Telex Musical Instrument FMR 500 User Manual

R
T
elex  
Operating Instructions  
FMR-500  
User Guide  
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Section 3 - Detailed Components Description  
FMR-500 Receiver Controls, Connectors, and Indicators  
8
5
Balanced  
Audio  
2
1
3
U.S. Patent No. 6,256,484  
R
Telex  
FMR-500 BAND  
12-15V  
AC/DC  
Antenna  
R
A
with FCC Standards  
Telex  
SCAN TM  
Tested to Comply  
power  
-20 -10 -6 -3  
0
+3  
+
-
GPA CH  
12u 05  
EV  
CLEAR  
CANADA  
S.N. 1059  
FMR-500  
Mic  
Line  
Line  
Level  
High  
Z
AUDIO  
1
3
10 30 100  
set  
Telex Communications, Inc.  
Made in U.S.A.  
4
6
7
3
Figure 1 - FMR-500 Front Panel  
Figure 2 - FMR-500 Back Panel  
90  
Power ON/OFF  
Display Control Buttons (Set/Up/Down)  
1.  
2.  
3.  
4.  
5.  
Graphical Display  
Power Connector  
Balanced  
Audio  
U.S. Patent No. 6,256,48  
R
Telex  
FMR-500 BAND  
12-15V  
AC/DC  
Antenna  
A
with FCC Standards  
+
-
Tested to Comply  
Channel Display  
Frequency  
Battery Strength  
Indicator  
Diversity Indicator  
XLR BalancedMic/Line Level  
a.  
b.  
c.  
CANADA  
S.N. 1059  
Mic  
Line  
Line  
Level  
High  
Z
Telex Communications, Inc.  
Made in U.S.A.  
Audio Output Line Level Adjustable  
Unbalanced Line Level Audio Output  
Connector with Level Adjustment  
TNC Antenna Input Connectors  
6.  
Proper Antenna Orientation  
d.  
e.  
7.  
8.  
RF Strength of  
Signal Indicator  
a.  
ClearScan for Groups: From the main dis-  
play screen, push SET once and the Group  
Number will flash. While Group is flashing,  
press and hold SET until ClearScan appears,  
release the set key. When the scan is com-  
pleted, the display will show the group with  
the most clear channels and the Channel num-  
ber will indicate how many clear channels are  
in that group. Use the UP/DOWN keys and to  
view other groups and press SET to select a  
group. The Group will be set and the Channel  
will start to flash. Select a channel manually  
or use ClearScan for Channels.  
Power Cord Retainer  
Audio Level Indicator  
Guitar Mode Indicator  
f.  
g.  
Receiver Setup and Operation  
Place the receiver and antennas where there is a  
clear line of sight to the area where the transmit-  
ter will be used. Rotate the antennas to separate  
them by 90 degrees.  
1.  
2. Connect the power supply cord to the receiver.  
Plug the power supply into an AC outlet. Turn  
the receiver on and confirm that it is ON by  
checking the main display screen.  
b.  
ClearScan for Channels: To scan for the  
clearest channel in a group, press and hold set  
while the Channel is flashing until ClearScan  
appears, release the SET button. When the  
scan is complete, the display will show the  
clearest available channel. Use UP/DOWN to  
scroll through the other available channels  
rank from clearest to least clear (but still avail-  
able for use, ClearScan will not display any  
channel that can't be used). Press SET to se-  
lect the channel.  
Caution: Please make sure the AC power supply  
is the correct voltage for your local requirements  
before it is plugged into the wall.  
3. Manual Channel Change. Press the SET but-  
ton and the Group number will start to flash.  
The Up and DOWN buttons allow you to scroll  
through the factory set group. When the group  
you desire is displayed, press SET to select that  
group and the Channel Number will start flash-  
ing. Scroll to the desired channel and press SET  
to select. The numbers will stop flashing and the  
new group and channel are installed.  
c.  
Auto ClearScan: This function will find the  
clearest group and channel with the press of  
just one button. With nothing flashing, press  
and hold the SET button until ClearScan ap-  
pears on the right side of the screen. When the  
scan is complete, the receiver will be set to the  
clearest channel in the clearest group.  
4. Frequency Assignment (Outside of preset  
Groups and Channels), press SET and UP at  
the same time and the group and channel will go  
blank and the Frequency will start flashing. Use  
UP/DOWN to scroll in 25 KHz steps to the de-  
sired frequency. Press SET and the frequency  
will be selected and stop flashing. Press Set and  
UP at the same time to return to group and chan-  
nel operation. Hint: holding in the Up or Down  
key will increase the speed of the scroll. Just re-  
lease and press again for fine control.  
d.  
ClearScan Band: While in the Frequency  
Mode, this function will scan the entire band  
looking for the clearest frequency, regardless  
of groups and channels. In Frequency Mode,  
press Set once and the frequency will flash,  
press and hold set until ClearScan appears on  
the right side of the display. The scan will  
continue until you press Set again so you can  
scan a location overnight, 24 hrs, a week, or a  
few seconds. When you press Set again, the  
scan will stop and the clearest frequency will  
be displayed. You can scroll through the 8  
clearest frequencies using the Up and Down  
buttons. Press Set to accept the frequency dis-  
played.  
