SEIKAKU TECHNICAL GROUP UPUL-MODAU-HM Wireless Microphone User Manual MOD 16PRO 16H 16P ALTO FCC

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User's Manual
WIRELESS MICROPHONE SYSTEM
MOD-16PRO
MOD-16H/16P/16LV/16HS/16G SERIES
SEIKAKU TECHNICAL GROUP LIMITED
No. 1, Lane 17, Sec. 2, Han Shi West Road, Taichung 40151, Taiwan
http://www.altoproaudio.com Tel: 886-4-22313737
email: alto@altoproaudio.com Fax: 886-4-22346757
All rights reserved to ALTO. All features and content might be changed
without prior notice. Any photocopy, translation, or reproduction of part of this
manual without written permission is forbidden. Copyright 2006
SEIKAKU GROUP
NF02683-1.0
LTO
www.altoproaudio.com
Version 1.0 Oct. 2006
English
SAFETY RELATED SYMBOLS
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
The symbol is used to indicate that some
hazardous live terminals are involved
within this apparatus, even under the
normal operating conditions.
The symbol is used in the service documentation to indicate that specific
component shall be only replaced by
the component specified in that documentation for safety reasons.
Protective grounding terminal.
Alternating current /voltage.
Hazardous live terminal .
ON: Denotes the apparatus turns on.
OFF: Denotes the apparatus turns off, because of using the single pole switch, be sure
to unplug the AC power to prevent any electric shock before you proceed your service.
WARNING: Describes precautions that
should be observed to prevent the danger
of injury or death to the user.
Disposing of this product should
not be placed in municipal waste
and should be separate collection.
CAUTION: Describes precautions that
should be observed to prevent danger of the
apparatus.
WARNING
Power Supply
Ensure the source voltage matches the
voltage of the power supply before turning
ON the apparatus.
Unplug this apparatus during lightning
storms or when unused for long periods
of time.
External Connection
The external wiring connected to the output hazardous live terminals requires
installation by an instructed person, or
the use of ready-made leads or cords.
Do not Remove any Cover
There are maybe some areas with high
voltages inside, to reduce the risk of electric
shock, do not remove any cover if the power
supply is connected.
The cover should be removed by the qualified personnel only.
No user serviceable parts inside.
Fuse
To prevent a fire, make sure to use fuses
with specified standard (current, voltage,
type). Do not use a different fuse or short
circuit the fuse holder.
Before replacing the fuse, turn OFF the
apparatus and disconnected the power
source.
Protective Grounding
Make sure to connect the protective
grounding to prevent any electric shock
before turning ON the apparatus.
Never cut off the internal or external protective grounding wire or disconnect the
wiring of protective grounding terminal.
Operating Conditions
This apparatus shall not be exposed to
dripping or splashing and that no objects
filled with liquids, such as vases, shall be
placed on this apparatus.
To reduce the risk of fire or electric shock,
do not expose this apparatus to rain or
moisture.
Do not use this apparatus near water.
Install in accordance with the manufacturer's
8. Warranty
1. WARRANTY REGISTRATION CARD
To obtain Warranty Service, the buyer should first fill out and return the
enclosed Warranty Registration Card within 10 days of the Purchase
Date. All the information presented in this Warranty Registration Card
gives the manu-facturer a better understanding of the sales status, so
as to purport a more effective and efficient after-sales warranty service.
Please fill out all the information carefully and genuinely, miswriting or
absence of this card will void any of your warranty service.
2. RETURN NOTICE
2.1 In case of return for any warranty service, please make sure that the
product is well packed in its original shipping carton, and it can protect
your unit from any other extra damage.
2.2 Please provide a copy of your sales receipt or other proof of purchase
with the returned machine, and give detail information about your return
address and contact telephone number.
2.3 A brief description of the defect will be appreciated.
2.4 Please prepay all the costs involved in the return shipping, handling and
insur-ance.
