W MS 8 0
W ire le ss Micro p h o n e Sy ste m s
Use r In stru ctio n s
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FCC Sta te m e n t
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Parts 74, 15, and 90 of the
FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equip-
ment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may
cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular instal-
lation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equip-
ment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
•
•
•
•
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and the receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/ TV technician for help.
Shielded cables and I/ O cords must be used for this equipment to comply with the relevant FCC regulations.
Changes or modifications not expressly approved in writing by AKG Acoustics may void the user’s authority to operate this equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harm-
ful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Check that the package contains all the parts listed above for your
system. If anything is missing, please contact your AKG dealer.
Thank you for selecting the W MS 80 wireless microphone system
1 . In tro d u ctio n
from AKG. Please take the time to read through this Manual. It
contains information on how to make optimum use of your equip-
ment. Have fun!
3 .3 . O p tio n a l Acce sso rie s
CH 6 0 / 8 0 plastic carrying case for one complete W MS 80
system.
Co lo r Co d in g Kit: Set of rings (for the HT 80) and platelets
2 . Pre ca u tio n s
(for SR 80 and PT 80) in various colors for identifying the indi-
2.1.Spill no liquids on the equipment and do not drop any objects
through the ventilation slots in the equipment.
vidual channels of a multichannel system.
2.2.Do not place the equipment near heat sources such as radia-
tors, heating ducts, or amplifiers, etc. and do not expose it to
direct sunlight, excessive dust, moisture, rain, mechanical
vibrations, or shock.
2.3.Be sure to dispose of used batteries as required by local
waste disposal rules. Never throw batteries into a fire (risk of
explosion).
4 . SR 8 0 Re ce ive r
The SR 80 is a stationary True Microcontrolled Diversity receiver
for use with W MS 80 transmitters. The SR 80 operates in a sub-
band up to 4 MHz wide of the 710 MHz to 861 MHz UHF
carrier frequency range. The SR 80 can be switched to a maxi-
mum of 15 different carrier frequencies depending on local fre-
quency allocations.
3 . Th e W MS 8 0 Sy ste m s
4 .1 . Co n tro ls
Two different W MS 80 Systems are available:
4 .1 .1 . Fro n t Pa n e l
The lettering of the front panel controls is protected against scratch-
ing by a protective film. To remove the film, just peel it off.
1a POW ER: Switches the power to the SR 80 ON and OFF.
1b VOLUME: The VOLUME pot matches the SR 80’s output level
to the input sensitivity of your mixer or amplifier.
1c SQUELCH: The squelch circuit switches the receiver off if the
received signal is too weak, in order to suppress the related
noise or the residual noise of the receiver while the transmitter
is off. Set the SQUELCH control to minimum before first switch-
ing the receiver on. (For details, refer to section 9.)
1d CHANNEL: This rotary switch selects the desired carrier fre-
quency or its alternative frequencies.
1e Telescoping antennas: The SR 80 is a diversity receiver and
uses two antennas in order to receive the transmitter signal at
two different spots. The diversity electronics will automatically
activate the antenna that delivers the better signal.
1f MUTE LED: Lights red if the squelch is active. In this case the
audio output will be muted. Note that the MUTE LED does
n o t indicate the position of the MUTE switch on the trans-
mitter!
3 .1 . Ha n d h e ld Sy ste m
1 SR 8 0 Re ce ive r
1 AC power adapter for 11.7 VAC
1 RMU 80 19” rack mounting kit for 2 SR 80 receivers
1 BP 80 blank panel
1 screwdriver
1 HT 8 0 Ha n d h e ld Tra n sm itte r
2 AA size 1.5 V dry batteries
1 SA 43 stand adapter
1 adjustable protective ring for controls
3 .2 . Bo d y p a ck Sy ste m
1 SR 8 0 Re ce ive r
1 AC power adapter for 11.7 VAC
1 RMU 80 19” rack mounting kit for 2 SR 80 receivers
1 BP 80 blank panel
1 screwdriver
1 PT 8 0 Bo d y p a ck Tra n sm itte r
1 belt clip
2 AA size 1.5 V dry batteries
1g RF LOW / OK LEDs: Indicate the received field strength of the
transmitter signal.