5. Advanced ClearScan: This feature automates  
the process of finding a clear group of  
inter-modulation free channels and the clearest  
channels within those groups.  
-2-  
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NOTE: Groups 9 and above are set up to work Now refer ahead to transmitter setup and return  
with the other US frequency band (A and B). If to step 9 when that is completed.  
you are using a mix of Band A and Band B, scroll  
down to these groups and use the clearest group.  
With the transmitter on, speak into the micro-  
9.  
phone or play the guitar. Turn up the level on  
the mixer or amplifier until you are able to hear  
the desired signal. If no audio is present, repeat  
setup and refer to the troubleshooting section.  
6. Change Lock-Out: By pressing and holding the  
UP and DOWN arrow keys together for 3 sec-  
onds, the SET key is disabled.To reactivate the  
SET key, simply press and hold the UP and  
DOWN keys again for 3 seconds. This feature  
can be useful when the receiver is in a location  
where unauthorized personnel have access to  
the receiver.  
NOTE: If the 1/4 inch output is used, it may be  
necessary to adjust the receiver output until the  
volume level from the wireless system approxi-  
mates the level of an equivalent wired micro-  
phone/instrument.  
For set up, make sure the mixer or amplifier in-  
put used for the FMR-500 is muted or turned  
down to a minimum level.  
7.  
10. Squelch Adjustment - The squelch setting can  
be used to maximize range or immunity to  
noise. Press and hold Up for 3 seconds. The cur-  
rent squelch setting will be displayed. Adjust  
the squelch using the UP/DOWN keys. Maxi-  
mum squelch (9) maximizes noise immunity but  
limits the range. Minimum squelch (1) will maxi-  
mize the range but allow more noise to break  
through the squelch. Press SET to save the new  
squelch setting.  
Plug an audio cable (not supplied) into the 3 pin  
XLR or 1/4 inch output of the FMR-500.  
8.  
a. NOTE: The XLR connector is the pre-  
ferred connection since the output is bal-  
anced and will be more immune to noise  
for longer runs of cable although either  
can be used with good results. If the 1/4  
inch connector is used, adjust the output  
level on the back panel to 12 o'clock (mid-  
way in the range) to start and adjust later if  
necessary.  
Receiver Push-Button Reference Sheet  
Display  
Status Button  
Function Activated  
Edit Accept  
Nothing Flashing  
Nothing Flashing  
Group Flashing  
Group Flashing  
Channel Flashing  
Nothing Flashing  
Nothing Flashing  
Edit Lock On  
Press and hold SET  
Auto ClearScan  
n/a n/a  
SET  
Edit Group -Group will flash  
SET  
SET  
SET  
SET  
SET  
Press and hold SET  
SET  
ClearScan Group - list clear groups in order  
Edit Channel - Channel will flash  
ClearScan Channel - list clear channels in order  
Edit Squelch Setting  
Press and hold SET  
Press and hold Up  
Press and hold Up & Down Edit Lock - Secure will appear  
Press and hold Up & Down Return to Access Mode  
n/a  
n/a  
n/a  
n/a  
n/a  
Power Off  
Press and hold SET  
Press SET and Up  
Press and hold SET  
Toggle between Guitar and Voice mode  
Toggle to Frequency Mode - Freq will flash  
ClearScan Band - Clear Scan will flash  
End ClearScan Band after next full scan  
Clearest frequencies listed  
n/a  
Nothing Flashing  
Frequency Flashing  
SET  
n/a SET  
ClearScan Band Running Press SET  
ClearScan Band Results n/a  
n/a  
n/a  
SET  
n/a  
Frequency Mode  
Nothing Flashing  
Press SET and Up  
Press and hold Down  
Return to Group and Channel Mode  
Display Software Revision  
n/a  
n/a  
n/a  
-3-  
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Rack Mount Installation  
The FMR-500 is supplied with rack mounts for sin- Four double mounting of two FMR-500's proceed  
gle and double mounting in a standard EIA 19"/ as follows:  
483mm equipment rack (see Figure 3). For rack  
mounting a single unit, a long (#3) and short (#1) 1. Align the mid brackets (#2) with the holes on  
"ear" are used. For dual side-by-side mounting, use  
the short (#1) "ears" and the mid brackets (#2) from  
two FMR-500's as shown.  
the adjacent sides of each unit.  
2. Install the previously removed screws. Insert an  
additional screw (#4, provided in the parts pack)  
into the remaining holes. Tighten all screws se-  
curely.  
To assemble the rack mount adapters to the  
FMR-500 proceed as follows:  
1. Remove the front Phillips head screws from 3. Place the two assemblies side-by-side with the  
each side of each unit.  
mid brackets together. (The left bracket should  
fit above the right so that the countersinks are  
visible). Install 4 flat head screws (#5, provided  
in the parts pack) and tighten them securely.  
