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ULXD
ULX-D Digital Wireless Microphone System
1. AUDIO >MUTE
2. Use the control wheel to select ON or OFF.
3. Press ENTER to save.
To unmute the receiver output:
Simultaneously press the ▲▼ buttons or select OFF from the MUTE menu option.
Tip: Audio mute can be enabled remotely from Wireless Workbench or from an external controller.
Important! A power cycle will reset the receiver and unmute the audio output.
Transmitter Input Clip
The following warning displays on the receiver LCD panel when the transmitter input is clipped:
To correct, attenuate the signal source. If the source cannot be attenuated while using a bodypack transmitter, select INPUT PAD from the main menu to atten-
uate the input signal 12 dB.
Audio Signal Encryption
When encryption is enabled, the receiver generates a unique encryption key which is shared with a the transmitter during an IR sync. Transmitters and receivers
that share an encryption key form a protected audio path, preventing unauthorized access from other receivers.
Encrypting a Single Transmitter to a Single Receiver
1. From the receiver menu: DEVICE UTILITIES>ENCRYPTION> ON (Auto)
2. Press ENTER.
3. Perform an IR Sync to share the encryption key with the selected transmitter.
Encrypting Multiple Transmitters to a Single Receiver
Multiple transmitters can share the same encryption key, allowing them access to a single receiver. Use this method if you have multiple instruments or wish to
use a combination of handheld and bodypack transmitters.
1. From the receiver menu: DEVICE UTILITIES>ENCRYPTION>ON (Manual)>KEEP KEYS.
2. Press ENTER.
3. Perform an IR Sync to share the encryption key with the first transmitter.
4. Turn off the transmitter and perform an IR Sync to share the key additional transmitters.
Caution! Make sure only one transmitter is turned on during an IR sync or a performance to avoid causing cross interference between transmitters.
Regenerating Encryption Keys
Periodically regenerating the encryption key maintains security for transmitters and receivers that are paired for extended periods.
1. From the receiver menu: DEVICE UTILITIES>ENCRYPTION>ON (Manual)>REGENERATE KEYS.
2. Press ENTER.
3. Perform an IR Sync to share the encryption key with the first transmitter.
4. Turn off the transmitter and perform an IR Sync to share the key additional transmitters.
Caution! Make sure only one transmitter is turned on during an IR sync or a performance to avoid causing cross interference between transmitters.
Removing Encryption
1. From the receiver menu: DEVICE UTILITIES ENCRYPTION OFF
2. Press ENTER.
3. IR Sync the transmitter and receiver to clear the encryption key.
Note: If multiple transmitters are encrypted to a single receiver, each transmitter must be IR synced to clear the encryption key.
Scan and Sync
Use this procedure to tune a receiver and transmitter to the best open
channel.
Important! Before you begin:
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Turn off all transmitters for the systems you are setting up. (This prevents
them from interfering with the frequency scan.)
Turn on the following potential sources of interference so they are operating
as they would be during the presentation or performance (the scan will detect
and avoid any interference they generate).
Shure Incorporated
2017/10/04
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