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1h AF/ PEAK LEDs: Indicate the received audio level.
The green LED lighting and the red LED flashing occasionally
indicate optimum modulation.
each wireless channel by a different color.
2e GAIN: This rotary pot allows you to match the microphone
level to the transmitter’s audio section.
If the LEDs do not light, the sensitivity setting on the transmitter
is too low.
The red LED lighting constantly indicates overmodulation.
1i Diversity LEDs A and B: Indicate which of the two receiving
antennas is active.
1j Color Code: If you use the receiver within a multichannel
system, you may remove the black plastic platelet and re-
place it with a colored platelet included in the optional Color
Coding Kit to identify each channel by a different color.
2f Battery Compartment: Refer to Section 9. Setting Up.
2g CHANNEL: This rotary switch selects the desired carrier fre-
quency (depending on local allocations) or switches between
the carrier frequency and its alternative frequencies.
Im p o rta n t: Prior to selecting frequencies, switch the transmitter
OFF.
2h Carrier Frequency Table: A label listing the available fre-
quencies is affixed to the battery compartment.
2i Frequency Set Designation: The label inside the battery com-
partment also indicates the designation of the Frequency Set.
2j Adjustable protective ring: Protects the controls from being
misadjusted accidentally.
4 .1 .2 . Re a r Pa n e l
1k Carrier Frequency Table: A label listing the available fre-
quencies is affixed to the bottom panel of the receiver.
1l Frequency Set Designation: The label on the bottom panel
also indicates the designation of the Frequency Set.
1m POW ER: Input connector for the supplied AC adapter.
1n AUDIO OUT UNBALANCED: Unbalanced audio output on a
1/ 4” mono jack for connecting to, e.g., a guitar amplifier.
1o AUDIO OUT BALANCED: Balanced 3-pin XLR audio output
for connecting to, e.g., a microphone input on the mixing
console.
1p BALANCED LINE/ MIC: Switches the balanced audio output
to line or microphone level. Therefore, you can connect the
SR 80 to microphone or line level inputs as desired.
1q Screwdriver for adjusting the CHANNEL and GAIN controls
on the transmitters.
5 .2 . In te rch a n g e a b le Micro p h o n e Ele m e n ts
The interchangeable microphone elements (2k) D 880 W L1,
D 3700 W L1, D 3800 W L1, C 5900 W L1, and C 535 W L1
are acoustically and mechanically identical to the equivalent hard-
wire versions. They feature the same transducer capsules and
mechanical construction.
Extremely high gain before feedback, optimum handling noise
rejection, ultimate protection from damage, and an integrated
wind and pop screen are only the most impressive features of
these microphones. For more details, refer to the respective AKG
brochures.
5 .3 . O p tio n a l Acce sso rie s
W 8 8 0 foam windscreen for D 880 W L1
W 3 0 0 1 foam windscreen for D 3700 W L1 and
C 5900 W L1
W 2 3 foam windscreen for C 535 W L1
Co lo r Co d in g Kit
4 .2 . O p tio n a l Acce sso rie s
Co lo r Co d in g Kit
5 . HT 8 0 Ha n d h e ld Tra n sm itte r
6 . PT 8 0 Bo d y p a ck Tra n sm itte r
The HT 80 handheld transmitter and matching microphone ele-
ments (optional) provide the same acoustic performance as the
equivalent hardwire microphone versions. The microphone ele-
ments available for the HT 80 have been specifically designed for
vocal use.
You can use the PT 80 bodypack transmitter with both dynamic
microphones and condenser microphones operating on a supply
voltage of approx. 7 V. You may also connect an electric guitar,
electric bass, or remote keyboard.
The PT 80 operates in a subband up to 4 MHz wide of the
710 MHz to 861 MHz UHF carrier frequency range. The HT 80
can be switched to a maximum of 15 different carrier frequencies
depending on local frequency allocations.
The HT 80 operates in a subband up to 4 MHz wide within the
710 MHz to 861 MHz UHF carrier frequency range. The HT 80
can be switched to a maximum of 15 different carrier frequencies
depending on local frequency allocations.
The transmitter uses a dipole antenna integrated in the body.
