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Micro TX-SX
User Guide
Transmitter and Microphone
0681
!
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Welcome
The Micro TX-SX is a highly flexible multi-frequency
FM transmitter which has been developed for use
with the Guide-U system.
To obtain maximum benefit from the Micro TX-SX
transmitter and its comprehensive features,
please read this user guide carefully.
Contact us if you have any questions. Enjoy the benefits
of the Micro TX-SX.
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Contents
Instrument description
Micro TX-SX
MM8
6
6
8
How your Micro TX-SX works
9
Charging Micro TX-SX
Standard charging
10
10
Getting started
Wearing Micro TX-SX
Switching Micro TX-SX on
14
14
16
Microphone muting
17
Changing the channel
18
Keypad lock
20
Connecting to other media devices
21
Connecting the microphone
23
4
Operating range
25
FM receivers
Fundamental benefits of
multi-frequency receivers
26
Troubleshooting
28
Important points
30
Declaration of conformity
32
26
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Instrument description
햲
Micro TX-SX
햲 On / Off (long time press) and
Microphone muting (short time press)
햳 Direct frequency synchronization
햴 Channel selection
햲
햴
햳
LCD
햲 Keypad lock
햳 Channel in use
햴 Battery status indication
햲
햴
6
33
햳
햴
햵
햳
햲
햳
햴
햵
Rubber coat
Audio input socket
Label for your initials
Charging socket (red ring)
햲
Clip
햲
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How your Micro TX-SX works
Instrument description
MM8
Directional
OFF
Omnidirectional
The tour guide is
wearing Micro TX-SX
with the
Boom-microphone or
MM8 microphone.
The visitors are wearing
guide-U receivers.
MM8 is a very flexible miniature lapel microphone
which can be used in an omnidirectional or directional
mode. See details on page 17.
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Charging Micro TX-SX
The battery is almost
dead and needs to be
charged as soon as
possible.
The battery is completely
dead and needs to be
charged immediately.
a) Fully charge the battery of the Micro TX-SX before
using the transmitter for the first time. An empty
Micro TX-SX battery is
• 80% charged after 3.5 hours and
• 100% charged in 4.5 hours
if the Micro TX-SX is switched off during charging.
If Micro TX-SX is in use during charging, it is 100%
charged in about 6 hours.
Plug the Micro TX-SX battery charger into an easy
accessible wall power socket.
Standard charging
The Micro TX-SX can be charged while switched
off or while switched on, e.g. while transmitting the
sound.
!
10
Use original Phonak
charging units only
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Charging Micro TX-SX
b) Plug the connector from the charger into
the red marked charging socket underneath your
Micro TX-SX.
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Meaning
c) The blinking battery symbol in the LCD indicates
that the Micro TX-SX is charging.
12
The three battery
segments are moving
fast (flashing)
Micro TX-SX is fast
charging
Three battery segments
stay visible and the
battery case is flashing
Micro TX-SX is fully
charged and the charger
can be detached
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Getting started
Wearing Micro TX-SX
b) Attach the microphone
a) Open the clip 햲 and fix Micro TX-SX on your belt 햳
or to your pants. Make sure it clamps firmly.
If using the MM8 lapel microphone:
Make sure the MM8 is switched to omnidirectional or
directional mode 햲. Turn the clip on the MM8 according
to your needs 햳 and fix it to your shirt 햴. Make sure
the distance between the microphone and your mouth
is approximately 8 inches 햵.
햲
햲
햳
햳
햴
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햵
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Getting started
Microphone muting
Switching Micro TX-SX on
The microphone attached to the Micro TX-SX can easily
be muted, in case a conversation with a visitor or
another guide is not meant to be listened to by guests.
Switch the Micro TX-SX on by pressing the on/off button
for about two seconds.
A
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If the Micro TX-SX is switched on, the channel number
and the battery indication are shown in the LCD.
B
To mute the attached microphone, the Micro TX-SX
needs to be switched on. Briefly press the on/off
button (A) until the small rectangle (B) is displayed.
To deactivate the microphone mute function, briefly
press the on/off button again. The rectangle disappears
and the channel number is displayed again.
!
Please note that a long press (2 seconds) on
the on/off button switches the Micro TX-SX off.
• It is not possible to change the frequency while
the microphone is muted.
• The microphone mute function only controls
the attached microphone. The audio input socket
is useable when the microphone is muted.
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Changing the channel
Micro TX-SX is a multi-channel transmitter and allows
changing the channels easily.
햳
햲
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햲
햳
If the FM receivers are not yet on the new frequency,
• hold the Micro TX-SX close to the FM receiver
(Distance to the FM receivers: <1m/3 feet)
and press the synchronization button on the
Micro TX-SX
for one second.
