Shure MX690 User manual

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
3/13
•
•
•
•
•
•
•
•
•
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
®

Shure Incorporated
4/13
1.
2.
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.

Shure Incorporated
5/13
1.
2.
1.
2.
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.

Shure Incorporated
6/13
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.)

Shure Incorporated
7/13
1.
2.
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

Shure Incorporated
8/13
1.
2.
3.
4.
5.
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.
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.

Shure Incorporated
9/13
1.
2.
•
•
•
•
•
•
•
•
•
•
•
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

Shure Incorporated
10/13
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