The controls can be protected against accidental misadjustment
collectively (2d) or individually with the supplied adjustable pro-
tective ring (2j).
6 .1 . Co n tro ls
3a POW ER: Switches the transmitter power ON (“I”) and OFF
(“0”).
3b MIC: Mutes the audio signal (position “0”) while power and
carrier frequency remain ON. Thus, no noise will become
audible if you mute the microphone even if the SQUELCH
control (1c) on the receiver is set to minimum.
5 .1 . HT 8 0 Co n tro ls
2a PW R: Switches the transmitter power ON (“I”) and OFF (“0”).
2b Status LED: Indicates battery status and audio input overload.
LED glowing dimly: batteries are OK.
3c Status LED: Indicates battery status and audio input overload.
LED glowing dimly: batteries are OK.
LED constantly lighting brightly: batteries will be dead in
about 90 minutes.
LED constantly lighting brightly: batteries will be dead in
about 90 minutes.
LED illuminating brightly: audio input is overloaded.
2c MIC: Mutes the audio signal (position “0”) while power and
carrier frequency remain ON. Thus, no noise will become
audible if you mute the microphone, even if the SQUELCH
control (1c) on the receiver is set to minimum.
2d Color Code: If you use the transmitter in a multichannel system
you can remove the black plastic ring and replace it with a
colored ring from the optional Color Coding kit to identify
LED illuminating brightly: audio input is overloaded.
3d Audio Input: 3-pin mini XLR connector with both mic and line
level pins that automatically match the connector pinout of the
microphone or optional MKG/ L guitar cable.
3e Color Code : If you use the transmitter within a multichannel
system, you may remove the black plastic platelet and re-
place it with a colored platelet included in the optional Color
Coding Kit to identify each channel by a different color.
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3f CHANNEL: This rotary switch selects the desired carrier fre-
quency.
on the same set of frequencies as your original equipment, be sure
to state the designation of your original Frequency Set (1k/ 1l, 2i,
3k/ 3l) and the serial number of the original device. W e need this
information to make sure your new equipment will be compatible
with the original units.
3g Belt Clip for fixing the transmitter to your belt.
3h Battery Compartment: Refer to Section 9. Setting Up.
3i Antenna: Permanently connected, flexible antenna.
3j GAIN: This rotary pot allows you to match the microphone or
instrument level to the transmitter’s audio section.
3k Carrier Frequency Table: A label listing the available fre-
quencies is affixed to the transmitter rear panel.
3l Frequency Set Designation: The label on the rear panel also
indicates the designation of the Frequency Set.
8 . Mu ltich a n n e l Sy ste m s
Carrier frequencies allocated to wireless microphones differ from
country to country. Depending on local frequency allocations and
available carrier frequencies you can operate two to four
W MS 80 systems simultaneously. (Refer to the Frequency List in
section 12.)
3m Security Cover: Protects the POW ER and MIC switches from
being actuated unintentionally.
6 .2 . Micro p h o n e s, Gu ita r Ca b le (o p tio n a l)
In each carrier frequency table (1k, 2h, 3k) and in the Frequency
List in section 12, the basic frequencies you can use simulta-
neously and without risk of intermodulation are marked with *.
The following AKG microphones have been designed specifically
for direct connection to the audio input of the PT 80:
C 4 1 7 L
C 4 1 9 L
C 4 2 0 L
CK 7 7 L
If you have any questions regarding allocated frequencies contact
your dealer, the competent authority, your AKG representative, or
the AKG head office in Vienna, Austria.
Alternatively, you are welcome to visit the AKG website at
quency management program for AKG W ireless Microphone
Systems.
The MKG/ L guitar cable from AKG lets you connect an electric
guitar, electric bass, or remote keyboard to the bodypack trans-
mitter.
6 .3 . O p tio n a l Acce sso rie s
CB 6 0 / 8 0 bag
Co lo r Co d in g Kit
9 . Se ttin g Up
Prior to connecting the receiver to AC power and inserting the bat-
teries into the transmitter, set the transmitter and receiver to the
same carrier frequency. The carrier frequency tables on the trans-
mitter (2h, 3k) and receiver (1k) and the Frequency List (section 12)
on page 44 list the channel number corresponding to each carri-
er frequency.
