
Musikhaus Thomann e.K.
Treppendorf 30
96138 Burgebrach
Germany
Telephone: +49 (0) 9546 9223-0
E-mail: info@thomann.de
Internet: www.thomann.de
28.11.2013

Table of contents
1 General notes............................................................................................................................................... 5
2 Safety instructions..................................................................................................................................... 7
3 Features....................................................................................................................................................... 11
4 Installation and starting up................................................................................................................ 13
4.1 General information........................................................................................................................ 13
4.2 Receiver............................................................................................................................................... 15
4.3 Transmitter......................................................................................................................................... 19
5 Connections and operating elements........................................................................................... 21
5.1 Receiver............................................................................................................................................... 21
5.2 Transmitter......................................................................................................................................... 29
6 Operating.................................................................................................................................................... 34
6.1 Receiver............................................................................................................................................... 34
6.2 Transmitter......................................................................................................................................... 37
7 Troubleshooting...................................................................................................................................... 42
Table of contents
free solo PT
3

8 Technical specifications....................................................................................................................... 45
8.1 Transmitter......................................................................................................................................... 45
8.2 Receiver............................................................................................................................................... 48
9 Protecting the environment.............................................................................................................. 49
Table of contents
UHF wireless system
4

1
General notes
This user manual contains important information on safe operation of the device. Read and
follow all safety notes and all instructions. Save this manual for future reference. Make sure
that it is available to all persons using this device. If you sell the device, include the manual for
the next owner.
Our products are subject to a process of continuous development. We therefore reserve the
right to make changes without notice.
This section provides an overview of the symbols and signal words used in this user manual.Symbols and signal words
General notes
free solo PT
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Signal word Meaning
DANGER! This combination of symbol and signal word
indicates an immediate dangerous situation
that will result in death or serious injury if it is
not avoided.
NOTICE! This combination of symbol and signal word
indicates a possible dangerous situation that
can result in material and environmental
damage if it is not avoided.
Warning signs Type of danger
Warning – danger zone.
General notes
UHF wireless system
6

2
Safety instructions
This device is intended to be used for the wireless transmission of audio signals from micro‐
phones or instruments to amplifiers or active speakers. Use the device only as described in this
user manual. Any other use or use under other operating conditions is considered to be
improper and may result in personal injury or property damage. No liability will be assumed for
damages resulting from improper use.
This device may be used only by persons with sufficient physical, sensorial, and intellectual
abilities and having corresponding knowledge and experience. Other persons may use this
device only if they are supervised or instructed by a person who is responsible for their safety.
Intended use
Safety instructions
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DANGER!
Danger for children
Ensure that plastic bags, packaging, etc. are disposed of properly and are not
within reach of babies and young children. Choking hazard!
Ensure that children do not detach any small parts (e.g. knobs or the like) from
the unit. They could swallow the pieces and choke!
Never let children unattended use electrical devices.
NOTICE!
Operating conditions
This device has been designed for indoor use only. To prevent damage, never
expose the device to any liquid or moisture. Avoid direct sunlight, heavy dirt, and
strong vibrations.
Safety
Safety instructions
UHF wireless system
8

NOTICE!
External power supply
The device is powered by an external power supply. Before connecting the
external power supply, ensure that the input voltage (AC outlet) matches the
voltage rating of the device and that the AC outlet is protected by a residual cur‐
rent circuit breaker. Failure to do so could result in damage to the device and pos‐
sibly the user.
Unplug the external power supply before electrical storms occur and when the
device is unused for long periods of time to reduce the risk of electric shock or
fire.
NOTICE!
Risk of fire due to incorrect polarity
Incorrectly inserted batteries may destroy the device or the batteries.
Ensure that proper polarity is observed when inserting batteries.
Safety instructions
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NOTICE!
Possible damage by leaking batteries
Leaking batteries can cause permanent damage to the device.
Take batteries out of the device if it is not going to be used for a longer period.
Safety instructions
UHF wireless system
10