3. TERMS AND CONDITIONS
3.1 LTO warrants that this product will be free from any defects in materials
and/or workmanship for a period of 1 year from the purchase date if you
have completed the Warranty Registration Card in time.
3.2 The warranty service is only available to the original consumer, who purchased
this product directly from the retail dealer, and it can not be transferred.
3.3 During the warranty service, LTO may repair or replace this product
at its own option at no charge to you for parts or for labor in accordance
with the right side of this limited warranty.
3.4 This warranty does not apply to the damages to this product that occurred
as the following conditions:
Instead of operating in accordance with the user's manual thoroughly, any
abuse or misuse of this product.
Normal tear and wear
The product has been altered or modified in any way .
Damage which may have been caused either directly or indirectly by
another product / force / etc.
Abnormal service or repairing by anyone other than the qualified personnel
or technician.
And in such cases, all the expenses will be charged to the buyer.
18
instructions. Do not install near any heat
sources such as radiators, heat registers,
stoves, or other apparatus (including amplifiers) that produce heat. Do not block
any ventilation openings.
No naked flame sources, such as lighted
candles, should be placed on the apparatus.
IMPORTANT SAFETY INSTRUCTIONS
Read these instructions.
Follow all instructions.
Keep these instructions.
Heed all warnings.
Only use attachments/accessories specified by the manufacturer.
Power Cord and Plug
Do not defeat the safety purpose of the
polarized or grounding type plug.
A polarized plug has two blades with
one wider than the other. A grounding
type plug has two blades and a third
grounding prong. The wide blade or the
third prong are provided for your safety.
If the provided plug does not fit into your
outlet, consult an electrician for replacement of the obsolete outlet.
Protect the power cord from being walked on or pinched particularly at plugs,
convenience receptacles, and the point
where they exit from the apparatus.
Cleaning
When the apparatus needs a cleaning, you
can blow off dust from the apparatus with
a blower or clean with rag etc.
Don't use solvents such as benzol, alcohol,
or other fluids with very strong volatility and
flammability for cleaning the apparatus body.
Clean only with dry cloth.
Servicing
Refer all servicing to qualified personnel. To
reduce the risk of electric shock, do not perform
any servicing other than that contained in the
operating instructions unless you are qualified
to do so .
Servicing is required when the apparatus has
been damaged in any way ,such as power
supply cord or plug is damaged , liquid has
been spilled or objects have fallen into the
apparatus, the apparatus has been exposed
to rain or moisture, does not operate normally,
or has been dropped.
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) this device may not cause harmful interference,
and (2) this device must accept any interference
received, including interference that may cause
undesired operation.
WARNING: changes or modifications not expressly
approved by the party responsible for compliance
could void the user's authority to operate the
equipment.
TABLE OF CONTENTS
1. Introduction....................................................................1
2. Features.......................................................................3
3. Control Elements............................................................4
4. Operation......................................................................8
5. Modelling Technology for Wireless Microphones..........11
6. Technical Specifications..................................................14
7. Annex..........................................................................16
8. Warranty......................................................................18
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17
7. ANNEX
1. Introduction
7.1 Frequency Band Selection
Most countries closely regulate the radio frequencies used in the transmission
of wireless information. These regulations state which devices can use which
frequencies, and help to limit the amount of RF(radio frequency)interference
in all wireless communications. To be flexible enough to operate worldwide,
MOD-16PRO Wireless receivers are available in a number of models, each
with a unique frequency range. Each frequency range, or band, spans up to
24MHz of the wireless broadcast spectrum.
7.2 Frequency Ranges
LTO MOD-16 wireless systems have been designed for Vocalists, Presenters
and performing Musicians. These wireless systems are based on a sophisticated
and innovative PLL circuit but, at the same time, are worry-free and easy to
use. Large back lighted displays are available both on the Receiver and the
Transmitters and simple Menus allow for a large number of functions such
as Frequency Select, Sensitivity, Muting, etc. But what makes the MOD-16
wireless systems truly unique is the MODELING circuit. Special Models have
been created for human voice as well as for electric guitar and bass so that
your MOD-16 wireless system allows for unprecedented flexibility of sound.
