9/20/17, 8*58 AM
Shure Publications | User Guides | ULX-D Dual and Quad Z16-20
Page 77 of 96
http://pubs.shure.com/guide/ULXD-DQ/en-US
receiver corresponds to the input of the mixing console,
amplifier, or DSP.
Cables
Check that all cables and connectors are working
correctly.
Interface Locks
The transmitter and the receiver can be locked to prevent
accidental or unauthorized changes. A locked feature or
button will produce the Locked screen on the LCD panel.
Encryption Mismatch
Re-sync all receivers and transmitters after enabling or
disabling encryption.
Firmware Mismatch
Paired transmitters and receivers must have the same
firmware version installed to ensure consistent operation.
See Firmware topic for firmware update procedure.
Radio Frequency (RF)
RF LEDs
If neither blue RF Diversity LED is illuminated, then the
receiver is not detecting the presence of a transmitter.
The amber RF Signal Strength LEDs indicate the amount
of RF power being received. This signal could be from the