3
Features
The UHF Wireless System is especially suited for professional audio transmission, for example
at events, on rock stages and concert podiums, in theatres, musicals and discos.
Your UHF Wireless System free solo PT is comprised of the following components:
n 9.5" diversity receiver
– Two antennas for optimum reception quality
– Automatic frequency scanning
– Infrared interface for the transfer of the frequency selection from the receiver to the
transmitter
– Very high sensitivity at very high Signal-to-Noise Ratio
– Adjustable Squelch
– Outputs: XLR, 1/4" phone socket
– Mounting brackets for mounting in a 19" rack
– Operating voltage supply: DC 12 V , a suitable power supply is included
n Transmitter: battery powered bodypack transmitter
Features
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The system operates with pre-programmed frequency groups and one configurable frequency
group (user bank). The following table shows the available pre-programmed groups and the
number of pro-programmed frequencies. One channel is available in the configurable fre‐
quency group.
Model Pre-programmed fre‐
quency groups
Number of available
channels
the t.bone free solo PT 600 MHz (item no. 296201) 14 15
the t.bone free solo PT 740 MHz (item no. 296203) 3 12
the t.bone free solo PT 823 MHz (item no. 296204) 8 8
the t.bone free solo PT 863 MHz (item no. 296206) 1 3
the t.bone free solo PT 1.8 GHz (item no. 323196) 16 12
Features
UHF wireless system
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4
Installation and starting up
4.1
General information
Unpack and carefully check that there is no transportation damage before using the unit. Keep
the equipment packaging. To fully protect the device against vibration, dust and moisture
during transportation or storage use the original packaging or your own packaging material
suitable for transport or storage, respectively.
Establish all connections as long as the unit is switched off. Use the shortest possible highquality cables for all connections.
Installation and starting up
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n This device utilizes frequencies that are not harmonized within the European Union (EU)
and therefore may only be used in certain EU member states. In all European countries, the
frequencies used for the transmission of audio signals are strictly regulated. Before you
start, make sure the frequencies are allowed in the respective country and check whether
the operation must be reported to the appropriate authority.
n Make sure that transmitter and receiver are both tuned to the same channel.
n Never set multiple transmitters to the same channel.
n Make sure that there are no metal objects between the transmitter and receiver.
n Avoid interference from other radio or in-ear systems.
Notes on wireless transmission
Installation and starting up
UHF wireless system
14

4.2
Receiver
An XLR chassis socket serves as signal output on the receiver. Drawing and table indicate the
XLR pin assignment (balanced wiring).
1 Ground, shielding
2 Positive signal (+)
3 Negative signal (–)
XLR connection for signal
output on the receiver
Installation and starting up
free solo PT
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A 1/4" phone socket (TS) serves as signal output on the receiver. Drawing and table indicate
the pin assignment of a suitable plug.
1 Signal
2 Ground, shielding
The device is 19" rack mountable, it occupies 1 rack unit (RU). Necessary mounting material is
enclosed.
Phone plug for signal output on
the receiver
Rack mounting
Installation and starting up
UHF wireless system
16

NOTICE!
External power supply
The device is powered by an external power supply. Before connecting the
external power supply, ensure that the input voltage (AC outlet) matches the
voltage rating of the device and that the AC outlet is protected by a residual cur‐
rent circuit breaker. Failure to do so could result in damage to the device and pos‐
sibly the user.
Unplug the external power supply before electrical storms occur and when the
device is unused for long periods of time to reduce the risk of electric shock or
fire.
First, connect the power supply to the receiver and then plug the power adapter into the
power outlet.
Connecting the power supply
Installation and starting up
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Attach the supplied antennas to the rear panel of the receiver. To improve transmission quality
and to adapt to the spatial conditions the antennas are rotatable and swivelling.
If the space for the direct mounting of the antennas on the unit is not sufficient, for example,
because of restricted space in the rack, you can use the optional coaxial cable to mount the
antennas separated from the unit. For larger configurations with up to four receivers, the
usage of the optional antenna distributor is appropriate.
Connect one of the audio outputs of the receiver to your mixing console or amplifier. Make
sure that only one of both output is used at a time. Otherwise, malfunction may occur.
Mounting antennas
Audio connection and starting
up
Installation and starting up
UHF wireless system
18

4.3
Transmitter
A mini XLR chassis plug serves as signal input on the transmitter. Drawing and table indicate
the mini XLR pin assignment.
1 Ground, shielding
2 Positive signal (+)
3 Negative signal (–)
Slide the cover of the battery compartment into arrow direction to open it. Insert the batteries
respecting the correct polarity. Close the battery compartment and turn the transmitter on.
The ‘LOW BATT’ LED briefly lights up.
Mini XLR connection for signal
input on the transmitter
Inserting batteries into the
transmitter
Installation and starting up
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n Make sure that the transmitter is switched off.
n Connect the microphone or instrument cable to the input of the transmitter (mini XLR
chassis plug).
n Turn on the transmitter and test the transmission with the microphone or the instrument.
If necessary, adjust the gain of the transmitter and the levels on your mixer or your amp.
Connecting a microphone or
instrument to the transmitter
Installation and starting up
UHF wireless system
20

