Yamaha RX-V571 Owner's Manual page 72

Memory Guard
Prohibits setting changes to prevent careless changes being made to the settings of the
"Setup" menu, YPAO, and SCENE.
Settings
Off (Default) Settings are not protected.
Prohibits changes to the settings in the "Setup" menu until it is returned
On to "Off." During memory guard, the protection icon (_) is displayed at
upper right on the TV monitor.
Setting HDMI functions (HDMI)
Set the settings on HDMI functions.
• If you try to set the protected items, "Memory Guard! (Memory Guard!)" is displayed on the front display and
TV monitor.
HDMI Control
Enable or disable the HDMI control (p,92),
Settings
Off (Default) Disables the HDMI control function.
On Enables the HDMI control function.
When "HDMI Control" is set to "On," "TV Audio Input," "ARC," "Standby Sync" and
"SCENE" can be set.
• When "HDMI Control" is set to "On," "Audio Output" (p.73) or "Standby Through" (p.74) is automatically fixed
to "Control Sync" and cannot be set manually.
En
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