2. Align the correct rack ear or bracket with the  
holes on the side of the unit. Install the previ-  
ously removed screws. Insert an additional  
screw (#2, provided in the parts pack) into the  
remaining hole. Repeat this step for the opposite  
side of the unit. Be sure to tighten all screws se-  
curely.  
1
REMOVE SCREWS  
(TYPICAL 4 SIDES)  
C
L
R
E
A
S
R
C
A
N
5
p
e
o
w
e
r
s
t
3
C
L
S
R
E
A
R
C
A
N
p
e
o
w
e
r
2
s
t
(TYPICAL BOTH SIDES)  
5
1
4
(TYPICAL ALL SIDES)  
Figure 3  
Rack Mount Installation  
Front Mounting Antennas  
1. Remove hole plugs from brackets.  
3. Attach the supplied extension cables from the  
rack connectors to the antenna connections on  
the back of the receiver. See Figure 4.  
2. Attach the antenna connectors to the brackets.  
C
R
L
E
A
R
S
C
A
N
p
o
w
e
r
s
e
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C
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A
R
S
C
A
N
p
o
w
e
r
s
e
t
Figure 4  
Front Mounting Antennas  
-4-  
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Handheld Transmitter HT-500  
2
1
3
6
7
5
SET  
2
4
755050  
1
9
3
8
Figure 5  
Handheld Transmitter  
Figure 6  
Transmitter  
HT-500 Controls,  
Connectors, and Indicators  
5. Channel/Frequency Up Switch  
6. Channel/Frequency Down Switch  
7. Microphone Gain  
1. Main Display - LCD  
(Channel, Frequency or Battery Level Indication)  
2. Battery Low LED - Lights when battery is low  
3. Power On/Off Switch  
8. 9V Battery Holder  
4. Set Switch  
9. Battery Cover - Screw type  
Handheld Transmitter Setup  
and Operation  
1. Insert Battery. Remove the battery compart-  
ment cover by unscrewing it completely. Insert a  
9V battery, terminal end first into the battery  
compartment.  
5. Frequency Edit Mode - Press SET from the  
frequency display screen to enter frequency edit  
mode. Press the Up and Down to adjust fre-  
quency in 25 kHz increments. Holding the Up or  
Down buttons down will auto step the frequency;  
slowly at first, then quickly. You can also enter  
frequency edit mode by pressing SET and UP at  
the same time from either the Group and Chan-  
nel or Battery status display screens. Pressing  
SET and UP at the same time from the Fre-  
quency display screen will enter Group and  
Channel edit mode.  
NOTE: The HT-500 unique design allows the  
battery to be inserted and used regardless of the  
positive and negative terminal position.  
2. With battery compartment still open, turn the  
unit so you can see the display and the control  
panel. Turn the unit on by sliding the power  
switch forward to the on position. The battery  
low LED will light for a second and the display  
will show the Group and Channel numbers.  
6. Power Lock Out - Press SET, UP, and DOWN  
at the same time and hold 3 seconds to lock the  
power switch on. To turn the unit off, place the  
power switch in the OFF position and push SET,  
UP, or DOWN. To remove the lock, press SET,  
UP, and DOWN again at the same time and hold  
3 seconds. A one-time only ON-LOCK mode  
can also be entered by quickly cycling the  
power switch three times.  
3. Change the group and channel numbers to  
match those displayed on the receiver by press-  
ing SET. The Group number will flash and can  
be changed with the UP/DOWN keys. Once the  
desired group number is showing, press SET to  
select and the Channel number will flash. Select  
the Channel and press SET again. The flashing  
will stop and the channel is now set.  
4. Other Screens: Press SET and DOWN at the  
same time to display the battery level. Press  
SET and DOWN again to display frequency.  
Press them one more time to return to Group  
and Channel.  
7. Set Key Lock-Out, by pressing and holding the  
UP and DOWN arrow keys together for 3 sec-  
onds, the SET key is disabled. To reactivate the  
SET key simply press and hold the UP and  
DOWN keys again for 3 seconds.  
-5-  
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To adjust the transmitter gain, gently insert the  
provided screwdriver (or other 3/32 - 2.5 mm  
screwdriver) into the adjustment hole above the  
display screen. Turn lightly until the screw-  
driver tip goes into the adjustment level control  
Gently turn counterclockwise until the control  
stops (the microphone output is at minimum but  
not off). Slowly turn the gain control up (clock-  
wise) while speaking/singing into the micro-  
phone and audiometer shows peaks around -3  
dB.  
8. Verify reception. With the transmitter and re-  
ceiver on and matching Group and Channel, the  
main receiver display should be indicating a RF  
signal on the bar graph. Speak into the micro-  
phone and the Audio Meter bar graph should in-  
dicate audio signal presence. If the level meters  
do not show reception, make sure the channels  
are matching and refer to the trouble shooting  
section.  
9. Adjustment of the transmitter audio gain - If  
necessary The transmitter audio gain is factory  
set at the middle of the range, which should be  
suitable for most applications. For loud or soft  
speakers/singers, a gain adjustment may be nec-  
essary. Have the speaker or singer use the mi-  
crophone in a normal performance level voice.  