5
Connections and operating elements
5.1
Receiver
Front panel
Connections and operating elements
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1 POWER
Press the button for several seconds to turn the unit on or off.
All previous settings are saved even if you turn off the power and disconnect the unit from the mains.
2 Infrared sensor.
3 [ADS] button
Starts the synchronization of the settings with the transmitter.
4 Display.
5 [SET] button
Opens up the menu.
6
button
Increases the displayed value by one.
7
button
Decreases the displayed value by one.
Connections and operating elements
UHF wireless system
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8 [AUTO] button
Starts the automatic search for a free channel.
12, 13 Calibrated UHF antennas.
The receiver evaluates the radio signal received by both antennas and selects the signal with the higher quality for
further processing.
Connections and operating elements
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Rear panel
Connections and operating elements
UHF wireless system
24

9 DC 12-18V
Socket to connect the supplied mains adapter. If you use a different power supply, observe the correct voltage, the
polarity of the plug and the power consumption.
10 BALANCED OUTPUT
XLR chassis connector as balanced audio signal output for direct connection to a mixer, a power amplifier or
recording device.
11 UNBALANCED OUTPUT
1/4" phone socket as unbalanced audio signal output for direct connection to a mixer, a power amplifier or recording
device.
12, 13 ANTENNA-B, ANTENNA-A
Calibrated UHF antennas.
The receiver evaluates the radio signal coming from both antennas and selects the signal with the higher quality for
further processing.
14 Indication of the frequency range in which the device operates. The indication here must match the specification on
the transmitter.
Connections and operating elements
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Display
Connections and operating elements
UHF wireless system
26

15 GP
Indicates the selected frequency group.
16 CH
Indicates the selected channel.
17
Indicates that the unit is locked to prevent unintentional operation.
18
Indicates that the unit is muted.
19 A/B
Indicates which of both antennas is currently used for signal transmission.
20 SQ
Displays the adjusted level of the squelch for the radio signal. A too high squelch level reduces the dynamics of the
system.
21 RF
Indicates the level of the received radio signal.
Connections and operating elements
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22 Shows the battery status of the transmitter from which the device is currently receiving a signal.
23 AUTO
Indicates that the automatic search for a free channel is running.
24 IR
Indicates that an IR signal is received.
25 FREQUENCY
Indication of the frequency that is assigned to the set combination of frequency group and channel.
26 AF
Audio level indicator.
Connections and operating elements
UHF wireless system
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5.2
Transmitter
Front panel
Connections and operating elements
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31 Display.
32 Antenna.
33 MUTE LED
Indicates that the unit is muted.
34 BATT LOW / ON LED
Flashes when the battery level is too low.
35 [SET] button
Opens up the menu.
36
/ buttons
Increases or decreases the currently shown value.
37 Battery holder for two AA cells (LR06), 1.5 V, or equivalent rechargeable batteries.
38 IR
Infrared sensor.
Connections and operating elements
UHF wireless system
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39 INPUT
Mini XLR chassis plug to connect a microphone or instrument.
40 Main switch
Press the button for several seconds to turn the unit on or off. Briefly press the
button to mute the input.
41 Indication of the frequency range in which the device operates. The indication here
must match the specification on the rear panel of the receiver.
42 Belt clip.
Connections and operating elements
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51 FREQUENCY / GP / CH
Depending on the selected menu item:
n Indication of the frequency that is assigned to the set combination of fre‐
quency group and channel.
n Indication of the set frequency group and the selected channel.
52
Indicates that the unit is locked to prevent unintentional operation.
53 GAIN
Indicates the level of the transmitted radio signal.
54 Battery status display. Replace the batteries as soon as only one flashing cursor is
left in the display. If the voltage of the batteries drops even further, the transmitter
will automatically shut off. The battery status is also shown on the receiver.
Connections and operating elements
UHF wireless system
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55
Indicates that the transmitter is muted. This is the case when transmitter and
receiver operate on different frequencies, if the receiver does not receive a usable
signal or if you have muted the transmitter by briefly pressing the main switch.
56 Indicates the output power.
Connections and operating elements
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6
Operating
6.1
Receiver
1. Press [SET].
ð
The GP display is flashing.
2. Use the arrow keys to select the frequency group.
Press [SET] to confirm the selection.
ð
The CH display is flashing.
3. Use the arrow keys to select a channel within the selected frequency group.
If you have selected the frequency group ‘U’, you can directly set the frequency using
the arrow keys in steps of 25 kHz. First, set the value to the left of the decimal point, then
press [SET] and after that set the value to the right of the decimal point.
Press [SET] to confirm the selection.
Selecting the frequency
Operating
UHF wireless system
34

