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8-Channel Receiver for
Wireless Microphones
These instructions are intended for users with-
out any specific technical knowledge . Please
read these instructions carefully prior to op-
eration and keep them for later reference .
All operating elements and connections
described can be found on the fold-out
page 3 .
1 Overview
1 Display to indicate
– the channel group (GROUP 00 – 09)
– the channel (CHANNEL 00 – 99)
The corresponding frequencies can be
found in the table on pages 20 / 21 .
– the signal level (VOL 00 – 63) used to
add the microphone signal of the re-
ceiver section to the jack LINE OUT (14)
– the RF signal strength (
2 Indicators ANTENNA A and B:
Indicate which of the two antennas re-
ceives the radio signal of higher strength .
3 Signal indicator AF (Audio Frequency):
Indicates reception of a microphone signal
when a specific volume has been reached .
4 IR LED to send infrared signals for setting
the channel of the wireless microphone
5 Button ACT
1 . To send infrared signals for setting the
channel of the wireless microphone:
Press the button briefly .
2 . To automatically scan a free receiving
channel: Keep the button pressed until
the display indicates the scan mode
(
) .
6 Button SET: To change the channel group,
the channel number or the mixing ratio of
the microphone signals at the jack LINE
OUT (14), press the button SET repeatedly
until the corresponding digits start flash-
ing on the display . As long as the digits
keep flashing, use the button or (7)
to make the setting .
7 Buttons and to set the channel
group, the channel number and the mix-
ing ratio of the microphone signals
8 Mounting holes: Use the appropriate jacks
and connection cables to install the anten-
nas (9) on the front side of the receiver .
9 Receiving antennas A and B
10 POWER button
1 . To switch on, keep the button pressed
until the displays light up .
2 . To switch off, keep the button pressed
until OFF appears on the displays .
11 Antenna jacks
12 Control SQUELCH to set the threshold
value for interference suppression
(one each for the receiver sections 1– 8)
13 XLR audio output for connection to a
microphone input
(one each for the receiver sections 1– 8)
6
14 Audio output (6 .3 mm jack) for the mixed
signal of the receiver sections 1– 8, for
connection to a line input
15 Power supply jack to connect the power
supply unit provided
16 Strain relief for the cable of the power
supply unit
2 Safety Notes
The units (receiver and power supply unit)
correspond to all relevant directives of the EU
and are therefore marked with
WARNING The power supply unit uses
•
The units are suitable for indoor use only .
Protect them against dripping water, splash
)
water and high air humidity . The admissible
ambient temperature range is 0 – 40 °C .
•
Do not place any vessels filled with liquid,
e . g . drinking glasses, on the units .
•
Immediately disconnect the power supply
unit from the mains socket if
1 . the receiver or the power supply unit is
visibly damaged,
2 . a defect might have occurred after a
unit was dropped or suffered a similar
accident,
3 . malfunctions occur .
In any case the units must be repaired by
skilled personnel .
•
For cleaning only use a dry, soft cloth; never
use water or chemicals .
•
No guarantee claims for the units and no
liability for any resulting personal damage
or material damage will be accepted if the
units are used for other purposes than
originally intended, if they are not correctly
connected or operated, or if they are not
repaired in an expert way .
If the units are to be put out of
operation definitely, dispose of the
units in accordance with local reg-
ulations .
3 Applications
Combined with up to eight wireless micro-
phones, the 8-channel receiver TXS-686
creates a wireless audio transmission system
ideally suited for conferences as well as for
musicians and live performances on stage .
The True Diversity* receiver uses the UHF
range 672 .000 – 696 .975 MHz .
* True Diversity technology: The signal sent from
the wireless microphone is received by two anten-
nas and amplified in two separate receiver sections .
The signal of the highest power is then processed .
Frequency setting via the ACT function (Auto-
matic Channel Targeting) is a most convenient
feature: Simply press a button to set the wire-
less microphone via IR signal to the channel
selected on the receiver .
.
dangerous mains voltage .
Leave servicing to skilled
personnel; inexpert handling
may result in electric shock .
3.1 Accessories
The following wireless microphones from IMG
STAGE LINE can be used together with the
TXS-686:
Item
Type
TXS-606DT/ 2
Wireless desktop microphone
Pocket transmitter for
TXS-606HSE / 2
microphones with
3-pole mini XLR plug
Hand-held
TXS-606HT/ 2
wireless microphone
Pocket transmitter with
TXS-606LT/ 2
tie-clip microphone
The wireless microphones use the frequency
range 672 .000 – 691 .975 MHz .
3.2 Conformity and approval
Herewith, MONACOR INTERNATIONAL de-
clare that the product TXS-686 complies with
the directive 2014 / 53 / EU . The EU declaration
of conformity is available on the Internet:
www .img-stageline .com
Restrictions or requirements apply in the
following countries:
CZ
DE
EL
IT
LT
MT
The regulations of the country where the
product is operated must always be observed .
Prior to operating the product, please contact
the MONACOR subsidiary or the correspond-
ing authorities of the respective country . Links
to the national authorities can be found via
the following Internet address:
www .cept .org
tECC
tTopics
tOther spectrum topics: SRD Regulations
and indicative list of equipment sub-classes
tEFIS and National Frequency Tables
4 Operation
4.1 Setting up, connecting and
switching on the receiver
Prior to connecting / disconnecting, switch off
all units concerned .
1) The receiver is designed for installation into
a rack (482 mm /19"); however, it can also
be placed on a table . For installation into a
rack, two rack spaces (89 mm) are required .
2) Insert the two receiving antennas (9) sup-
plied into the antenna jacks ANT A and
ANT B (11) . To lock the antennas, turn
the knurled ring of the plug clockwise to
the stop . Then place the antennas into a
vertical position . To remove the antennas,
turn the ring counter-clockwise .
The mounting holes (8) can be used to
install the antennas on the front side by
means of the appropriate jacks (e . g . BNC-
1511) and connection cables (e . g . RTF-1) .
The mounting brackets TXS-100BNC
can be used to install the antennas outside
the rack, e . g . if there is not enough space
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