Shure QLX-D Guide de l'utilisateur télécharger pdf (Page 17)

Receiver Gain Adjustment

The gain control sets the overall signal level for the system. The default gain level is 12 dB and the available gain

range is -18 to 42 dB, in 1 dB increments.

Set the gain to a level where the audio LED appears green or yellow, with only the highest audio peaks causing

the LED to occasionally turn red and engage the limiter. Reduce the gain if there is audible distortion of the audio.

From the receiver home screen, use the arrow buttons to increase or decrease the gain:

• A single button press adjusts the gain in 1 dB increments

• Press and hold the button for larger adjustments

Test the transmitter at performance levels when adjusting the gain. Monitor the

audio meter and the audio LED

to prevent overloads.

channel rf audio gain

MHz

hr mn

Control Lock Options for the Receiver and Transmitter

Control lock options are available for both the receiver and the transmitter to protect against accidental or unauthorized changes. Locks can be directly set from the

component menu, or remotely set from WWB6. To maintain protection, controls remain locked when the transmitter is turned off and turned on.

Locking and Unlocking the Receiver Controls

The receiver has the following control lock options which can be used

separately or in any combination:

• gain: locks the arrow buttons to prevent changes to the audio gain settings

• menu: prevents access to menu items and IR sync (gain controls and power

switch remain active)

• power: disables power switch (gain and menu controls remain active)

To lock a receiver control:

1. Press the menu button to navigate to

the lock settings.

2. Use the arrow buttons to add or

remove the lock options shown next to

the lock icon.

3. Press enter to save the lock settings.

To unlock a receiver:

Tip: To unlock the menu and clear

all locks, press and hold the menu

button while in the home screen

until the unlock icon appears. Press

enter to confirm and save change.

1. To unlock gain or power

settings, navigate to the lock

settings by pressing the menu

button.

2. Press the arrow buttons to de-

select a lock option.

3. Press enter to confirm and save

change.

Locking and Unlocking Transmitter Controls

The transmitter controls can be locked or unlocked by selecting On (locked) or

OFF (unlocked) from the transmitter lock menu.

If an attempt is made to access a locked control, the lock icon will flash,

indicating that the transmitter controls are locked.

To set a transmitter lock:

1. Press the menu button to navigate

to the lock settings.

2. Use the arrow buttons to select on.

3. Press enter to save. The lock icon

appears on the display to confirm

that the control locks are enabled.

To unlock the transmitter:

1. Press and hold the menu button until

OFF and the unlock icon appear on

the display.

2. Press enter to save changes.

OFF

Error Codes and Solutions

Error codes are generated when the receiver detects a condition that can potentially affect system performance.

If an error is displayed on the receiver, use the following table to identify the problem and find the corresponding solution.

Error Code Description Solutions

Err.001

Audio Compatibility Update transmitter and receiver firmware to the latest version.

Err.002

Encryption Mismatch between

Shure product lines

Set encryption to off for components from different Shure products lines, such as QLX-D and ULX-D.

Err.003

Encryption Mode Mismatch Perform an IR sync between the transmitter and receiver to clear the error.

Err.004

Band Mismatch Receiver and transmitter are operating in overlapping frequencies from different bands.

Err.005

Frequency Mismatch Receiver and transmitter are from bands that do not share compatible frequencies.

Err.006

No Frequencies Found Rescan, select a different group, or use WWB to find a frequency.

Err.007

Firmware Mismatch Update firmware on the transmitter and receiver.

Err.008

Shure SB900 battery runtime does

not appear on display

Check that battery is firmly installed into the battery compartment. If condition persists, replace the

battery.

men

ente

gain

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Shure QLX-D Guide de l'utilisateur Page 17

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Produits connexes et manuels pour Équipement musical supplémentaire Shure QLX-D