The Audio Meter in the main receiver display  
screen should show peaks around the -3dB  
level. If the meter peaks all the way to the right  
or well below the -3dB level, adjust the trans-  
mitter audio gain.  
NOTE: Operating with the transmitter audio  
gain set as high as possible (without distortion  
or peaks all the way to the right end of the me-  
ter) will result in the best performance and high-  
est signal to noise ratio.  
Test Performance. Go back to Section 3. Re-  
ceiver Setup and Operation - Step 9 to complete  
system set up and test.  
10.  
5
Bodypack Transmitter - WT-500  
1
SET  
6
9
R
Telex  
WIRELESS  
UHF  
Figure 8  
Control View  
755050  
GP  
CH  
5
4
8
Figure 7  
Bodypack Transmitter  
2
3
Figure 9  
Top View  
WT-500 Controls, Connectors,  
and Indicators  
Antenna - flexible 1/4 wave antenna  
Display Control Buttons (Set/Up/Down)  
Belt Clip (Removable, not shown)  
9V Battery Compartment  
1.  
2.  
3.  
6.  
7.  
8.  
9.  
Power On/Off Switch  
Battery Low LED Indicator  
Audio Gain Adjustment  
TA4 Audio Connector  
4.  
5.  
LCD Display (Channel, Frequency or  
Battery Level Indication)  
-6-  
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Have the speaker or singer use the microphone  
in a normal performance level voice. The Audio  
Meter in the main receiver display screen should  
show peaks around the -3 dB level. If the meter  
peaks all the way to the right or well below the  
-3 dB level, adjust the transmitter audio gain.  
Bodypack Transmitter Setup  
and Operation  
1. Insert Battery. Pinch the battery door tabs in-  
ward and pull the door open. Insert a 9V battery  
as indicated by the +/- in the holder.  
To adjust the transmitter gain, gently insert the  
provided screwdriver (or other screwdriver) into  
the adjustment potentiometer. Gently turn coun-  
terclockwise until the control stops (the micro-  
phone output is at minimum but not off). Slowly  
turn the gain control up (clockwise) while  
speaking/singing into the microphone or strum-  
ming the guitar and the audiometer shows peaks  
around -3 dB.  
With battery compartment still open, turn the  
unit on with Power switch on the top panel. The  
battery low LED will light for a second and the  
display will show the Group and Channel num-  
bers.  
2.  
3. Change the group and channel numbers to  
match those displayed on the receiver by press-  
ing SET. The Group number will flash and can  
be changed with the UP/DOWN keys. Once the  
desired Group number is showing, press SET to  
select and the Channel number will flash. Select  
the Channel and press SET again, the flashing  
will stop and the channel is now set.  
NOTE: Operating with the transmitter audio  
gain set as high as possible (without distortion  
or peaks all the way to the right end of the me-  
ter) will result in the best performance and high-  
est signal to noise ratio.  
4. Set Key Lock-Out. By pressing and holding the  
UP and DOWN arrow keys together for 3 sec-  
onds, the SET key is disabled. To reactivate the  
SET key, simply press and hold the UP and  
DOWN keys again for 3 seconds.  
Other Screens: Press SET and DOWN at the  
same time to display the battery level. Press  
SET and DOWN again to display frequency.  
Press them one more time to return to Group  
and Channel.  
5. Verify reception. With the transmitter and re-  
ceiver on and matching Group and Channel, the  
main receiver display should be indicating a RF  
signal on the bar graph. If the level meter does  
not show reception, make sure the channels are  
matching and refer to the trouble shooting sec-  
tion.  
8. Frequency Edit Mode - Press SET from the  
frequency display screen to enter frequency edit  
mode. Press the Up and Down to adjust fre-  
quency in 25 kHz increments. Holding the Up or  
Down buttons down will auto step the frequency;  
slowly at first, then quickly. You can also enter  
frequency edit mode by pressing SET and UP at  
the same time from either the Group and Chan-  
nel or Battery status display screens. Pressing  
SET and UP at the same time from the Fre-  
quency display screen will enter Group and  
Channel edit mode.  
6. Attach the Microphone or Guitar.  
Microphone: Plug the microphone cable into  
the top panel of the WT-500. Speak into the mi-  
crophone and the Audio Meter bar graph should  
indicate audio signal presence.  
9. Power Lock Out - Press and hold SET, UP, and  
DOWN at the same time and hold for 3 seconds  
to lock the power switch on. To turn the unit off,  
place the power switch in the OFF position and  
push SET, UP, or DOWN. To remove the lock,  
press SET, UP, and DOWN again at the same  
time and hold for 3 seconds. A one-time only  
ON-Lock mode can also be entered by quickly  
cycling the power switch three times.  
Guitar: Turn off the bodypack, press and hold  
SET while you turn the bodypack on. A guitar  
symbol will appear in the display to indicate in-  
strument mode. Repeat the process holding SET  
on the receiver as it is powered up. Plug in the  
MAC-G3 guitar cable. Strum the guitar and the  
Audio Meter bar graph on the receiver should  
indicate audio signal presence.  
