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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.
men
u
ente
r
gain
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
Audio Signal Encryption
The QLX-D receiver features Advanced Encryption Standard (AES-256) to protect the audio signal. 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 by other receivers. To maintain security, components remain encrypted when turned off and on.
Creating an Encrypted Audio Channel
1. Press the menu button to navigate to the encryption menu, indicated by the key icon.
2. Use the arrow buttons to select an encryption option:
- on = encryption enabled
-
OFF = encryption disabled
3. Press enter to save. The key icon will be shown on the receiver display.
4. Press the sync button and align the IR sync windows of the transmitter and receiver. The encryption key
icon will appear on the transmitter screen when the IR sync is complete and the encryption key has been
transferred from the receiver.
Additional transmitters can share the same encryption key with a single receiver. Perform an IR sync to encrypt
each additional transmitter.
Note: When OFF is selected to disable encryption, perform an IR sync to clear the encryption key from the
transmitter and prevent an encryption mismatch error or FAIL message.
Removing Encryption
1. Press the menu button to navigate to the encryption menu.
2. Select OFF.
3. Press enter to save.
4. IR sync the transmitter and receiver to clear the encryption key from the transmitter and prevent an encryption key mismatch between components, indicated by a
FAIL message.
Note: If encryption has been set from off to on, the receiver will generate a new encryption key and must be IR synced to the transmitter to share the new key.
< 15 cm (6 in.)