M219 room amplifier | Re:connect |
(3) Voltage input IN | (from serial # 2000) |
Using the voltage input IN on the M219, the local audio input LOCAL IN 1 can be activated by the application of 5 – 24 VDC. This means that as soon as the voltage is present at IN, the M219 switches on automatically and selects the input LOCAL IN 1. When the voltage is removed from input IN, the M219 switches off again automatically, as long as no other source apart from LOCAL IN 1 was addressed.
With DIL switch (3), you can define whether the volume control is handled by the M219 (Floating Volume) or the connected (TV) device (Fixed Volume). With Fixed Volume, the M219’s volume control is deactivated and the audio signal at LOCAL IN 1 is transmitted with a fixed strength. In this way, volume control is carried out with the TV remote control.
The volume control setting set by DIL switch 3 only has an effect on the local audio input LOCAL IN 1. All other sources are unaffected and operate normally.
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| LOCAL IN 1 |
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| DIL switch |
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| DIL position |
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| 3 |
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| Floating Volume |
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| Off |
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| Fixed Volume |
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| On |
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Application: Many devices output a voltage as soon as they are switched on. If you connect the voltage output of such a device with the IN voltage input on the M219 and the audio output with the local audio input LOCAL IN 1, the M219 will switch on automatically with the other device and transmit the sound.
If your device doesn’t have a voltage output, you can supply voltage to the input using a
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