7. Adjustment of the Transmitter Audio Gain -  
(if necessary). The transmitter audio gain is fac-  
tory set at the middle of the range, which should  
be suitable for most applications. For loud or  
soft speakers/singers, a gain adjustment may be  
necessary.  
10. Test Performance - Go back to Section 3 - Re-  
ceiver Setup & Operation, Step 9 to complete sys-  
tem set up and test.  
APPROVAL INFORMATION  
The Electro-Voice/Telex Transmitters are Type Accepted under United States Federal Communications  
Commission CFR 47, Part 74 and Industry Canada RSS123.  
The Electro-Voice/Telex Receiver is approved under United States Federal Communications Commis-  
sion CFR 47, Part 15 and Industry Canada RSS210.  
Licensing of Electro-Voice/Telex equipment is the users responsibility and Licensability depends upon  
the users classification, users application and frequency selected. Electro-Voice/Telex strongly urges  
the user to contact the appropriate telecommunications authority for any desired clarification.  
CAUTION: Any changes or modifications made to the above equipment could void the users authority to  
operate the equipment.  
-7-  
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Section 4 - Receiver Display Screens and Functions  
Main Operating Screen  
4
7
5
2
-20 -10 -5  
0
+3  
AF  
T
M
1
3
CLEARSCAN  
8
R
F
1
3
10 30 100  
9
6
Figure 10  
Main Operating Screen  
Display:  
Controls:  
1. Press and hold SET for 3 seconds starts Auto-  
1. Group Number· · · · · · · · · · · · · · · 10 (factory set)  
2. Channel Number· · · · · · · · · · · · · · · · · · · 01 to 10  
3. Frequency · · · · · · · · · · · Displayed in MegaHertz  
4. Battery Status · · · · · · · · · · · · · · · · 100 to 0 Pct in  
25 Pct steps/Flash if low  
ClearScan™  
2. Press SET once, Group starts flashing, adjust with  
UP and DOWN  
2.a With Group flashing, press and hold SET for 3  
seconds to start Group Scan  
5. Audio VU Meter · · · · · · · · · · -30 VU to + 3 VU  
6. RF Signal Strength · · · · · · · · · · · 1 µV to 100 µV  
7. Antenna Diversity Status · · · left or right antenna  
8. ClearScan · · · · · · · · Indicates Scan is in progress  
9. Guitar Symbol · · · · · · Indicates Instrument Mode  
3. Press SET twice, Channel starts flashing, adjust  
with UP and DOWN  
3.a With Channel flashing, press and hold SET for  
3 seconds to start Channel Scan  
4. Press SET and UP at the same time to enter Fre-  
quency Mode  
5. Press and hold UP for 3 seconds to adjust Squelch  
6. Press and hold SET during power up to enter In-  
strument Mode  
7. [UP] + [DOWN] for 3 seconds Sets/Resets Edit  
Lockout  
Squelch Adjustment Screen  
-20 -10 -5  
0
+3  
AF  
R
F
1
3
10 30 100  
Figure 11  
Squelch Adjustment Screen  
Display:  
Controls:  
1. [UP] + [DOWN] adjust the squelch level  
1. Squelch Level · · · · · · · · · · · · · · · · · 1-10  
2. SET saves the squelch level shown and returns  
you to the main screen  
Transmitter Display and Controls  
Display:  
1. Group and Channel  
2. Battery Level in Percentage  
3. Frequency  
Controls:  
1. Press SET once, GP will flash, use UP and  
DOWN to adjust  
2. Press SET again to accept GP, CH will flash, adjust  
with UP/DOWN  
3. Press SET again to accept CH and channel  
will be installed  
4. Press SET and DOWN at the same time to change  
display mode  
5. Press SET and UP to enter Frequency Set Mode  
Figure 12  
Transmitter Display and Controls  
6. Press SET and DOWN to return to the  
Group/Channel Mode  
7. Press and hold UP and DOWN for 3 seconds  
to lock out SET  
8. Press and hold UP and DOWN again to activate SET  
9. Press and hold UP, DOWN, and SET  
to lock power (see Section 4)  
10. Press and hold UP, DOWN, and SET to unlock power  
-8-  
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Transmitter On/Off Lock-Out  
There are two On/Off lockout modes available, One  
Time and Everytime.  
Once the working Group has been established,  
leave the first transmitter on, set the next receiver  
Group to the working Group and run ClearScan for  
Channels. This will provide the next clearest chan-  
nel in that group. Set the transmitter to match, leave  
it on and repeat until all the systems are set up. If  
you run out of clear channels in one group but need  
to set up more systems, contact your dealer or Telex  
for assistance in choosing additional frequencies.  
One Time: Cycle the power switch 3 times in under  
3 seconds and On-Loc will be displayed for a sec-  
ond and then return to normal operation. The power  
switch alone will no longer turn the unit off. To turn  
the unit off, put the power switch in the off position  
(On-Loc will be displayed) open the battery door  
and press [Set], [Up], or [Down] and the unit will  
power down. The next time the unit is powered on,  
the power switch will operate normally.  