7 . Fre q u e n cie s
The transmitter and receiver of your W MS 80 system have been
factory programmed for up to 15 selectable carrier frequencies.
The carrier frequency label (1k) on the receiver, (2g) on the hand-
held transmitter, or (3k) on the bodypack transmitter lists the
Frequency Set your W MS 80 system uses and all available carrier
frequencies.
9 .1 . Se le ctin g th e Ca rrie r Fre q u e n cy
1. Ha n d h e ld tra n sm itte r : Unscrew the battery compartment
cover and the color code ring (2d or 2j) CCW.
Bo d y p a ck tra n sm itte r: Open the battery compartment
(3h).
7 .1 . Fre q u e n cy Se ts
Prior to powering up your W MS 80 system, check that the trans-
mitter and receiver use the same Frequency Set. If they do not, you
may not be able to find a common carrier frequency for the trans-
mitter and receiver.
All controls are now accessible.
2. Use the supplied screwdriver (1q) to set the CHANNEL control
(2g) on the handheld transmitter or (3f) on the bodypack trans-
mitter to the desired channel.
3. Set the CHANNEL control (1d) on the receiver to the same
channel as the transmitter.
The following Frequency Sets are currently available:
De sig n a tio n
Fre q u e n cy
Co u n trie s
Ra n g e (MHz)
770,6 - 773,4
EU58
EU59
EU60
JPA
NZ1
NZ2
UK69A
UK69B
US54
US55
US58
US59
EU
EU
EU
777,6 - 780,4
785,6 - 788,4
802,5 - 805,5
812,2 - 815,0
833,2 - 835,0
854,9 - 857,625
858,2 - 860,9
710,2 - 713,0
719,0 - 721,8
734,4 - 737,2
742,8 - 745,6
9 .1 .1 . Mu ltich a n n e l Sy ste m s
1. Be sure to assign a separate carrier frequency to each trans-
mission channel (transmitter + receiver).
EU, Japan
EU, New Zealand
EU, New Zealand
EU, Great Britain
EU, Great Britain
USA
USA
USA
USA
2. Set the transmitter and receiver to one of the frequencies mark-
ed with * in the carrier frequency tables (1k, 2h, 3k).
N o te : If reception on the selected carrier frequency is disturbed,
set the ca rrie r fre q u e n cie s fo r a ll W MS 8 0 ch a n n e ls
w ith in th e sa m e fre q u e n cy se t up or down one step
with the respective CHANNEL controls (1d, 2g, 3f) on each
transmitter and receiver.
This is necessary to provide the minimum frequency spacing
required for intermodulation-free multichannel operation.
Im p o rta n t: Do not operate two or more W MS 80 channels on
the same frequency at the same time and location. This would
cause unwanted noise due to radio interference.
For frequencies allocated in the various countries and frequencies
suited for intermodulation-free simultaneous operation, refer to the
Frequency List in section 12.
9 .1 .2 . Ch a n g in g Ca rrie r Fre q u e n cie s
7 .2 . O rd e rin g Tra n sm itte rs a n d Re ce ive rs
Prior to changing a carrier frequency, b e su re to sw itch th e
If you want to order additional transmitters or receivers operating
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tra n sm itte r O FF. To activate the new carrier frequency, switch
the transmitter back ON. (If you try to change the carrier frequen-
cy while power to the transmitter is on, the frequency will remain
the same.)
good condition, the status LED (3c) will continue glowing dimly.
W hen the status LED (3c) illuminates brightly the batteries will
be dead within about 90 minutes. Replace the batteries with
new ones as soon as possible.
If the status LED (3c) fails to illuminate the batteries are dead.
Insert new batteries.
6. Snap the security cover (3m) back over the switches CCW.
You can wear the transmitter inside a shirt or jacket pocket, fix
it to your belt with the belt clip (3g), or attach it to your body
with adhesive bandage.
9 .2 . HT 8 0 Ha n d h e ld Tra n sm itte r
9 .2 .1 . Micro p h o n e Ele m e n t
Prior to switching the transmitter on, screw the microphone element
CW onto the thread on the transmitter. All electrical connections
will be made automatically.
Im p o rta n t: Make sure the antenna will hang down freely, with-
out being covered by the body.