ð
The display indicates that the receiver is being calibrated to a new frequency. After a
few seconds the display will return to the default state.
1. Open the transmitter to uncover the infrared sensor.
2. Press [ADS]. The IR display is flashing.
3. Within ten seconds, hold the infrared sensor of the transmitter close to the infrared inter‐
face of the receiver.
4. The IR display stops flashing when the synchronisation is successfully completed.
ð
After three seconds, the display returns to the default state.
Synchronising transmitter and
receiver
Operating
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35

1. Press [SET] as long until the SQ area is flashing in the display.
2. Use the arrow keys to set the desired value. The current value is shown on the right side
of the display.
3. Press [SET] to confirm the selection.
ð
After three seconds, the display returns to the default state.
1. Press [AUTO].
ð
The AUTO display is flashing, the display shows the number of available free chan‐
nels.
2. Use the arrow keys to select one of the free channels.
Press [SET] to confirm the selection.
ð
After three seconds, the display returns to the default state.
3. If the system does not find a free channel within five seconds, it automatically returns to
the default state.
Setting the squelch
Automatic search for a free
channel
Operating
UHF wireless system
36

1.
Press [SET] as long until the symbol appears.
ð
All buttons are locked except the main switch.
2.
To turn the key lock off, press as long until the symbol disappears.
ð
The buttons have regained their original function.
6.2
Transmitter
The operating buttons of the device are located under the front side flap.
Turning key lock on or off
Operating
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37

If you don't want to synchronise the transmitter via the infrared interface with the receiver, you
can also set the transmission frequency manually in the configurable frequency group (user
bank).
1. Press [SET] repeatedly until the value in the GP field of the display is flashing.
2. Use the arrow keys to select the frequency group.
Press [SET] to confirm the selection.
ð
The figure in the CH field is flashing.
3. Use the arrow keys to select a channel within the set frequency group.
If you have selected the frequency group ‘U’, you can directly set the frequency using
the arrow keys. First, set the value to the left of the decimal point, then press [SET] and
after that set the value to the right of the decimal point.
Press [SET] to confirm the selection.
ð
After a few seconds the display will return to the default state.
Frequency selecting
Operating
UHF wireless system
38

1. Press [SET] repeatedly until the figure in the GAIN field is flashing.
2. Use the arrow keys to adjust the transmission gain in increments of 3 dB (–9 dB, –6 dB,
–3 dB, 0 dB, 3 dB).
Press [SET] to confirm the selection. Press the main switch to exit the menu without any
changes.
1.
Press [SET] repeatedly until the symbol is flashing in the display.
2. Use the arrow keys to change the transmitting power (5 mW, 10 mW, 20 mW).
Press [SET] to confirm the selection. Press the main switch to exit the menu without any
changes.
Setting transmission gain
Setting transmitting power
Operating
free solo PT
39

1.
Press .
ð
The display indicates the used frequency group und the used channel.
2. Press [SET] or wait for five seconds to return to the default state.
Press as long until the symbol appears.
ð
All buttons are locked, except the main switch.
Frequency group and channel
display
Turning key lock on
Operating
UHF wireless system
40

1.
To turn the key lock off press and then [SET].
ð
The symbol is flashing.
2.
Press again and then [SET].
3.
Press a third time and then [SET].
ð
The symbol disappears. The buttons have regained their original function.
Turning key lock off
Operating
free solo PT
41

7
Troubleshooting
In the following we list a few common problems that may occur during operation. We give you
some suggestions for easy troubleshooting:
Troubleshooting
UHF wireless system
42

Symptom Remedy
No sound 1. Check the power supply of the transmitter and receiver.
2. Make sure that both transmitter and receiver operate in the same frequency
range. The frequency range is stated on the devices.
3. Are both transmitter and receiver set to the same channel?
4. Check the connection between the receiver and the connected audio device
(amp, mixer). Is the connected audio device switched on and does the signal
level on the output of the receiver match the input sensitivity of the audio
device?
5. Try to improve the transmission by moving the transmitter closer to the
receiver.
6. Make sure that no metal objects near the transmitter or receiver obstruct the
transmission.
Transmission is disturbed 1. Modify the orientation of the antennas.
2. If you use more than one wireless system at the same time, check the used
frequencies and channels.
3. Interference can also be caused by other radio or in-ear systems.
Troubleshooting
free solo PT
43

