Shure Incorporated
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Manually Setting Receiver Group and Channel
The receiver group may need to be changed as part of a multiple system setup.
Group (letter)
Hold the group button on the receiver until the display begins to flash.
While the display is flashing, press the group button again to advance to the next group.
Note: Only the group setting will be displayed during the manual setup.
Once the desired group is reached, release the group button. The receiver automatically performs a channel
scan.
Channel (number)
Always use a channel selected by the channel scan. However, if necessary, the channel can be set manually.
Follow the same steps above using the channel button instead of the group button.
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.
When locked, the display flashes rapidly if any key is pressed.
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:
Choose a different receiver channel
Reposition the receiver so there is nothing obstructing a line of sight to the transmitter (including the
audience)
Avoid placing transmitter and receiver where metal or other dense materials may be present
Move the receiver to the top of the equipment rack
Remove nearby sources of wireless interference, such as cell phones, two-way radios, computers, media
players, Wi-Fi devices, and digital signal processors
Charge or replace the transmitter battery
Keep transmitters more than two meters (6 feet) apart
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
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General
Weight and Dimensions