9 .2 .2 . In se rtin g , Te stin g , a n d Re m o vin g Ba tte rie s
N o te : For easy channel identification in a multichannel setup, you
can replace the snap fitted color code platelet (3e) with a dif-
ferent-color platelet included in the optional Color Coding Kit.
1. Make sure that the end of the ribbon fixed inside the battery
compartment (2f) will stick out of the battery compartment (2f).
(The ribbon is needed for removing the batteries.)
2. Push the upper end of each of the supplied batteries beneath
the fixing flange in the battery compartment (2f) from the side
and press firmly down against the battery compartment bottom.
Check that the batteries align with the polarity marks.
The transmitter will not function with the batteries inserted in-
correctly
9 .4 . SR 8 0 Re ce ive r
9 .4 .1 . Pla ce m e n t
Reflections off metal parts, walls, ceilings, etc. or the shadow
effects of musicians and other people may weaken or cancel the
direct transmitter signal.
Im p o rta n t: Do not try to insert the batteries straight or with the
lower end first. You would risk breaking the fixing flange so the
battery would not be seated securely in the battery compartment.
3. Set the PW R switch to “I” to switch the power to the transmitter
on.
For best results, place the receiver as follows:
1. Place the receiver near the performance area (stage). Make
sure, though, that the transmitter will never get any closer to the
receiver than 16 ft. (5 m).
2. There should always be a direct line of sight between the trans-
mitter and receiver.
3. Place the receiver at least 5 ft. (1.5 m) away from any big
metal objects, wire (particularly wire mesh) or sheet metal struc-
tures, walls, scaffolding, ceilings, etc.
4. Do not place the receiver in a recess in a wall.
5. Place the receiver at least 5 ft. (1.5 m) away from any equip-
ment that may emit RF radiation such as lighting racks, fluores-
cent lamps, digital effects units, or PCs.
The status LED (2b) will flash momentarily. If the batteries are in
good condition, the status LED (2b) will continue glowing dimly.
W hen the status LED (2b) illuminates brightly the batteries will
be dead within about 90 minutes. Replace the batteries with
new ones as soon as possible.
If the status LED (2b) fails to illuminate the batteries are dead.
Insert new batteries.
4. Screw the supplied protective ring (2j) and the battery com-
partment cover back onto the transmitter CW . You can rotate
the protective ring (2j) so that any one of the controls will be
accessible and all others covered (B to E) and thus protected
from being misadjusted unintentionally.
You can either use the receiver free-standing or mount it in a 19”
rack using the supplied RMU 80 rack mounting kit.
9 .4 .2 . Ra ck Mo u n tin g
N o te : For easy channel identification in a multichannel setup, you
can install a different-color protective ring included in the
optional Color Coding Kit. These protective rings are adjust-
able, too.
N o te : If you prefer to cover all controls, reinstall the original color
code ring (2d) a fte r a d ju stin g th e sy ste m as described
in section 9.5.
5. Re m o vin g b a tte rie s: Pull the ribbon outward to release the
batteries from the battery compartment (2f) and remove the bat-
teries.
1. Slide a rack ear into the fixing rail on one side of the receiver
and the BP 80 blank panel into the fixing rail on the other side
from rear to front.
2. To mount two receivers, slide the linking section with the cover
plate pointing to the receiver front panel into the fixing rail on
one side of the receiver from rear to front. Slide the linking sec-
tion into the fixing rail on one side of the second receiver from
the rear. Slide another rack ear into the fixing rail on the other
side of the second receiver.
3. Use the supplied installation screws to fix the rack ears to the
rack. For best reception, we recommend to mount the receiv-
er(s) at the top level of the rack.
9 .3 . PT 8 0 Bo d y p a ck Tra n sm itte r
1. Insert the supplied batteries into the battery compartment (3h)
conforming to the polarity marks.
9 .4 .3 . Au d io Co n n e ctio n
The transmitter will not function with incorrectly inserted bat-
teries.
2. Close the battery compartment (3h). The GAIN control (3j)
remains accessible through an opening in the battery compart-
ment cover.
3. Connect your microphone -- or your instrument using an option-
al MKG/ L guitar cable -- to the audio input (3d).