If the procedures recommended above do not succeed, please contact our Service Center. You
can find the contact information at www.thomann.de.
Troubleshooting
UHF wireless system
44

8
Technical specifications
8.1
Transmitter
Carrier frequency UHF band (600 MHz…1.8 GHz)
Frequency band the t.bone free solo PT 600 MHz (item no. 296201): 596 MHz…620 MHz
the t.bone free solo PT 740 MHz (item no. 296203): 740 MHz…752 MHz
the t.bone free solo PT 823 MHz (item no. 296204): 823 MHz…832 MHz
the t.bone free solo PT 863 MHz (item no. 296206): 863 MHz…865 MHz
the t.bone free solo PT 1.8 GHz (item no. 323196): 1.7815 GHz…1.7955 GHz
Bandbreite the t.bone free solo PT 600 MHz (item no. 296201): 24 MHz
the t.bone free solo PT 740 MHz (item no. 296203): 12 MHz
the t.bone free solo PT 823 MHz (item no. 296204): 9 MHz
the t.bone free solo PT 863 MHz (item no. 296206): 3 MHz
Technical specifications
free solo PT
45

the t.bone free solo PT 1.8 GHz (item no. 323196): 140 MHz
Number of channels the t.bone free solo PT 600 MHz (item no. 296201): 211
the t.bone free solo PT 740 MHz (item no. 296203): 37
the t.bone free solo PT 823 MHz (item no. 296204): 65
the t.bone free solo PT 863 MHz (item no. 296206): 4
the t.bone free solo PT 1.8 GHz (item no. 323196): 192
Switching bandwidth 25 kHz
Modulation type Frequency modulation (FM)
Maximum transmission power the t.bone free solo PT 600 MHz (item no. 296201): 20 mW
the t.bone free solo PT 740 MHz (item no. 296203): 20 mW
the t.bone free solo PT 823 MHz (item no. 296204): 20 mW
the t.bone free solo PT 863 MHz (item no. 296206): 10 mW
the t.bone free solo PT 1.8 GHz (item no. 323196): 20 mW
Spurious response rejection > 55 dBc
Technical specifications
UHF wireless system
46

Peak deviation ± 55 kHz
NF frequency response
60 Hz…18 kHz
THD < 0.5 %
Signal-to-noise ratio > 102 dB (A)
Operating supply voltage 2 AA cells (LR06, 1.5 V) or equivalent rechargeable batteries
Battery life span > 8 h (with alkaline cells)
Dimensions (W × D × H, without antennas) 64 mm × 23 mm × 98 mm
Weight 90 g
Technical specifications
free solo PT
47

8.2
Receiver
Outputs XLR chassis plug, balanced
1/4" phone socket, unbalanced
Sensitivity –102 dBm
NF frequency response
50 Hz…15 kHz (±3 dB)
THD < 0.8 %
Signal-to-noise ratio > 105 dB (A)
Operating supply voltage
DC 12 V
Dimensions (W × D × H, without antennas) 212 mm × 160 mm × 44 mm
Weight 900 g
Carrier frequency, frequency band, number of channels, bandwidth, switching bandwidth and
modulation type of receiver and transmitter are identical.
Technical specifications
UHF wireless system
48

9
Protecting the environment
For the transport and protective packaging, environmentally friendly materials have been
chosen that can be supplied to normal recycling.
Ensure that plastic bags, packaging, etc. are properly disposed of.
Do not just dispose these materials with your normal household waste, but make sure that
they are fed to a recovery. Please follow the notes and markings on the packaging.
Batteries must not be disposed of as domestic waste or thrown into fire. Dispose of the bat‐
teries according to national or local regulations regarding hazardous waste. To protect the
environment, dispose of empty batteries at your retail store or at appropriate collection sites.
Disposal of the packaging mate‐
rial
Disposal of batteries
Protecting the environment
free solo PT
49

This product is subject to the European Waste Electrical and Electronic Equipment Directive
(WEEE). Do not dispose with your normal household waste.
Dispose this device through an approved waste disposal firm or through your local waste
facility. When discarding the device, comply with the rules and regulations that apply in your
country. If in doubt, consult your local waste disposal facility.
Disposal of your old device
Protecting the environment
UHF wireless system
50

Musikhaus Thomann e.K. · Treppendorf 30 · 96138 Burgebrach · Germany · www.thomann.de