Potential Sources of Interference  
There are many potential sources of interference for  
your wireless system. Any electronic product  
that contains digital circuitry including digi-  
tal signal processors (reverb/multi-effects  
units), electronic keyboards, digital lighting control-  
lers, CD and DVD players, and computers, all emit  
RF energy that can adversely affect the performance  
of your wireless system. It is always best to place  
the receiver as far away as possible from these de-  
vices to minimize potential problems.  
Everytime Use: With the unit on and operating in  
the normal mode, press and hold [Set], [Up], and  
[Down] for 3 seconds. On-Loc will be displayed  
and the power switch alone will no longer turn the  
unit off. To turn the unit off, put the power switch in  
the off position, (On-Loc will be displayed), open  
the battery door and press [Set], [Up], or [Down]  
and the unit will power down. The next time the  
unit is powered on, the On-loc function will still be  
on. To enable the power switch, press and hold  
[Set], [Up], and [Down] for 3 seconds (On-Off will  
be displayed).  
Analog and Digital Television stations can also in-  
terfere with your wireless system. The FMR-500 is  
designed to operate over 28 MHz of RF bandwidth,  
which covers six TV channels. The factory presets  
on the FMR-500 are optimized for conditions where  
one, two, or possibly three of the six stations are  
covered in your area. If four or more of the six sta-  
tions are used in your area, it will severely limit the  
number of systems that will operate together and  
you should be using a different band.  
Guidelines and Recommendations  
for Best Performance  
Compatibility  
The transmitter and receiver must be of the same  
frequency band and set to the same group and chan-  
nel in order to work together. The FMR-500 is  
available in two frequency bands, A and B. The  
band information is available in the Group/Channel  
edit screen on the receiver, the bottom label on the  
handheld transmitter, and on the back panel label on  
the bodypack.  
Battery Recommendations  
Fresh 9-volt alkaline batteries form a quality manu-  
facturer will yield the best performance from your  
transmitters. Rechargeable 8.4-volt Ni-Cad batteries  
can be used but will result in much shorter opera-  
tion time.  
Using Multiple Wireless Systems  
When the transmitters are turned on, the red battery  
LED will flash once if the battery is good. If the  
light does not light or stays lit continuously, the bat-  
tery is weak or dead. If the light comes on during  
use, the battery is weakening and should be re-  
placed as soon as possible. If sound quality de-  
grades during use, it may be the result of a  
weakening battery.  
If two or more FMR-500 systems and/or other  
UHF/VHF wireless systems are being used in the  
same location, proper frequency coordination is  
necessary to avoid interference. All channels in the  
FMR-500 factory set groups are designed to work  
together, so if channels from just one group are used  
no further coordination is required. Contact your  
dealer or Telex for assistance if you are planning  
more systems or using the FMR-500 with other  
wireless equipment.  
Caution: The battery level indicators, on the  
transmitters and receiver displays, are based on  
the use of alkaline batteries. Use of other battery  
types will result in false readings on these indica-  
tors although the battery low LED on the trans-  
mitters will operate normally.  
IMPORTANT NOTE: Always use the  
smallest preset group that meets your  
needs. For instance, if you want to set up  
6 units, use one of the groups of 8 fre-  
quencies. The smaller the preset group,  
the more compatible the frequencies are.  
Receiver and Antenna Placement  
Do not place the receiver near a large metal object  
or surface. Locate the receiver as close as possible  
to the area where the transmitter will be used. Ide-  
ally, position the receiver/antennas within sight of  
the transmitter. When using multiple systems, do  
not allow antennas to cross or touch each other. For  
best results with multiple receivers, use a UAD-2  
antenna splitter. (See Section 7).  
Multiple Systems  
and Advanced ClearScan  
Because all of the channels in the factory set groups  
are compatible, Advanced ClearScan can be used to  
set up multiple systems quickly and with confi-  
dence. When setting up more than one system, set  
up the first system using the Auto-ClearScanTM  
function.  
-9-  
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Section 5 - Trouble Shooting Guide  
Possible Causes  
Solutions  
Problem  
Receiver is off  
Make sure that the power  
supply is properly connected  
and the on/off button is in  
the on position  
No audio and no display on  
the receiver  
Transmitter is off  
Turn on transmitter power  
switch  
No audio and no RF signal  
indicator on the receiver dis-  
play  
Transmitter is on a different  
channel  
Match the transmitter group  
and channel to the one dis-  
played on the receiver  
No (or dead) battery in trans-  
mitter  
Insert fresh battery in trans-  
mitter  
Faulty battery contacts  
Clean and or bend contact  
Microphone not connected  
Check the TA4F connector  
on the bodypack or the de-  
tachable microphone element  
connection on the handheld  
No Audio with good RF sig-  
nal indicator but no (or low)  
Audio indicator on the re-  
ceiver display  
Low gain setting on the  
transmitter  
Increase the transmitter gain  
Receiver audio output cable  
is damaged or disconnected  
Connect, repair or replace  
cable  
No (or low) Audio with good  
RF signal and Audio indica-  
tors on receiver display  
Gain not sufficient on  
mixer/preamp/amp input or it  
is muted  
Increase gain on mixer or  
un-mute the input  
Receiver output too low  
(1/4" output)  
Increase the audio output  
setting  
Transmitter audio gain  
too high  
Decrease the transmitter gain  
setting  
Distorted audio signal  
Receiver output too high  
(1/4" output)  
Decrease the receiver output  
setting  
Battery level low in  
transmitter  
Insert fresh battery in  
transmitter  
Another FMR-500 system in  
the installation is on the  
same channel or the signals  
are mixing  
Make sure all the channels in  
use are from the same group.  