4. Rotate the security cover (3m) CW to uncover the switches.
5. Set the POW ER switch (3a) to “I” to switch the power to the
transmitter on.
Connect one of the AUDIO OUT sockets to the desired input:
-
-
-
BALANCED socket (1o) - XLR cable - microphone input: set
BALANCED LINE/ MIC switch (1p) to MIC.
BALANCED socket (1o) - XLR cable - line input: set BALANCED
LINE/ MIC switch (1p) to LINE.
UNBALANCED jack (1n) - 1/ 4” jack cable - unbalanced 1/ 4”
microphone or line input jack. (BALANCED LINE/ MIC switch
(1p) position is uncritical.)
Im p o rta n t: Never use the two AUDIO OUT sockets simulta-
The status LED (3c) will flash momentarily. If the batteries are in
neously! This may cause signal loss or increased noise.
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9 .4 .4 . Co n n e ctin g to Po w e r
Remedies: Switch the transmitter ON, move closer to the receiv-
er, or turn the SQUELCH control (1c) CCW to the point that the
MUTE LED (1f) will extinguish.
1. Unfold the two antennas (1e) and extend them fully to obtain
optimum reception.
2. Set the SQUELCH control (1c) fully CCW.
9 .5 .1 . Mu ltich a n n e l Sy ste m s
3. Check th a t the AC m a ins volta g e sta te d on the su p -
p lie d AC a d a p te r is id e ntica l to th e AC m a in s vo lt-
a ge a va ila b le w he re y ou w ill use yo ur W MS 8 0 .
Using the AC adapter with a different AC voltage may cause
irreparable damage to the unit.
4. Plug the feeder cable on the supplied AC adapter into the
POW ER socket (1m) on the receiver.
5. Bend part of the feeder cable into a bight, pass the bight
through the opening in the lower part of the screwdriver sup-
port, and place the end of the bight snugly against the strain
relief hook above the POW ER socket (1m).
6. Plug the power cable on the supplied AC adapter into a con-
venient power outlet.
7. Switch the receiver ON with the POW ER switch (1a).
N o te : For easy channel identification in a multichannel setup, you
can replace the snap fitted color code platelet (1j) with a dif-
ferent-color platelet included in the optional Color Coding Kit.
If reception on the selected carrier frequency is disturbed, set the
ca rrie r fre q u e n cie s fo r a ll W MS 8 0 ch a n n e ls w ith in
th e sa m e fre q u e n cy se t up or down one step with the
respective CHANNEL controls (1d, 2g, 3f) on each transmitter
and receiver.
This is necessary to provide the minimum frequency spacing re-
quired for intermodulation-free multichannel operation.
Im p o rta n t: Prior to changing a carrier frequency, b e su re to
sw itch th e tra n sm itte r O FF. To activate the new carrier
frequency, switch the transmitter back ON. (If you try to change
the carrier frequency while power to the transmitter is on, the
frequency will remain the same.)
9 .6 . Im p o rta n t Hin ts fo r Re lia b le O p e ra tio n
The propagation of RF radiation is subject to certain physical laws
that you need to take into account in order to obtain trouble-free
performance from any wireless microphone system. Here are a
few useful hints on how to avoid problems such as sudden noise
surges, phasiness (whizzing, whirring), dropouts, or clicks:
1. In a multichannel system, always leave power to all transmitters
on. To cut the transmitter signal, use the MUTE switch only.
2. Keep a minimum transmitter to receiver distance of 16 ft. (5 m).
3. Make sure the transmitter will never be farther away from the
receiver than 164 ft. (50 m).
4. Make sure there is a direct line of sight between the transmitter
and receiver.
5. Keep any two transmitters at least 40 inches (1 m) apart.
If this is impractical (for instance, during ”love duets”), check
prior to the performance what frequencies will work best at
close quarters.
6. Make sure the antenna of the bodypack transmitter will hang
down freely throughout the performance and will not touch the
user’s skin. The human body attenuates RF signals.
7. Do not place the receiver in a recess in a wall or near sheet
metal or wire structures. W ire mesh is a particularly efficient
absorber of RF energy.
8. Do not align antennas parallel to metal surfaces.
9. Avoid lighting racks and fluorescent lamps. Dimmers and
ballast circuits emit RF radiation.
