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Locking and Unlocking Controls
Lock system controls to prevent accidental setting changes or power off.
Transmitter (lock/unlock)
Turn the transmitter on. Hold the group button, then press the channel button for approximately 2 seconds. The LED indicator
rapidly flashes red when locked.
Receiver (lock/unlock)
Turn the receiver on. Simultaneously hold the group and channel button. The display flashes rapidly.
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When locked, the display flashes rapidly if any key is pressed.
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The BLX88 locks on both sides when locked from either side.
Tips to Improve Wireless System Performance
If you encounter interference or dropouts, try the following suggestions:
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Choose a different receiver channel
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Reposition the receiver so there is nothing obstructing a line of sight to the transmitter (including the audience)
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Avoid placing transmitter and receiver where metal or other dense materials may be present
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Move the receiver to the top of the equipment rack
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Remove nearby sources of wireless interference, such as cell phones, two-way radios, computers, media players, Wi-Fi
devices, and digital signal processors
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Charge or replace the transmitter battery
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Keep transmitters more than two meters (6 feet) apart
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Keep the transmitter and receiver more than 5 meters (16 feet) apart
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During sound check, mark trouble spots and ask presenters or performers to avoid those areas
Shure Incorporated
11/23
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