Use ClearScan to select the  
clearest group. If more chan-  
nels are needed call Telex at  
800-392-3497 for coordina-  
tion help  
Interference  
Another wireless product in  
the area is on the same fre-  
quency or the signals are  
mixing  
Use ClearScan to change the  
operating frequency. If prob-  
lems persist, call Telex at  
800-392-3497 for coordina-  
tion help  
-10-  
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Trouble Shooting Guide (continued)  
Possible Causes  
Solutions  
Problem  
Receiver is too close to digi-  
tal signal processor or similar  
device  
Move the receiver to a  
different location  
Interference (continued)  
Strong electromagnetic field  
from stage lighting or other  
source near the transmitter or  
receiver, which may be pro-  
ducing RF noise at or near  
the operating frequency  
Use ClearScan to change the  
operating frequency. Repair  
or remove the source of in-  
terference. Move the receiver  
to a different location  
RF reflective metal obstacles  
between the transmitter and  
receiver  
Move the obstacles, or repo-  
sition the receiver/antennas  
Short range or drop-outs  
Poorly oriented beltpack  
antenna  
Check the antenna connec-  
tion and re-orient the  
bodypack so the antenna is  
vertical (up and down) and  
facing the receiver, if possi-  
ble  
Faulty receiving antenna  
system  
Check all antenna connec-  
tions and reposition to be in  
line-of-sight with the trans-  
mitter  
Lock-out feature is enabled  
On/Off lock-out is engaged  
Disable lock out  
(see pages 3 and 9)  
Can't change settings on  
receiver or transmitter  
Put the on/off switch in the  
off position and press one of  
the programming buttons  
(see page 9)  
Bodypack or Handheld  
transmitter will not turn off,  
display says On-Loc  
-11-  
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Section 6 - Technical Specifications  
FMR-500 Receiver  
Specifications  
Overall  
Receiver Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Synthesized PLL  
Frequency Range (RF) . . . . . . . . . . . . . . . . . . . . . A Band 648 - 676 MHz (TV Channels 43 - 48)  
B Band 696 - 724 MHz (TV Channels 54 - 56)  
Number of Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >1122 possible frequencies  
Programmable in 25 kHz steps  
Modulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +/- 40 kHz  
Diversity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digital Posi -PhaseTM True Diversity  
RF Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <1.0 µV for 12 dB SINAD  
Image Rejection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >60 dB  
Squelch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tone Code plus Amplitude  
Ultimate Quieting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >100 dB  
FCC Certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Approved under Part 15  
Power Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-15V AC/DC, 300mA  
Operating Temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -7° to 49° C (20° to 120° F)  
Receiver Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.72 in. H x 7.50 in. W x 5.9 in. D  
43.69 mm H x 190.50 mm W x 150 mm D  
Audio Parameters  
Frequency Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 - 15 kHz +/- 2dB  
Balanced Output (typical) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (max @ 40 kHz deviation)  
330mV RMS 100K OHM Load, Mic Position  
10mV to 2V RMS 100K OHM Load, Line Position  
Unbalanced Output . . . . . . . . . . . . . . . . . . . . . . adjustable 10 mV to 1V RMS, 100K OHM Load  
Distortion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . <1.0%, 0.5% typical (ref 1kHz, 40kHz deviation)  
Signal-to-Noise Ratio. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >100 dB A Weighted  
Dynamic Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >100 dB  
Transmitters WT-500 and HT-500  
Radiated Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 mW Typical  
Microphone Head ElectroVoice 767a . . . . . . . . . . . . . N/D 767a supercardioid N/DYM dynamic  
Microphone Head ElectroVoice RE410 . . . . . . . . . . . . . . . . . . . . . . . . RE410 cardioid condenser  
Standard Lavalier Microphone. . . . . . . . . . . . . . . . . . . . . ELM-22 Omni-Dierctional Condenser  
TA4F Connector Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pin 1: Ground; Pin 2 Mic Input;  
Pin 3: +5V bias; Pin 4: +5V bias  
through a 3kW resistor  
Audio Gain Adjustment Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 dB WT-500  
26 dB HT-500  
Power Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Volt Alkaline Battery  
Battery Life (Typical) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >8 hours with 9-Volt Alkaline Typical  
Bodypack Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Flexible external 1/4 wave  
Handheld Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internal 1/2 wave  
Dimensions (Handheld) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24.0 cm (9.4 in.) Long  
Dimensions (bodypack) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.8 in. H x 2.38 in. W x 0.92 in. D  
96.5 mm H x 60.5 mm W x 23.4 mm D  
-12-  
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Section 7 - Accessories and Parts  
MODEL No.  
