Marantz SR5009 Owner's Manual page 169

Contents Connections
Source Rename
Change the display name for input source.
This is convenient when the name of your device and the input source
name of this unit are different. You can change the name to suit your
needs. When the renaming is completed, the name is displayed on this
unit's display and on the menu screen.
CBL/SAT / DVD / Blu-ray /
Game / AUX1 / AUX2 /
Media Player / CD / TV Audio:
Set Defaults:
Up to 12 characters can be input. For character input, see "Using the keyboard
screen" (v p. 142).
Hide Sources
Remove from the display input sources that are not used.
Show
Use this source.
(Default):
Hide: Do not use this source.
Front panel Display
Playback
Change the display name for input
source.
The Source Rename settings are
returned to the default settings.
Rear panel
Settings
Source Level
This function corrects the playback level of the selected input source's
audio input.
Make this setting if there are differences in the input volume levels
between the different sources.
-12 dB – +12 dB (Default : 0 dB)
"Source Level" settings are stored for each input source.
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