Shure Personal Computer MX890 User Manual

MX690 MX890  
>25 cm  
MX890  
>150 cm  
MX690  
MX890 Wireless Desktop Base  
The Shure MX890 desktop base for  
Receiver  
MX405, MX410 and MX415 gooseneck  
microphones offers cable-free installation  
for corporate boardrooms or other ap-  
plications requiring flexible microphone  
configurations and MX415 miniature  
gooseneck microphones are suitable for  
boardrooms and other sites where aes-  
thetics are important. The MX890 oper-  
ates within the 518–937 MHz band and  
is compatible with Shure SLX wireless  
systems.  
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 infor-  
30 m (100 ft)  
MX690 Wireless Boundary Microphone  
The Shure MX690 microphone offers  
cable-free installation for corporate board-  
rooms or other applications requiring flex-  
ible configurations. The MX690 operates  
within the 518–937 MHz band and is com-  
patible with Shure SLX wireless systems.  
Power On/Off  
1. With the battery door open, press and hold the ON/OFF button  
for approximately 2 seconds. Release the button when the LCD  
screen illuminates.  
2. 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.  
Features  
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.  
• 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  
MX890 Connecting Gooseneck  
1. Align the pin on the microphone flange with the slot on the desktop  
base.  
2. Insert the gooseneck into the desktop base and lock it in place by  
rotating the gooseneck sleeve clockwise.  
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 car-  
tridge is 115° at –3 dB.  
Low-Cut Filter  
The low-cut filter attenuates frequencies below 150 Hz by 6 dB per  
octave.  
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  
Filter disabled (as supplied)  
Place the MX690 within 1.5 m (5 ft.) of a talker. Aim the microphone to-  
ward 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.  
Low-cut filter  
Note: To minimize RF interference, maintain a distance of at least  
0.3 m (1 ft.)  
©2013 Shure Incorporated  
27EN16692 (Rev. 3)  
Printed in U.S.A.  
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Locking Settings  
Press ON/OFF and SELECT simultaneously to lock or unlock transmitter set-  
Troubleshooting  
If you encounter difficulty with the SLX Wireless System  
tings. When locked, the current settings cannot be manually changed.  
• Make sure both the transmitter and the receiver are turned on.  
• Replace the battery if the battery LED is red.  
Note: Locking the transmitter settings does not disable IR frequency  
synchronization or the High Pass/Low Cut filter.  
• 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.  
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.  
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 prevent 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  
Automatic Frequency Synchronization  
1. Power off all transmitters.  
LICENSING INFORMATION  
2. Begin with the first transmitter. Open the battery cover and power it on.  
3. Begin with the first transmitter. Open the battery cover and power it on.  
Licensing: A ministerial license to operate this equipment may be re-  
quired in certain areas. Consult your national authority for possible  
requirements. Changes or modifications not expressly approved by  
Shure Incorporated could void your authority to operate the equipment.  
Licensing of Shure wireless microphone equipment is the user’s respon-  
sibility, and licensability depends on the user’s classification and applica-  
tion, and on the selected frequency. Shure strongly urges the user to  
contact the appropriate telecommunications authority concerning proper  
licensing, and before choosing and ordering frequencies.  
4. 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 transmitter will stop flashing when programming is  
complete.  
5. Power off the first transmitter and repeat the synchronization with each  
additional transmitter and receiver pair.  
Certifications  
Certified under FCC Part 74.  
Manual Frequency Synchronization  
1. Press and hold the transmitter SELECT button until the desired group  
Certified by IC in Canada under RSS-123 and RSS-102.  
FCC: DD4MX890. IC: 616A-MX890.  
number appears.  
2. Press SELECT again and release it when the desired channel number  
appears.  
This product meets the Essential Requirements of all relevant European  
directives and is eligible for CE marking.  
europe/compliance  
Tips for Optimum Performance  
• Maintain a direct line of sight between the transmitter and receiver  
antennas.  
Authorized European representative:  
Shure Europe GmbH  
• Avoid placing the transmitter on metal surfaces.  
Headquarters Europe, Middle East & Africa  
Department: EMEA Approval  
Jakob-Dieffenbacher-Str. 12  
75031 Eppingen, Germany  
Phone: 49-7262-92 49 0  
• Avoid placing laptop computers or other obstructions in front of the  
microphone during use.  