WLM-50  
UML21  
Order No.  
64277000  
ULM21  
Omnidirectional Lapel Microphone  
Unidirectional Lapel Microphone  
Premium Omnidirectional Lapel Microphone  
ELM-22  
70925006  
Premium Lapel/Instrument  
Unidirectional Microphone  
ELM-33  
HM2  
70926001  
HM2  
Presenter's Headworn Microphone  
Singer's Headworn Microphone  
Hard Shell, Foam lined Road Case  
Foam Windscreen for Handheld  
Handheld Transmitter Color Kit  
Bodypack Pouch  
HM7  
HM7  
RC-RE2  
379-1  
7185800  
3792031  
7185700  
879553  
879706  
71081001  
71081004  
HHCK  
WP-1000  
MAC-G3  
RMS  
Guitar Cord  
Single Receiver Rack Mount Kit  
Single Rack Mount Kit with front  
mount antenna cables  
RMS-TNC  
Double Rack Mount Kit  
RM-D  
71081002  
878978  
Front Mount Antenna Cables (4)  
FMC-K  
1/4 Wave Rx Antenna  
600-746 MHz (A/B Bands)  
ANU-14  
FA-500  
879010  
860031  
1/2 Wave Rx Antenna  
(680-870 MHz)  
1/2 Wave Antenna Mounting  
Bracket with 10' of Coax  
AB-2  
71138000  
71253000  
Antenna/Pwr Distribution  
(600-780 MHz) (A/B Bands)  
UAD-2  
Termination Plug for UAD-2  
TP-2  
650095  
Directional Rx Antenna  
(450-900 MHz) (A/B Bands)  
ALP-450  
71147000  
Low Loss Coaxial Antenna Cable  
(25, 50, 75, 100 ft. with TNC Connectors)  
CXU-25  
CXU-50  
CXU-75  
CXU-100  
71151025  
71151050  
71151075  
71151100  
-13-  
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Section 8 - Factory Service/Warranty (Limited)  
FACTORY SERVICE (North America)  
If factory service is required, ship the unit prepaid in its original carton to:  
TELEX COMMUNICATIONS, INC.  
Audio Service  
8601 East Cornhusker Highway,  
Lincoln, Nebraska 68507-9702 U.S.A.  
Phone: (402) 467-5321 or 800-553-5992  
Fax: 402-467-3279  
Enclose a note describing the problem along with any other pertinent information and how to con-  
tact you.  
Warranty (Limited)  
Telex products are guaranteed against malfunction due to defects in materials or workmanship for a  
specific period, as noted in the individual product-line statements(s) below, or in the individual  
product data sheet or owner's manual, beginning with the date of original purchase. If such malfunc-  
tion occurs during the specified period, the product will be repaired or replaced (at our option) with-  
out charge. The product will be returned to the customer prepaid via UPS Ground.  
Exclusions and Limitations: The Limited Warranty does not apply to: (a) exterior finish or appear-  
ance; (b) certain specific described in the individual product-line statement(s) below, or in the indi-  
vidual product data sheet or owner's manual; (c) malfunction resulting from use or operation of the  
product other than as specified in the product data sheet or owner's manual; (d) malfunction result-  
ing from misuse or abuse of the product; or (e) malfunction occurring at any time after repairs have  
been made to the product by anyone other than Telex or any of its authorized service representatives.  
Obtaining Warranty Service: To obtain warranty service, the customer must deliver the product,  
prepaid, to Telex or any of its authorized service representatives together with proof of purchase of  
the product in the form of a bill of sale or receipted invoice. A list of authorized service representa-  
tives is available from Telex.  
Incidental and Consequential Damages Excluded: Product repair or replacement and return to the  
customer are the only remedies provided to the customer. Telex shall not be liable for any incidental  
or consequential damages including, without limitation, injury to persons or property or loss of use.  
Incidental and Consequential Damages Excluded: Product repair or replacement and return to the  
customer are the only remedies provided to the customer. Telex shall not be liable for any incidental  
or consequential damages including, without limitation, injury to persons or property or loss of use.  
Other Rights (United States Only): This warranty gives you specific legal rights and you may also  
have other rights, which vary from state to state.  
Telex Wireless systems are guaranteed against malfunction due to defects in materials or workman-  
ship for a period of three (3) years from the date of original purchase. The Limited Warranty does  
not extend to cables or cable connectors. Additional details are included in the Uniform Limited  
Warranty Statement. Technical Assistance; 800-392-2497 (U.S. and Canada only)  
TELEX COMMUNICATIONS, INC. 12000 Portland Ave. South, Burnsville, MN 55337  
PN 803666 Rev B  
Sept 2003  
Made in U.S.A.  
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