It is like to have 16 different systems in one system only.
Please read this Manual carefully before operation and enjoy playing with
your MOD-16 system!
Your MOD-16 system comes with a MOD-16PRO wireless Receiver and either
one of the following Transmitters:
MOD-16PRO Receiver
MOD-16H
It is a handheld transmitter with rubberised finished and hi-fi level
microphone capsule.
16
Type: Dynamic Mic.
Frequency response: 50Hz~16kHz( 3dB)
Impedance: 300
20% at 1kHz
Sensitivity: -71dB 3dB
Direction: Omni-directional
MODEL
MOD-16H
SPECIFICATION
Oscillation mode
PLL UHF SYNTHESIZED
MOD-16P/16LV/16HS/16G
Carrier frequency band
UHF 470-900 MHz
Frequency response
Dependent on applicable country regulations
50 Hz-15KHz ( 3dB)
Frequency stability
0.005% (-10
~ 50
T.H.D.
1KHz<0.8%
Modulation mode
FM (F3E)
5-50mW(adjustable 3 bands)
RF output power
Dynamic
100dB
Tone frequency
30-33 KHz
Current drain
100mA
Max. Deviation
Battery
Optional
Mic. Capsule(optional)
35KHz
"AA" type 2
Nickel hydrogen battery +charger
MOD-16P/16LV/16HS/16G
Dimensions
Condenser or Dynamic Capsule Condenser or Dynamic Capsule
97mm 6 8mm 2 2mm(3.82" 2.68" 0.87")
277 36.5mm (10.9" 1.44")
A bodypack transmitter with belt clip. The MOD-16P transmitter will come with either:
Weight
0.246Kg
0.082Kg
1.A cable to be connected to an electric guitar or bass(MOD-16G)
2.A Lavalier Microphone. This is the little "bug" to be clipped on ties, shirts, nipples,
Etc.(MOD-16LV)
3.A Headset Microphone that is fit like a pair of sunglasses so that the Player has
both hands free to play an instrument, dance, shot the Audience, etc.(MOD-16HS)
15
6. Technical Specifications
MODEL
MOD-16PRO
Channel
Multi-channels, up to 100 frequency presets for
each frequency bands
Frequency band
UHF 470-900 MHz
Dependent on applicable country regulations
Receiver type
PLL UHF SYNTHESIZED
50 Hz-15KHz ( 3dB)
Frequency response
Frequency stability
0.005% (-10 -50 )
Modulation mode
S/N Ratio
1KHZ 0.8%
FM (F3E)
90dB
Dynamic
RF sensitivity
100dB
-100 dBm/30dB SINAD
Audio output
Unbalanced 6.3mm phone jack 550mV ;
Balance output
Power supply
1.1V , 20KHz deviation
T.H.D.
20KHz deviation
Dimensions
Weight
DC 15V/ 500mA
(AC 115V/230V 50/60Hz adaptor)
217(W) 122(D) 44(H)mm;
(8.2" 6.1" 1.7)
0.385Kg
HM-38, Condenser microphone
Preset impedance: 600ohm;
Freq. response: 80-12KHz;
Sensitivity: -68dB+/-3dB at 1KHz;
Directional: Uni-directional;
Weight: 52g (0.12Ib)
LM-10, Clip microphone
Preset impedance: 680ohm;
Freq. response: 50-12KHz;
Sensitivity: -65dB 3dB at 1KHz
Directional: 12 180mm
( 0.47" 7.1")
Weight: 22g(0.049Ib)
2. Features
FEATURES OF MOD-16PRO, PLL UHF DIVERSITY RECEIVER
The friendly User Interface including two digit displays and intuitive MENU
system for easy operation.
