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Congratulations on purchasing your
Crescendo 50
amplifier. You have selected
a modern and reliable system. Please read through these operating instructions
carefully. They tell you how to set up the system correctly and explain all the
system’s features to you.
Standard components
Please check if all following components are included:
-
Crescendo 50
amplifier with internal microphone
- 2 x 1,5 V AA batteries
- Plug-in microphone (external microphone) with extension cable
- DIR-Headset with stereo plug
- Belt clip with neck cord
- Operating instructions
- Warranty card
If any parts are missing, please immediately contact your dealer or the manu-
facturer directly.
Operating principle
The
Crescendo 50
uses either the built-in microphone or the external micropho-
ne to pick up acoustic signals, amplifies them and emits them via the headpho-
ne jack. The amplifier is equipped with a pick up coil which enables you to
receive signals from an inductive loop system.
Inserting batteries
The amplifier is operated with 2 AA batteries (Type LR6 or AA).
The battery compartment is located at the back of the amplifier.
To insert the batteries:
1. To open the battery compartment, press the tab against the cover and then
lift the cover.
2. Insert the two batteries according to the polarity marks.
3. Close the battery compartment.
WARNING: The sound output levels from this system can be very high. It is
recommended that the volume control should be turned to the »OFF« posi-
tion before changing the battery or plugging in or unplugging the headpho-
nes or microphone.
English 9
crescendo_50:BA_cresc_190707 13.02.2009 12:30 Seite 9
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