9 .4 .5 . An te n n a s
For optimum reception, make sure to extend the two telescoping
antennas (1e) exactly as far as specified for each Frequency Set
in Table 1 on page 39.
9 .5 . Sy ste m Ad ju stm e n ts
1. Ha n d h e ld tra n sm itte r: Using the supplied screwdriver
(1q), set the GAIN control (2e) so that on the receiver the green
AF LED (1h) will light constantly and the red PEAK LED (1h) on
the receiver and the status LED (2b) on the transmitter will only
flash on the loudest signal peaks.
Bo d y p a ck tra n sm itte r: Using the supplied screwdriver
(1q), set the GAIN control (3j) so that the green AF LED (1h) on
the receiver will light constantly and the status LED (3c) on the
transmitter as well as the red PEAK LED (1h) on the receiver will
only flash on the loudest signal peaks.
2. The red PEAK LED (1h) on the receiver and/ or the status LED
(2b, 3c) on the transmitter lighting brightly means the transmit-
ter is overloaded. Turn the GAIN control (2e) or (3j) on the
transmitter CCW to the point that the PEAK (1h) and status (3c)
LEDs will only flash occasionally.
3. Set the VOLUME control (1b) on the receiver so that the receiv-
er output will optimally drive the connected device (e.g., mixer
input). Refer to the instruction manual for the connected device.
4. Check the performance area for "dead spots", i.e., places where
the field strength seems to drop and reception deteriorates.
If you find any dead spots, try to eliminate them by reposition-
ing the receiver. If this does not help, avoid the dead spots.
5. If unwanted noise becomes audible, turn the SQUELCH control
(1c) CW just enough to suppress the noise.
10.Avoid digital effects units and PCs. They, too emit RF radiation.
1 0 . Cle a n in g
To clean the transmitter and receiver surfaces, use a soft cloth
moistened with methylated spirits or alcohol.
The MUTE LED (1f) will light every time the squelch mutes the
audio output of the receiver.
Im p o rta n t: Never set the squelch threshold higher than abso-
lutely necessary. The higher the squelch threshold, the lower the
sensitivity of the receiver and thus the usable range between
transmitter and receiver.
6. Check the field strength of the received signal. If the RF LOW
LED (1g) lights, reposition the receiver and/ or transmitter such
that field strength will increase back to optimum (OK LED (1g)
illuminating).
7. The MUTE LED (1f) on the receiver illuminating means that the
squelch is active.
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1 1 . Sp e cifica tio n s
This product conforms to ETS 300.422 and ETS 300.445 as well as Parts 15 (receiver), 74, and 90 (traveler) of the FCC Rules.
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1 2 . Fre q u e n zliste - Fre q u e n cy List - Liste d e s fré q u e n ce s - Lista d e lle fre q u e n ze -
Lista d e fre cu e n cia s - Lista d e fre q ü ê n cia s
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WMS 80
Wireless Microphone System
1e
1e
1d
1a
1c
1g
1i
1h
1b
1f
1j
1q
1o
1n
1p 1m
SR80 0000Z0000
SNR:01001 AKG Set:EUS..
HT 80
1:000.000
2:000.000
3:000.000
4:000.000
5:000.000
6:000.000
7:000.000
8:000.000
9:000.000 MHz
10:000.000 MHz
11:000.000 MHz
12:000.000 MHz
13:000.000 MHz
14:000.000 MHz
15:000.000 MHz
A
B
D
C
E
1k/1l
HT80
HT80
HT80
HT80
HT80
2d/2j
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2k
2a
2b
2c
HT80
HT80
2g
HT 80
2e
2h/2i
2f
+
–
2j
2 x 1.5 V
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3m
3g
3m
PT80 0000Z0000
SNR:01001 AKG Set:EUS..
1:000.000
2:000.000
3:000.000
4:000.000
5:000.000
6:000.000
7:000.000
8:000.000
9:000.000 MHz
10:000.000 MHz
11:000.000 MHz
12:000.000 MHz
13:000.000 MHz
14:000.000 MHz
15:000.000 MHz
3k/3l
3g
I
II
3g
3j
3f
2 x 1.5 V
3h
III
IV
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