Shure orporated MX890J3 User Manual

Wireless Desktop Base
The Shure MX890 desktop base for MX405 and MX410 gooseneck microphones offers cable-free installation for
corporate boardrooms or other applications requiring exible microphone congurations. The MX890 operates within the 518–865 MHz bands and is compatible with Shure SLX wireless systems.
27EN3253 (Rev. 1)
Model MX890
Printed in U.S.A.
DRAFT
2
Features
Sleek, low prole 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
Supports Shure MX405 and MX410 Mini Gooseneck Microphones
Commshield™ technology for protection from RF interference
DRAFT
3
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.
Receiver
Make sure the receiver is within sight of the transmitter. Do not place receiver behind a metal barrier or any reective surface.
Refer to the SLX Wireless System User Guide for more information, or visit www.shure.com.
130º
30m (100ft)
DRAFT
4
The low-cut lter attenuates frequencies below 150 Hz by 6 dB per octave.
Low-Cut Filter
Filter disabled (as supplied)
Low-cut lter
Connecting Gooseneck
Align the pin on the microphone ange 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.
1.
2.
DRAFT
5
Battery
Installation
Open the battery compartment
as shown.
Insert two1.5V “AA” batteries.
Make sure the +/– terminals
are properly oriented.
Note: Alkaline batteries last up to
8 hours. Rechargeable, carbon­zinc and zinc-chloride batteries provide less operating time.
1.
2.
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.
DRAFT
6
Press and hold the ON/OFF PROGRAM button for
approximately 2 seconds. The LCD illuminates.
To turn the transmitter off, press and hold the ON/OFF PROGRAM button again.
Note: Use the button on the bottom of the transmitter to power it
on without opening the battery compartment.
1.
2.
Power On/Off
DRAFT
Loading...
+ 14 hidden pages