2 Antennas and switching diversity circuit
Selector for three different output levels depending of kind of receiver used
Squelch control to minimize noise.
FEATURES OF MOD-16H/16P/16LV/16HS/16G TRANSMITTERS
Soft touch rubberised painting to avoid handling noise
Rechargeable battery design
Selector for three different output levels depending of kind of receiver used
LCD display
Battery status display
Mute function (this function is very welcomed by Politicians...)
Lock function to avoid miss action during a live performance
Each MOD-16 System complies with EMC regulations and includes 100 different
channels. (Not all channels may be available in certain Countries depending on
local regulations).
They are manufactured under ISO9000:2000, ISO/TS 16949:2002 quality
management system.
14
3. Control Elements:
Ok, enough with numbers. Let's start to familiarize with your MOD-16 System.
First of all, the MOD-16PRO Receiver:
3.1 MOD-16PRO, PLL UHF Diversity Receiver
FRONT PANEL
MODEL 5: DE-ESSER- The name tells everything. Use it to de-emphasize the sibilants,
like the letter sound 's', for example, from your vocals.
MODEL 6: VINTAGE RADIO- Old tube based Receivers made the Announcer voice
sound like... yeah, we call it Vintage. Try it for a smooth satin voice. Ideally used
for speech, but we found some other neat applications in the studio as well!
MODEL 7: MID-WARMTH, a moderate voice enhancement making use of Bass
enhancer.
MODEL 8: GROOVY- to add a touch of groove to Male and Female Lead Vocalist.
Perfect for Blues.
MODEL 9: SHARP- makes human voice quite crispy. Perfect for voice poor in
high frequencies or if you get a cold...
1 Power Switch: We are afraid you can not use the MOD-16R if you
don't switch the Power ON!
MODEL 10: KARAOKE- yes, microphones are used in a very peculiar way in Karaoke
Bars and Venues. Usually the sound systems there are poor. Use this Model to
add high frequencies and have your voice sound like a Pro's!
2 UP/DOWN Keys: You can adjust the right values through these two keys
once the MENU is activated.
MODEL 11: PIANO BAR- it similar to the Karaoke Model but we have also added
key low frequencies to give the voice more body.
3 DISPLAY: This double digit display shows you the number of channel operating
on your MOD-16PRO. The same number must appear on your Transmitter
for proper functioning.
MODEL 12: HEAVY METAL- This model will make your voice sound very aggressive.
Good for Rock & Roll and if you have an argument with your Mother in law...
4 AF Display: It shows the level of the incoming audio signal. When "0"
LED lights up the incoming audio signal is optimized and will not present
distortion. If the "+6" LED lights up, the audio signal is overloaded and
you will hear distortion. If only the "-12" LED lights up only 10% of the
available signal reaches the Receiver. For optimal sound reproduction,
please do not exceed the "0" level.
5 RF Display: It shows the level of the incoming radio signal. Optimum reception
is granted when all the LEDs light up. If no LED lights up, there is minimum
or no radio signal coming into the Receiver. If only a few LEDs light up you
may still operate the system but it means you are in a poor reception mode
due to Antenna positioning, distance in between Receiver and Transmitter.
6 MENU Key (SET): Via this key you can activate the desired function described
above.
MODEL13: DISCO- It is similar to the Heavy Metal model but more tailored for
Disco Music.
MODEL14: CHOIR- Selected frequencies have been manipulated to make this
Model suitable for more than one vocalist when singing in a choir
MODEL 15: FEMALE VOICE- Female Singers voices present a frequency response
that is quite different from the Male voice. This Model gently adds certain low
frequencies to make the female voice more consistent and at the same time
will make the highest frequencies of the female voice more sparkling and defined.
MODEL 16: PIANO BAR CHOIR- It is a combination of the Karaoke Model and
the Piano Bar Model. Good when more than one voice is singing along together.
