Yamaha HTR-5170 - Manual (Page 56)

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12. TV/DBS INPUT (Selecting the initial input mode of the source connected to the
TV/DBS input terminals)
For the source connected to the TV/DBS input terminals of this
unit, you can designate the input mode that is automatically
selected when the power of this unit is switched on. AUTO: In this position, the AUTO input mode is always
selected when the power of this unit is switched on.
LAST: In this position, the input mode you have selected the
last time is memorized and will not be changed even if
the power of this unit is switched off.
* Refer to page 36 for details about switching the input mode.
13. DIMMER (Changing brightness of the display panel)
You can adjust the brightness of the display panel in five
degree increments.
11. MEMORY GUARD (Locking DSP parameters and other adjustments)
If you wish to prevent accidental alteration to DSP parameters
and other adjustments on this unit, select “ON”. In this position,
they are locked and cannot be changed. The following
functions on this unit can be locked by this operation. • DSP parameters
• Other functions in the “SET MENU” mode
• ON SCREEN display key
• LEVEL key
• TEST key
ADVANCED FEATURES