Shure MX690 Manuale utente

MX690 MX890

Desktop Base and Boundary Microphone

The Shure microflex wireless desktop base and boundary mircophone, MX690 and MX890, user guide.

Version: 1.1 (2020-K)

Shure Incorporated
2/13
Table of Contents
MX690 MX890   Desktop Base and Boundary Micro
phone 3
MX890 Wireless Desktop Base 3
MX690 Wireless Boundary Microphone 3
Features 3
Placement 3
MX890 Microphone Placement 4
MX690 Microphone Placement 4
Receiver 4
Power On/Off 4
MX890 Connecting Gooseneck 5
Low-Cut Filter 5
Battery 5
Installation 5
Power Meter 6
Low Power Indicator 6
Mute Button 6
Toggle (as supplied) 6
Momentary 6
To change between toggle and momentary: 6
To change between push-to-talk and push-to-mute: 7
Mute Indicator 7
MX890 7
MX690 7
Locking Settings 8
Logic Mode 8
Automatic Frequency Synchronization 8
Manual Frequency Synchronization 9
Tips for Optimum Performance 9
Troubleshooting 9
Specifications 9
Frequency Selection 10
Frequency Range 10
Certifications 11
Important Product Information 12
LICENSING INFORMATION 12
Australia Warning for Wireless 12
IMPORTANT SAFETY INSTRUCTIONS 13

Shure Incorporated

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•

MX690 MX890 

Desktop Base and Boundary Microphone

MX890 Wireless Desktop Base

TheShureMX890desktopbaseforMX405,MX410andMX415gooseneckmicrophonesofferscable-freeinstallationforcor-

porateboardroomsorotherapplicationsrequiringflexiblemicrophoneconfigurationsandMX415miniaturegooseneckmicro-

phonesaresuitableforboardroomsandothersiteswhereaestheticsareimportant.TheMX890operateswithinthe518–937

MHz band and is compatible with Shure SLX wireless systems.

MX690 Wireless Boundary Microphone

The Shure MX690 microphone offers cable-free installation for corporate boardrooms or other applications requiring flexible

configurations.TheMX690operateswithinthe518–937MHzbandandiscompatiblewithShureSLXwirelesssystems.

Features

Sleek, low profile design

Frequency agile, microprocessor controlled transmitter

IR link to SLX receiver for automatic frequency synchronization

Programmable frequency Group/Channel display

Programmable mute function

Operates on two AA batteries

Compatible with all Shure SLX Wireless systems

MX890 Supports Shure MX405, MX410 and MX415 Mini Gooseneck Microphones

Commshield technology for protection from RF interference

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Placement

MX890 Microphone Placement

Place the MX890 no more than 25 cm (1 ft.) from the edge of the table. Aim the microphone toward the talker and away from

loudspeakersandnoisesources.Useonemicrophoneforeachtalker.Pickupanglewithacardioidcartridgeis130°at–3dB.

Pickupanglewithasupercardioidcartridgeis115°at–3dB.

Note: To minimize RF interference, maintain a distance of at least 0.3 m (1 ft.) between transmitters. In case of interference, increase the distance between

transmitters or change channels.

MX690 Microphone Placement

Place the MX690 within 1.5 m (5 ft.) of a talker. Aim the microphone toward the talkers and away from loudspeakers and noise

sources.Useonemicrophoneforeverytwotalkers.Pickupanglewithacardioidcartridgeis130°at–3dB.

Note: To minimize RF interference, maintain a distance of at least 0.3 m (1 ft.)

Receiver

Make sure the receiver is within sight of the transmitter. Do not place receiver behind a metal barrier or any reflective surface.

Refer to the SLX Wireless System User Guide for more information, or visit www.shure.com.

Power On/Off

With the battery door open, press and hold the ON/OFF button for approximately 2 seconds. Release the button when

the LCD screen illuminates.

To turn off the transmitter, press and hold the ON/OFF button for approximately 2 seconds. Release the button when

the LCD screen is blank. The LEDs on the outside of the microphone will also go dark.

Note: To power on the transmitter without opening the battery compartment, press and hold the plastic ON/OFF button on the battery door for approximately 2

seconds, then release it.

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MX890 Connecting Gooseneck

Align the pin on the microphone flange with the slot on the desktop base.

Insert the gooseneck into the desktop base and lock it in place by rotating the gooseneck sleeve clockwise.

Low-Cut Filter

The low-cut filter attenuates frequencies below 150 Hz by 6 dB per octave.

Battery

Installation

Open the battery compartment as shown.

Inserttwo1.5V"AA"batteries.Makesurethe+/–terminalsareproperlyoriented.

Note: Alkaline batteries last up to 8 hours. Rechargeable, carbon-zinc, and zinc-chloride batteries provide less operating time.

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Power Meter

The battery meter on the LCD shows remaining battery life.