• Only use with a Shure SLX4L wireless receiver.  
Fax: 49-7262-92 49 11 4  
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Specifications  
Frequency Range and Transmitter  
Output Level  
Working Range  
Line of Sight  
Band  
G4  
G5  
H5  
J3  
Range  
Output Power  
30 mW  
30 mW  
30 mW  
30 mW  
30 mW  
30 mW  
10 mW  
20 mW  
20 mW  
10 mW  
10 mW  
10 mW  
10 mW  
30 m (100 ft)  
Note: Actual range depends on RF signal absorption, reflection and interference.  
470 to 494 MHz  
494 to 518 MHz  
518 to 542 MHz  
572 to 596 MHz  
638 to 662 MHz  
702 to 726 MHz  
740 to 752 MHz  
794 to 806 MHz  
800 to 820 MHz  
806 to 810 MHz  
838 to 865 MHz  
925 to 932 MHz  
925 to 937.5 MHz  
Frequency Stability  
±10 ppm  
Modulation  
FM, 45 kHz max. deviation  
L4  
Power Requirements  
2 LR6 AA batteries, 1.5 V, alkaline  
P4  
Power Consumption  
@3 V  
Q4  
R13  
R5  
JB  
Display backlight on 220 mA, ±30 mA  
Display backlight off 175 mA, ±30 mA  
Power Consumption (X4, X7)  
@3 V  
S6  
X4  
Display backlight on 245 mA, ±30 mA  
X7  
Display backlight off 200 mA, ±30 mA  
Battery Life  
>8 hours (alkaline)  
IMPORTANT SAFETY INSTRUCTIONS  
1. READ these instructions.  
Operating Temperature Range  
2. KEEP these instructions.  
-18°C (0°F) to +57°C (135°F)  
3. HEED all warnings.  
Note: Battery characteristics may limit this range.  
4. FOLLOW all instructions.  
Dimensions  
43 mm x 87 mm x 148 mm (H x W x D)  
5. DO NOT use this apparatus near water.  
6. CLEAN ONLY with dry cloth.  
Weight  
7. DO NOT block any ventilation openings. Allow sufficient distances for adequate ventilation and  
install in accordance with the manufacturer’s instructions.  
MX690  
MX890  
8. DO NOT install near any heat sources such as open flames, radiators, heat registers, stoves, or  
other apparatus (including amplifiers) that produce heat. Do not place any open flame sources  
on the product.  
Net  
319 g (11.2 oz.)  
516 g (18.2 oz.)  
312 g (11 oz.)  
530 g (18.7 oz.)  
Packaged  
9. DO NOT defeat the safety purpose of the polarized or groundingtype 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 wider 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.  
10.PROTECT the power cord from being walked on or pinched, particularly at plugs, convenience  
receptacles, and the point where they exit from the apparatus.  
11.ONLY USE attachments/accessories specified by the manufacturer.  
12.USE only with a cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with  
the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to  
avoid injury from tip-over.  
13.UNPLUG this apparatus during lightning storms or when unused for long periods of time.  
14.REFER all servicing to qualified service personnel. 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.  
15.DO NOT expose the apparatus to dripping and splashing. DO NOT put objects filled with liquids,  
such as vases, on the apparatus.  
16.The MAINS plug or an appliance coupler shall remain readily operable.  
17.The airborne noise of the Apparatus does not exceed 70dB (A).  
18.Apparatus with CLASS I construction shall be connected to a MAINS socket outlet with a pro-  
tective earthing connection.  
19.To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture.  
20.Do not attempt to modify this product. Doing so could result in personal injury and/or product  
failure.  
21.Operate this product within its specified operating temperature range.  
This symbol indicates that dangerous voltage constituting a risk of electric shock is present  
within this unit.  
This symbol indicates that there are important operating and maintenance instructions in the  
literature accompanying this unit.  
WARNING: Voltages in this equipment are hazardous to life. No user-serviceable parts in-  
side. Refer all servicing to qualified service personnel. The safety certifications do not apply  
when the operating voltage is changed from the factory setting.  
WARNING: This product contains a chemical known to the State of California to cause can-  
cer and birth defects or other reproductive harm.  
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