Shure BLX4R Quick Start Manual
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Shure BLX4R Quick Start Manual

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Download this manual See also: Owner's Manual, Quick Start Manual
BLX4R -- Wireless System
IMPORTANT SAFETY INSTRUCTIONS
1. READ these instructions.
2. KEEP these instructions.
3. HEED all warnings.
4. FOLLOW all instructions.
5. DO NOT use this apparatus near water.
6. CLEAN ONLY with dry cloth.
7. DO NOT block any ventilation openings. Allow sufficient distances for adequate ventilation and install in accor­
dance with the manufacturer's instructions.
8. DO NOT install near any heat sources such as open flames, radiators, heat registers, stoves, or other appara­
tus (including amplifiers) that produce heat. Do not place any open flame sources on the product.
9. DO NOT defeat the safety purpose of the polarized or grounding type 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 dam­
aged 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 vas­
es, 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 protective 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.
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Summary of Contents for Shure BLX4R

  • Page 1 BLX4R -- Wireless System IMPORTANT SAFETY INSTRUCTIONS 1. READ these instructions. 2. KEEP these instructions. 3. HEED all warnings. 4. FOLLOW all instructions. 5. DO NOT use this apparatus near water. 6. CLEAN ONLY with dry cloth. 7. DO NOT block any ventilation openings. Allow sufficient distances for adequate ventilation and install in accor­...
  • Page 2 Shure Incorporated 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 litera­...
  • Page 3 Shure Incorporated 2. On the transmitter, set the group and channel to match the receiver. The RF bars and battery LED on the receiver should illuminate. If setting up additional systems, leave the first transmitter and receiver on. For each additional receiver, manually set the group to match the first receiver.
  • Page 4 Shure Incorporated BLX4R Receiver ① Transmitter Battery LED • Green = Runtime greater than 1 hour • Red = Runtime less than 1 hour ② LCD Display Displays receiver and transmitter settings. ③ group Button • Scan: push and release group button to scan for an open group and channel •...
  • Page 5 Shure Incorporated ⑥ Antenna Jack B BNC connector for antenna B. ⑦ DC Power Jack For DC external power supply (12 to 15 V DC). ⑧ Strain-relief loop for power cord Secures power cord to receiver. ⑨ Mic Out XLR audio output jack Supplies microphone-level audio output.
  • Page 6 Shure Incorporated Number of bars corresponds to RF signal strength. OL indicates signal overload. ⑥ Audio Meter Number of bars indicates audio signal level. OL indicates signal clipping. ⑦ Active Antenna Indicator Indicates active antenna for the diversity signal. Transmitters BLX1 ①...
  • Page 7 Shure Incorporated BLX2 ① LED Indicator Displays power and battery status (see table). ② power Button Push to turn power on or off. ③ group Button Changes group setting. ④ channel Button Changes channel and gain setting. ⑤ LED Display Displays group and channel setting.

  • Page 8: Transmitter Led Indicators

    Shure Incorporated Transmitter LED Indicators LED Indicator Status Green Ready Rapidly Flashing Red Controls locked Solid Red Battery power low (less than 1 hour remaining*) Flashing Red and shuts off Batteries dead (change batteries to power on transmitter) *For alkaline batteries only. For rechargeable batteries, solid red means the batteries are dead.

  • Page 9: Setting Transmitter Group And Channel

    Shure Incorporated Note: If you want to stop the scan, push the group button again. 2. Turn on transmitter and change the group and channel to match the receiver (See Setting Transmitter Group and Channel). Once the system is set up, perform an audio check and adjust the gain if necessary.

  • Page 10: Manually Setting Receiver Group And Channel

    Shure Incorporated Before you begin system set up, turn all receivers ON and all transmitters OFF. For the first receiver: 1. Perform a group scan to find the group with the most clear channels. 2. Turn on the first transmitter and change the group and channel to match the receiver.

  • Page 11: Getting Good Sound

    Shure Incorporated • Keep the transmitter and receiver more than 5 meters (16 feet) apart • During sound check, mark trouble spots and ask presenters or performers to avoid those areas Getting Good Sound Correct Microphone Placement • Hold the microphone within 12 inches from the sound source. For a warmer sound with increased bass pres­...