7 Modeller: Adjust this knob to select the right modelling preset you wish
to perform. There are total 16 options for you. Please refer to 5. Modelling
Technology for Microphones for further details.
13
microphone capsules for their wireless systems but this flexibility is far behind
the wide choice of tones or "models", as we call them at LTO. In fact, a
specific model of wireless microphone may be used by a male vocalist or
female vocalist during a live performance, by a Priest in a church service,
by a speaker during a seminar, by and aerobics teacher during a training
lesson, by a DJ, by a choir, by an announcer, by an auction director, we
could go on and on forever with endless applications.
8 Volume Control: This knob sets the audio signal level outputted through
the balanced and unbalanced output jacks on the rear panel. Turn the knob
clockwise fully for the max volume, and turn the knob counterclockwise fully
for the min volume.
9 Antenna Input Sockets: Includes 2 antennas to secure the Diversity function.
For optimal radio reception antennas should be placed vertically. You can
fold the antennas inward for convenience of transportation.
It is now evident that each one of these users would benefit from a different
tone or "model". But even the same user would like to get a different voicing
or "model" depending on the style he is singing. What model serves the music
best? It's fair to say that it will be different whether he's singing Rock, Blues,
or Folk and, of course can also change from song to song. It is unlikely to buy
several different microphone capsules in order to get different tone or "model"
depending of the kind of use of performance. This would be unpractical, since
it would be impossible to change a microphone capsule during a performance,
not to mention the cost involved.
THE REAR PANEL
LTO has therefore created and integrated in some of its wireless receivers a
range of MODELS. Using these 16 different MODELS the user can select
different sound patterns simply with the turn of one knob. There are preset
MODELS for male and female Vocalists, DJ, Speakers, Announcers, and more.
In a few words, with the LTO modelling technology applied to wireless systems,
the User can "fine tune" the sound of his microphone in 16 different ways.
1 Audio Output XLR: To connect a balanced cable with XLR connector (Yes,
we forgot to tell you that although your MOD-16 system is wireless, you
still need to connect the receiver to your Mixing Desk and to a wall plug!)
Here is a List and description of the MODELS available on the
LTO Receivers:
2 Audio Output Jack: To be used with an unbalanced cable and standard
1/4" mono jack.
3 DC Input: You can connect the supplied Adapter to this socket.
4 Squelch: The job of a squelch circuit is to reduce audible noise.
MODEL 1: FLAT- In this position the Modeller is in bypass mode. The
Modeller is not adding any character to the Audio Output
LTO
MODEL 2: CONFERENCE- To be used during Meetings. Especially made for
speech and to avoid the typical boominess of many wireless microphones used
for such purpose.
5 LOW-MID-HIGH Key: By pressing this key you can change the Audio
Output level of your transmitter:
LOW = -12dB
MID = -6dB
HI = 0dB
3.2 THE MOD16H Handheld Transmitter
MODEL 3: BROADCAST- This Model will add a certain character to the signal.
It is typical of the Male Announcers through a solid state Transmitter.
MODEL 4: WARMTH- Good for Lead Vocalist Male and Female.
It will make the Male voice warmer and the Female voice more body.
12
1 Front Grill: This spring steel mesh grill will protect the microphone capsule
during a live performance. Especially made for heavy metal players, alcohol,
drugs, etc..
2 LCD Display: This nice blue LCD will indicate the current operation status.
3 CH/ON Key: If you press this key for a few seconds your Transmitter will
switch ON and OFF. Once you have switched the unit ON, just press this key
again slightly and you can edit various parameters such as CHANNEL, GROUP,
RF POWER LEVEL and LOCK/UNLOCK. Once you are in the LOCK position no
further operation is allowed and, in a few seconds, the display will show the
current channel selected (0 to 99). Battery level will also be shown.
battery status
4 SELECT Key: Once you are in edit mode you can access this key to edit certain
parameters. Press this key for a few seconds and the unit will enter in the
MUTE mode. (In this way, you can tell your Bass Player what you think about
the Sound Engineer without everybody knowing that!). Press it again for a few
seconds and you will unmute the unit.
