />

characteristics as those indicated above.<br />

4.2.1.7.2 Connecting a background music tuner<br />

This is connected via the AUDIN input of the AUDIO-IN connector.<br />

Audio input characteristics:<br />

- Input impedance : 600 Ohms<br />

- Input level: access + 4.7 dBr or + 15 dBr<br />

4-16 ������������ � ����� � ����� ���� � ������������ ������

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