  • Page 12: Adjusting Gain

    Shure Incorporated Adjusting Gain Monitor the audio meter on the receiver display when setting the transmitter gain. The OL indicator should only illu­ minate infrequently when you speak loudly or play your instrument loudly. BLX1 Rotate the audio gain adjustment to increase (+) or decrease (−) the gain until desired level is reached.

  • Page 13: Locking And Unlocking Controls

    Shure Incorporated Batteries Expected life for AA batteries is up to 14 hours (total battery life varies depending upon battery type and manufac­ turer). When the LED indicator turns red, it signifies "low battery" with approximately 60 minutes of remaining battery life.

  • Page 14: Power Off

    Repeat to unlock the controls. Power Off Press and hold the power button to power off the BLX2 or BLX4R. To power off the BLX1, slide the power switch to OFF.
  • Page 15 Shure Incorporated Rack-Mounting a Receiver Use the supplied mounting hardware to install the receiver in a standard 19" audio equipment rack. Antenna Connection Diagram 15/24...

  • Page 16: Troubleshooting

    Shure Incorporated Troubleshooting Issue Indicator Status Solution No sound or faint sound Receiver RF bars and • Verify all sound system connections or adjust gain as battery LED illuminated needed (see Adjusting Gain) • Verify that the receiver is connected to mixer/amplifier Receiver RF bars and •...

  • Page 17: Furnished Accessories

    Furnished Accessories Optional Accessories Antenna Combiners and Accessories The following optional accessories are available from Shure. Please visit http://www.shure.com () for more infor­ mation. • Antennas and receivers must be from the same band. • The supplied 1/4 wave antennas can be used when mounted directly to the UA844. If antennas are remote mounted, 1/2 wave antennas must be used.

  • Page 18: Specifications

    Shure Incorporated Passive Antenna/Splitter Combiner Kit (recommended for 2 receivers) UA221 25 ft. BNC-BNC Coaxial Cable UA825 50 ft. BNC-BNC Coaxial Cable UA850 100 ft. BNC-BNC Coaxial Cable UA8100 1/2 Wave Antenna Remote Mount Kit UA505 UHF Antenna Power Distribution Amplifier (recommended for 3 or more re­...
  • Page 19 Shure Incorporated Note: Dependent on microphone type Total Harmonic Distortion Ref. ±33 kHz deviation with 1 kHz tone 0.5%, typical Dynamic Range 100 dB, A-weighted, typical Operating Temperature -18°C (0°F) to 57°C (135°F) Note: Battery characteristics may limit this range.
  • Page 20 Shure Incorporated Housing Molded ABS Power Requirements 2 LR6 AA batteries, 1.5 V, alkaline Battery Life up to 14 hours (alkaline) BLX2 Audio Input Level -20 dBV maximum -10dB -10 dBV maximum Gain Adjustment Range 10 dB RF Transmitter Output...
  • Page 21 Shure Incorporated Battery Life up to 14 hours (alkaline) BLX4R BLX4R Output Impedance XLR connector 200 Ω 6.35 mm (1/4") connector 50 Ω Audio Output Level Ref. ±33 kHz deviation with 1 kHz tone XLR connector –20.5 dBV (into 100 kΩ load) 6.35 mm (1/4") connector...
  • Page 22 This product meets the Essential Requirements of all relevant European directives and is eligible for CE marking. Hereby, Shure Incorporated declares that the radio equipment is in compliance with Directive 2014/53/EU. The full text of the EU declaration of conformity is available at the following internet address: http://www.shure.com/europe/ compliance (http://www.shure.com/europe/compliance)
  • Page 23 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 re­ sponsibility, and licensability depends on the user’s classification and application, and on the selected frequency.

  • Page 24: Australia Warning For Wireless

    Shure Incorporated Changes or modifications not expressly approved by the manufacturer could void the user’s authority to operate the equipment. Australia Warning for Wireless This device operates under an ACMA class licence and must comply with all the conditions of that licence includ­...

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