Marantz RC5200 User Manual page 36

Reference
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5 Tap Enter to save the changes and return to the panel you were
at.
-or-
Tap Cancel to return to the panel you were at without saving
changes.
6 Label all other items you want and return to Use mode via the
Mode button.
Labeling a Home Button, a Device or a Macro Group
Remember, the buttons on home are linked (automatically
aliased)to the labels you create for the Device menu, so any
change you make to the Device menu names will be automatically
carried out on your home panel buttons.
1 Switch to Label mode via the Mode button
2 Tap the device tab to open the Device menu.
-or-
Tap the macro tab to open the Macro menu.
3 Touch and hold either the RC9200/5200's Left or Right button
and tap the device you want to program.
Even when you want to program the currently active
device/macro group, you have to tap it in the Device/Macro
menu.
4 Complete steps 3 to 6 in "Labeling a button" on page 33.
User Guide
34
For capital letters and symbols, press the Left hard button
repeatedly to display the keyboard you want.
.