Shure MX690 User Manual
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Shure MX690 User Manual

Shure MX690 User Manual

Wireless boundary microphone
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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 518–865 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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  • Page 1 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 518–865 MHz bands and is compatible with Shure SLX wireless systems. ©2008 Shure Incorporated 27EN3240 (Rev. 3) Model MX690 Printed in U.S.A.
  • Page 2 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™ technology for protection from RF interference...

  • Page 3: Microphone Placement

    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.

  • Page 4: Low-Cut Filter

    Low-Cut Filter The low-cut filter attenuates frequencies below 150 Hz by 6 dB per octave. Filter disabled (as supplied) Low-cut filter...
  • Page 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, carbon- zinc and zinc-chloride batteries provide less operating time. Power Meter The battery meter on the LCD shows remaining battery life.

  • Page 6: Power On/Off

    Power On/Off Press and hold the approximately 2 seconds. The LCD illuminates. To turn the transmitter off, press and hold the PROGRAM button again. Note: Use the button on the bottom of the transmitter to power it on without opening the battery compartment. ON/OFF PROGRAM button for ON/OFF...

  • Page 7: Mute Button

    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.

  • Page 8: Mute Indicator

    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 flash when muted. Display Mode Steady (as supplied) Flashing To toggle between off and flashing, press PUSH and ON/OFF PROGRAM simultaneously.

  • Page 9: Locking Settings

    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 filter. LOGIC MODE To use with a logic enabled receiver, you must perform...
  • Page 10 Automatic Frequency Synchronization Power off all transmitters. Power on all receivers. 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.

  • Page 11: Tips For Optimum Performance

    Avoid placing laptop computers or other obstructions in front of the microphone during use. • Only use with a Shure SLX4 wireless receiver. If you encounter difficulty with the SLX Wireless System: • Make sure both the transmitter and the receiver are turned on.

  • Page 12: Frequency Selection

    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 Shure’s website (www.shure.com). Licensing Licensing of Shure wireless microphone equipment is the user’s responsibility, and licensability depends on the user’s...

  • Page 13: Frequency Bands

    Band Note: This radio apparatus may be capable of operating on some frequencies not authorized in your region. Please contact your national authority to obtain information on authorized frequencies for wireless microphone products in your region. Frequency Bands Range Output 518–542 MHz...
  • Page 14 Master List Frequencies 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”...

  • Page 15: Transmitter Specifications

    Operating Range 30 m (100 ft.) Note: Actual range depends on RF signal absorption, reflection, and interference Frequency Stability ±10 ppm Maximum Frequency Deviation 45 kHz Oscillator Type Phase-locked loop (PLL) controlled synthesizer Power Requirements 3V (2 AA alkaline or rechargeable batteries) Battery Life ≥8 hours (alkaline) Power Consumption...

  • Page 16: Microphone Specifications

    Microphone Specifications Type 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)
  • Page 18 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 modifications not expressly approved by Shure Incorporated could void your authority to operate this equipment.

  • Page 19: Eu Declaration Of Conformity

    EN 301 489-9 V1.2.1 (2002-08) EN 300 422-1 V1.2.2 (2000-08) EN 300 422-2 V1.1.1 (2000-08) The technical documentation is kept at: Shure Incorporated, Corporate Quality Engineering Division SHURE Europe GmbH, EMEA Approval Manufacturer: Shure Incorporated Signed: __________________________________ Date: 20 December 2006...
  • Page 20 United States, Canada, Latin America, Caribbean: 5800 W. Touhy 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: 852-2893-4290 Fax: 852-2893-4055...

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