c if the distance between the transmitter and the
receiver is too long.
d if the reception is disturbed by objects in the
transmission path.
The transmitter and the receiver should have a
minimum distance of 50 cm from metal objects
and any sources of interference, e. g. motors or
fluorescent tubes.
e if the reception can be improved by turning the
antennas.
5) Speak / sing into the microphone and match the out-
put level of the receiver by means of the volume
control VOL (7) to the input of the subsequent unit.
Regardless of the adjustment of the control VOL,
the audio signal LED AF (6) lights to the rhythm of
the audio signal received.
When using the pocket transmitter PT-850B/ 2,
adjust its input sensitivity with the GAIN control
(see instruction manual of the transmitter).
6) After operation, switch off the receiver with the
POWER switch. Remember to switch off the trans-
mitter(s) as well, otherwise the batteries will be
exhausted the next time the system is used.
If the receiver is not used for a longer period,
disconnect the power supply unit from the mains as
it will have a low power consumption even with the
receiver switched off.
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be reproduced in any form or by any means for any commercial use.
®
INTERNATIONAL GmbH & Co. KG. No part of this instruction manual may
6 Specifications
Type of unit: . . . . . . . . . PLL multifrequency receiver
Radio frequency range: . 740 – 764 MHz,
Audio frequency range: . 40 – 18 000 Hz
THD: . . . . . . . . . . . . . . . < 0.6 %
Dynamic range: . . . . . . . > 105 dB
Audio outputs
XLR, bal.: . . . . . . . . . 40 mV
6.3 mm jack, unbal.: . 150 mV
Ambient temperature: . . 0 – 40 °C
Power supply: . . . . . . . . via the power supply unit
Dimensions
(w / o antennas): . . . . . . 210 × 40 × 170 mm
Weight
US-8001D/ 2: . . . . . . . 455 g
US-8002D/ 2: . . . . . . . 500 g
Subject to technical modification.
®
with diversity and pilot tone
technique
divided into 16 channels
(→ table, page 8)
supplied connected to
230 V~ / 50 Hz
9