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Shure MX690 - page 1
Wireless Boundary Microphone The Shure MX690 microphone offers cable-free installation for corporate boardrooms or other applications requiring exible congurations. The MX690 operates within the 518–865 MHz bands and is compatible with Shure SLX wireless systems. ©2008 Shure Incorporated 27EN3240 (Rev . 3) Model MX690 Printed in U.S.A. ...
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Shure MX690 - page 2
2 Features Sleek, low prole 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 • Commshield™ tec ...
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Shure MX690 - page 3
3 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: T o minimize RF interference, maintain a distance of at least 0.3 m (1 ft.) between ...
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Shure MX690 - page 4
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 ...
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Shure MX690 - page 5
5 Battery Installation Open the battery compartment 1. as shown. Insert two1.5V “AA” batteries. 2. 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. Power Meter The battery meter on the LCD shows remaining battery ...
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Shure MX690 - page 6
6 Press and hold the 1. ON/OFF PROGRAM button for approximately 2 seconds. The LCD illuminates. T o turn the transmitter off, press and hold the 2. ON/OFF PROGRAM button again. Note: Use the button on the bottom of the transmitter to power it on without opening the battery compartment. Power On/Off ...
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Shure MX690 - page 7
7 Mute Button The mute button can be congured for toggle or momentary operation. T oggle (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 ...
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Shure MX690 - page 8
8 Mute Indicator 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 ash when muted. T o toggle between off and ashing, press PUSH and ON/OFF PROGRAM simultaneously . Display Mode Status Indicator Steady (as supplied) Active = Green Muted = Red Flashing Active = Green M ...
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Shure MX690 - page 9
9 Locking Settings Press ON/OFF PROGRAM 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 lter . T o use with a logic enabled receiver , you must perform an au ...
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Shure MX690 - page 10
10 Power off all transmitters. 1. Power on all receivers. 2. Begin with the rst transmitter . Open the battery cover and 3. power it on. Aim the IR sensor at the rst receiver IR port. The transmitter 4. 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 transm ...
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Shure MX690 - page 11
11 Troubleshooting If you encounter difculty 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 ? ...
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Shure MX690 - page 12
12 Frequency Selection Shure offers wireless systems in a selection of bands that conform to the different government regulations of specic 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 tele ...
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Shure MX690 - page 13
13 Frequency Bands Band Range Output H5 518–542 MHz 10 mW J3 572–596 MHz 28 mW L4 638–662 MHz 10 mW P4 702–726 MHz 10 mW R13 794–806 MHz 10 mW R5 800–820 MHz 10 mW S6 838–865 MHz 10 mW JB 806–810 MHz 10 mW Q4 740–752 MHz 10 mW G4 470–494 MHz 10 mW G5 494–518 MHz 10 mW Note: This radio apparatus may be capable of operating on s ...
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Shure MX690 - page 14
14 The Master List is an index of all frequencies in a band, including those not assigned to a Group or Channel. The Master List can only be accessed through the receiver , so the transmitter must be synchronized via the IR port. When a Master List frequency is in use, “MASTER LIST” appears on the display . Refer to the SLX Wireless System User ...
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Shure MX690 - page 15
15 Transmitter Specications Operating Range 30 m (100 ft.) Note: Actual range depends on RF signal absorption, reection, and interference Frequency Stability ±10 ppm Maximum Frequency Deviation 45 kHz Oscillator T ype Phase-locked loop (PLL) controlled synthesizer Power Requirements 3V (2 AA alkaline or rechargeable batteries) Battery Life ? ...
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Shure MX690 - page 16
16 Microphone Specications T ype Condenser (electret bias) Frequency Response 50–17000 Hz Polar Pattern ( at 1 kHz) Cardioid Sensitivity ( at 1 kHz , open circuit voltage) –33 dBV/Pa (22 mV) 1 Pascal=94 dB SPL Dynamic Range ( 1 kΩ load at 1 kHz) 96 dB Common Mode Rejection ( 10 Hz to 100 kHz) 45 dB minimum Preamplier Output Clipping Leve ...
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Shure MX690 - page 17
17 ...
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Shure MX690 - page 18
18 Certied to FCC Part 74 (FCC ID: DD4MX690). Certied by IC in Canada under RSS-123 and RSS-102 (IC: 616A-MX690). Meets essential requirements of the European R&TTE Directive 99/5/EC (ETSI EN 300-422 Parts 1 & 2, EN 301 489 Parts 1 & 9) and eligible to carry the CE marking. Changes or modications not expressly approved by Shure ...
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Shure MX690 - page 19
19 EU Declaration of Conformity EU DECLARATION OF CONFORMITY We, Shure Incorporated of 5800 Touhy Avenue Niles, Illinois, 60714-4608 U.S.A. Phone: (847) 600-2000 Web: www.Shure.com Declare under our sole responsibility that the following product Model: MX690 Description: Wireless Microphone Transmitter conforms to the essential requirements and oth ...
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Shure MX690 - page 20
SHURE Incorporated http://www .shure.com United States, Canada, Latin America, Caribbean: 5800 W . T ouhy Avenue, Niles, IL 60714-4608, U.S.A. Phone: 847-600-2000 U.S. Fax: 847-600-1212 Int’l Fax: 847-600-6446 Europe, Middle East, Africa: Shure Europe GmbH, Phone: 49-7131-72140 Fax: 49-7131-721414 Asia, Pacific: Shure Asia Limited, Phone: 852-289 ...
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