5 Battery Compartment: This unit may be powered from one pair of dry or
rechargeable batteries, Um3 size AA 1.5V.
6 Charge Jack: With the rechargeable batteries putting inside, use the charger
supplied in your system to recharge the batteries.
7 Antenna: The Antenna of your MOD-16H is integrated in the microphone
body. Please do not cover the antenna for optimal RF transmission.
- Mute Function
Sometimes, there are things that you want to tell to your Friends on stage or your near
by Companion during a Meeting but not necessarily to the rest of the world especially if
you are live on CNN... A smart feature on your Transmitter allows you to easily MUTE
the microphone so you are free to talk to the people next to you without the rest of the
world hearing what you say. To enter into MUTE function simply press the SELECT key
for a few seconds and the Transmitter will mute any audio signal going to the Receiver.
Press SELECT again for a few seconds and you will UNMUTE the Transmitter.
Note: Why Alto Transmitters come with 100 different frequencies? Not because
you will need to use 100 different microphones at the same time. It is unlikely
that you will use more than 8 systems at the same time so why 100 frequencies?
This depends mainly of Countries regulations. We offer frequencies from
470 to 900 MHZ. Some of these frequencies are illegal in certain Countries
and vice versa. Offering such a wide range of frequencies we make sure that
each single Country on the planet will have more than enough choice of
frequencies available. Not only: A certain frequency can be to close to the
frequency generated by lighting equipment, a computer, a fax machine and
so on. Therefore, thanks to the large number of frequencies available you
can easily switch to another frequency that is interference-free.
5. Modelling Technology for Wireless Microphones
This document applies to all LTO Wireless Receivers used in conjunction with
LTO Handheld and Bodypack Transmitters
Fundamentals: LTO has created and integrated a wireless microphone
system offering 16 modelling presets resulting in a range of tonal response
for a wide variety of applications. Until this innovative introduction made for
the first time in the world in a wireless system by LTO, wireless systems
consisting of receiver and microphone transmitters produced a single sound
pattern. Each microphone capsule design, because of the laws of physics,
features its own frequency response and adds a certain tonal colour to the
signal it transmits. If you do not like the colour added, you must change
the microphone section of your transmitter, much like a painter chooses
a different colour from his palate. Many brands today offer several different
11
- RF Output Power Select
3.3 MOD-16P/16LV/16HS/16G, Body Pack Transmitter
Your Transmitter can operate on three different levels of output power. These are
different form the Handheld Model and the Bodypack model.
For the Handheld model the levels are
- PL 0, the output power is 5dBm;
- PL 1, the output power is 10dBm;
- PL 2, the output power is 15dBm;
and for the Bodypack version the levels are
1. LCD display: This nice blue LCD will indicate the current operation status.
- PL 0, the output power is 3dBm;
- PL 1, the output power is 5dBm;
- PL 2, the output power is 12dBm;
2. CH-ON Key: If you press this key for a few seconds your Transmitter will
switch ON and OFF. Once you have switched the unit ON, just press this
key again slightly and you can edit various parameters such as CHANNEL,
GROUP, RF POWER LEVEL and LOCK/UNLOCK. Once you are in the LOCK
position no further operation is allowed and, in a few seconds, the display
will show the current channel selected (0 to 99). Battery level will also be
shown.
To select the proper Output Level, please press the CH/ON key three times and
you will access the OUTPUT LEVEL Menu. Then press the SELECT key to change
the output level from PL 0 to PL 2. IN a few seconds your setting will be automatically
stored and the display will show again the operating frequency.