After switching the multi-frequency receiver off and
on, the receiver goes back to its default channel.
Press one of the channel selection buttons to
change the channel in the transmitter. The new
channel number is displayed in the LCD.
selects a higher channel
selects a lower channel
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Keypad lock
Connecting to other media devices
As with cell phones, Micro TX-SX provides a keypad
lock, to prevent inadvertent operation of the controls.
Micro TX-SX can directly be connected to audio
equipment like TV, CD and MP3 players, and computers
with audio outputs.
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•
To lock the controls:
Micro TX-SX must be switched on to activate this
feature. Simultaneously press the two buttons
as depicted for about 1 second. The watchman
symbol in the LCD shows that the keypad lock
is activated.
•
To unlock the controls:
Simultaneously press the same two keys again
for about 1 second. When the watchman symbol
disappears, the keypad lock is deactivated.
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햲
햲 Plug the audio cable (standard accessory) into
the headphone output of your audio equipment.
햳 Plug the other end of the audio cable into the
audio input underneath your Micro TX-SX.
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Connecting to other media devices
Connecting the microphone
햴 Mute the microphone which is attached to the
Micro TX-SX (see page 21). If you want to give
comments to a visitor in parallel to the other audio
input, deactivate the mute function and talk into
the microphone.
To attach another microphone to the Micro TX-SX,
proceed as follow:
a) Unwind the existing microphone
b) Open the clip carefully
!
햳
22
Since Micro TX-SX uses the microphone cable as
an antenna, unwind the microphone cable for an
optimal operating range.
c) Remove the clip from the Micro TX-SX
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Connecting the microphone
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Operating range
The operating range is the distance between maximum
and minimum FM reception of transmitter and receiver.
d) Remove the microphone
• Unwind the microphone cable for optimal operating
range.
• The operating range is typically more than
10 meters (30 feet) inside and more than
30 meters (90 feet) outside.
!
e) For attaching the microphone, proceed in
reverse order.
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High-power electronic equipment, larger
electronic installations and metallic
structures may affect and significantly reduce
the operating range.
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FM receivers
Fundamental benefits of multi-frequency receivers
• Frequency synchronization
Micro TX-SX can change the actual channel of the
Acoustiguide Guide-U multi-frequency receivers
directly over the air (see page 22). Changing the
channel is quick and easy.
• Standby mode for power saving
This function helps economize on power. 40 seconds
after switching off the transmitter the receivers
automatically enter standby mode.
The receivers consume practically no power in
standby mode. They detect when the Micro TX-SX
switches on again and automatically resume
normal operation mode.
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Troubleshooting
Situation
Most probable cause
Remedy
“E8” is displayed in the LCD while the charger is
connected.
The battery is defective.
Replace the battery
(see page 29).
“E9” is displayed in the LCD when the Micro TX-SX
is on.
The Micro TX-SX needs
servicing.
Contact the responsible
person.
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Important points
• Do not use water or fluids for cleaning.
It is recommended to use Phonak CleanLine
products.
The symbol with the crossed out disposal
bin indicates that this device should
not be treated as household waste. Please
hand over your old or unused device to
the applicable collection point for the recycling of
electrical and electronic equipment or bring
your old device to your hearing care professional for
appropriate disposal. By ensuring this product
is disposed of correctly, you will help prevent potential
negative effects on the environment and human
health.
• Use original accessories only.
• Be aware that FM signals might also be picked
up and overheard by other receivers.
• Micro TX-SX may only be repaired at an authorized
service center.
!
30
Only use batteries delivered by Phonak.
There is risk of explosion if battery is replaced
by an incorrect type. Dispose of used batteries
according to the instructions.
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Declaration of conformity
Hereby, Phonak Communications AG, declares that
the Micro TX-SX multi-frequency transmitter is
authorized by rule under the Low Power Radio Service
(47 C.F.R. Part 95) and must not cause harmful
interference to TV reception or United States Navy
SPASUR installations. You do not need an FCC
license to operate this transmitter.
This transmitter may only be used to provide: auditory
assistance to persons with disabilities, persons who
require language translation, or persons in educational
settings; health care services to the ill; law enforcement
tracking services under agreement with a law enforcement
agency; or automated maritime telecommunications
system (AMTS) network control communications. Two-way
voice communications and all other types of uses not
mentioned above are expressly prohibited.
This device may not interfere with TV reception or
Federal Government radar.
!
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Warning: Changes or modifications made to
this equipment not expressly approved by Phonak
may void the user’s authority to operate the
equipment.
Manufacturer:
Phonak Communications AG, Laenggasse 17,
CH-3280 Murten
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Notes
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