Marantz NR1506 /U1B - Selecting Service-Related Operations Modes; Displaying and Selecting Each Mode

3. Selecting the Mode 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
While holding down buttons "
ZONE2 SOURCE
" and "
STATUS
" simultaneously, press the power button to turn on the
power.
Select the desired mode using the "
TUNER PRESET CH+
" button, then press the "
STATUS
" button to conrm.
3.3. Displaying and Selecting Each Mode
The information shown on the display switches each time the "
TUNER PRESET CH+
" button is pressed.
Press the "
STATUS
" button to set the currently displayed mode and restart the device.
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1 . S E R V I C E C H E C K
Service Path Check Mode：
The Video and Audio paths can be checked.
This function is convenient for conrming problem paths in the product and checking the paths
after repairing.
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FLD
2 . P R O T E C T I O N
The protection history can be checked.
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4 . O P I N F O
Operation Info for the unit can be checked.
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5 . T U N E R F R Q S E T
Enables reception STEP of the ANALOG TUNER to be changed.
3.3. Canceling the selected mode
Press the power button to turn off the power.
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