SIR 320 | SIR Infrared System |
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Volume control / memory function
The volume control is adjusted by “VOL ” and “VOL ”. During volume adjustment a dot will appear in the top left hand corner of the display to differentiate between volume and channel selection (without dot).
The minimum volume is displayed as “˙00”; maximum volume is displayed as “˙15” . The factory default setting is “˙01”. After use the receiver keeps its last settings. When used again the receiver defaults to these settings. This applies not only to the volume but also to the channel selection. When the volume settings are “˙00” or higher than “˙08” the receiver automatically reverts to the factory default setting of, “˙01” after
This allows the next user to initially hear the audio signal and to protect the users hearing during
The volume should not be at the maximum value (“˙15”) over a long period as this may affect or damage your hearing.
The receiver has an automatic gain control, which protects it from strong signals within a short distance of the IR radiator panel. A too wide distance between the IR radiator and receiver will result in background noise. An optimised IR radiator installation guarantees a good distribution of the IR- signal, resulting in reception without background noise.
Auto Switch-off function
The following will cause the receiver to switch off automatically:
•after approx. 15sec., when no headphone is connected or
•after approx. 60sec., when no infrared signal is received or
•directly, when you put it out of the charging tray
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