- LOCK Function
You don't want accidental change of frequency or other setting in the middle
of a performance, do you? Any miss-operation during a live performance can
be easily avoided thanks to the LOCK function. With the LOCK function ON no
further change of setting is allowed until the Transmitter is unlocked. To access
the LOCK menu press the CH/ON key four times and then press the SELECT
key to lock or unlock the Transmitter Settings. Your choice of setting will
automatically be saved into the Transmitter in a few seconds. The blue display
shows "lock" and "unlock" depending on the operating mode.
3. SELECT key: Once you are in operation mode you can access this key to
edit certain parameters. Press this key for a few seconds and the unit
will enter in the MUTE mode. (In this way, you can tell your Bass Player
what you think about the Sound Engineer without everybody knowing that!).
Press it again for a few seconds and you will unmute the unit.
4 Mini 4P Connector: This connector is used to connect the unit with the
clip microphones, for example, HM-38 condenser microphone or LM-10
clip microphone.
1 4 3
Pin 1, for guitar, bass and keyboards
Pin 2, GND
Pin 3, Phantom power supply for Condenser microphone
Pin 4, for Dynamic or Condenser microphone
Fig 4: LOCK
Fig 5: UNLOCK
5 Charge Jack: With the rechargeable batteries put inside, use the charger
supplied in your system to recharge the batteries.
6 Battery Compartment: This unit may be powered from one pair dry or
rechargeable batteries, UM3 size AA 1.5V.
10
7 Belt Clip: It is a detachable belt clip for easy carry during the live applications.
8 Antenna: It is a flexible antenna. To get effective transmission, never cover the
antenna with hand, clothes, etc during the operation, and always position the
transmitter nearby the receiver.
OK, if so far you remember all the functions and features of your Mod16 System
you are ready to operate the Unit. Let's start from the Receiver:
4. Operation
4.1 For the MOD-16PRO, PLL UHF Diversity Receiver
First, turn the Unit ON. With your Transmitter in ON position, check the Channel
Number indicated on the Transmitter display. Now, press the UP/DOWN keys until
the same value is shown on the double digit display of your MOD-16 Receiver. Once
Receiver and Transmitter are synchronized the LED Meters for Audio signal and
Radio frequency will light up.
- Audio Output Level
The volume control knob adjusts the amount of audio signal to be sent to the
mixing desk through the balanced or unbalanced output sockets on the rear
panel. Turn the volume knob clockwise for maximum output and counterclockwise
for minimum output volume.
4.2 For the MOD-16H/16P/16LV/16HS/16G transmitters
And now that you know how to operate your Mod16PRO Receiver, let's learn how
to use the MOD-16 Transmitters. The following instructions apply both to the
handheld version and to the bodypack version.
There are 2 keys on the Transmitter labelled CH/ON and SELECT.
Press the CH/ON key for a few seconds and the transmitter will be powered ON.
At this point the blue back lighted display will show:
The channel at which the unit is operating
The Battery Status
Preset Channel
Remaining battery life
With the Transmitter switch ON you can slightly press the CH/ON key
again and you will access to the following parameters:
Preset Channel
RF power level
Lock/Unlock
In your Transmitter there are 100 frequencies. Each Group according
to EMC regulations.
To select a frequency you must first switch your Transmitter ON by
pressing the CH/ON key for a few seconds until you hear the beep
and the blue display is lighted. Then press the CH/ON key again slightly
and you will access the CHANNEL menu. At this point use the SELECT
key to change the frequency value from 1 to 99. Your setting will be
automatically saved in a few seconds and the display will go back to
the main menu showing the operating frequency.
- Squelch Control:
A squelch circuit is responsible to minimize audible noise during operation.
Such circuit will mute the Receiver every time the incoming audio signal
drops below a certain threshold. You must use the squelch control with
maximum care. If the threshold is too high the squelch circuit will not only
cut the noise but also mute certain low-level audio signals. Please experiment
various threshold levels before Live operation and choose the most appropriate
for your event.

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Title                           : MOD-16PRO-16H-16P ALTO-FCC.cdr

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