Low Power Indicator

Steady Red: Power low. Replace batteries immediately

Pulsing Red: Batteries dead. Transmitter cannot be turned on until batteries are replaced.

Mute Button

The mute button can be configured for toggle or momentary operation.

Toggle (as supplied)

The PUSH button toggles the microphone between active and muted states.

Note: The microphone always powers up in the active state.

Momentary

There are two types of momentary operation:

Push-to-Mute: The microphone is muted only while the button is pressed and held.

Push-to-Talk: The microphone is active only while the button is pressed and held.

To change between toggle and momentary:

Hold the PUSH button and press the SELECT button. (Test the microphone to confirm the change.)

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To change between push-to-talk and push-to-mute:

Set the button for momentary operation.

Hold the SELECT button and press the PUSH button.

Mute Indicator

MX890

The desktop base illuminates the gooseneck microphone LED to indicate whether the microphone is active or muted. Refer to

the following table:

MX890 Status Indicator

Microphone Status

MX405 / MX410 Indicator MX405R / MX410R Light Ring

Active Green Red

Muted Red/Flashing Green* Off/Flashing*

*To toggle between off and flashing, press PUSH and ON/OFF simultaneously.

MX690

The bi-color LED on the top of the microphone indicates whether the microphone is active or muted.

The LED can also be set to flash when muted.

MX690 Status Indicator

Display Mode Status Indicator

Steady (as supplied)

Active = Green

Muted = Red

Flashing

Active = Green

Muted = Flashing Green

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Locking Settings

Press ON/OFF and SELECT simultaneously to lock or unlock transmitter settings. When locked, the current settings cannot be

manually changed.

Note: Locking the transmitter settings does not disable IR frequency synchronization or the High Pass/Low Cut filter.

Logic Mode

To use with a logic enabled receiver, you must perform an automatic sync. The LCD flashes "log" during sync. Once in logic

mode, the LCD flashes "log" when powered up.

Automatic Frequency Synchronization

Power off all transmitters.

Begin with the first transmitter. Open the battery cover and power it on.

Aim the IR sensor at the first receiver IR port. The transmitter should be no more than 15 cm (6 in.) from the receiver.

Press and hold the receiver SYNCbuttontosendgroupandchanneldatatothetransmitter.TheredLEDonthetrans-

mitter will stop flashing when programming is complete.

Power off the first transmitter and repeat the synchronization with each additional transmitter and receiver pair.

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•

Manual Frequency Synchronization

Press and hold the transmitter SELECT button until the desired group number appears.

Press SELECT again and release it when the desired channel number appears.

Tips for Optimum Performance

Maintain a direct line of sight between the transmitter and receiver antennas.

Avoid placing the transmitter on metal surfaces.

Avoid placing laptop computers or other obstructions in front of the microphone during use.

Only use with a Shure SLX4L wireless receiver.

Troubleshooting

If you encounter difficulty with the SLX Wireless System

Make sure both the transmitter and the receiver are turned on.

Replace the battery if the battery LED is red.

Make sure the Group/Channel settings for each transmitter-receiver pair are identical.

Make sure there is an unobstructed line of sight between the transmitter and receiver.

If necessary, reposition the receiver or decrease the distance between transmitter and receiver.

Remove local sources of RF interference, such as computers or lighting equipment.

Remove metal objects within 0.3 m (1 ft.) of the transmitter

Note: Refer to the SLX Wireless System User Guide for complete troubleshooting procedures.

Specifications

Working Range

Line of Sight

30m (100ft)

Frequency Stability

±10ppm

Modulation

FM, 45 kHz max. deviation

Power Requirements

2 LR6 AA batteries, 1.5V, alkaline

Power Consumption

@3 V

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Display backlight on 220mA, ±30mA

Display backlight off 175mA, ±30mA

Power Consumption (X4, X7)

@3 V

Display backlight on 245mA, ±30mA

Display backlight off 200mA, ±30mA

Battery Life

>8hours (alkaline)

Operating Temperature Range

-18°C (0°F) to +57°C (135°F)

Dimensions

43 mm x 87 mm x 148 mm (H x W x D)

Weight

MX690 MX890

Net 319g (11.2oz.) 312g (11oz.)

Packaged 516g (18.2oz.) 530g (18.7oz.)

Frequency Selection

Shure offers wireless systems in a selection of bands that conform to the different government regulations of specific nations or

geographicregions.Theseregulationshelplimitradiofrequency(RF)interferenceamongdifferentwirelessdevicesandpre-

vent interference with local public communications channels, such as television and emergency broadcasts.

The system's band and frequency range are identified on the receiver and transmitter. For example, "H4 518-578 MHz."

For information on bands available in your area, consult your local dealer or phone Shure. More information is also available at

www.shure.com.

Frequency Range

Band Frequency Range ( MHz )

G4 470 to 494

G5 494 to 518

H5 518 to 542

H19 542 to 572

H62 518 to 530

J3 572 to 596

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