Selection Modes For Service-Related Operations - Marantz NR1605/U1B Service Manual

3. Selection Modes for Service-related Operations

3.1. Actions
Select diagnostic mode (service path check mode), protection history display mode, or Operation Info mode, or TUNER
STEP mode.
3.2. Starting up
Hold down buttons "ZONE2 SOURCE" and "STATUS" at the same time and press the power button to turn on the power.
Select the mode using the button "INTERNET RADIO", and press the button "STATUS" to commit the selection.
3.3. Displaying and Selecting Each Mode
The information shown on the display changes each time the button "INTERNET RADIO" is pressed.
Press the button "STATUS" to set the currently displayed mode and restart the device.
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FLD
1 . S E R V I C E
w
FLD
2 . P R O T E C T I O N
e
FLD
4 . O P
r
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5 . T U N E R
3.3. Canceling the mode
Press the power button to turn off the power.
Service Path Check Mode：
The Video and Audio paths can be checked.
This function is convenient for confirming problem paths in the product and executing a path
check after repair.
The protection history can be checked.
I N F O
Operation Info for the unit can be checked.
F R Q
Enables reception STEP of the ANALOG TUNER to be changed.
C H E C K
S E T
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