Marantz SR5010/U1B - Selecting the Mode for Service-Related Operations

3. Selecting the Mode for Service-related Operations
3.1. Actions
Select diagnostic mode (service path check mode), protection history display mode, or 232C standby clear mode.
3.2. Starting up
While holding down buttons "
ZONE2 SOUCE
" 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.
q
FLD
L1
1 S E R V I C E
L2
C H E C K
L3
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.
w
FLD
L1
2 P R O T E C T
L2
L3
The protection history can be checked.
e
FLD
L1
3 R S 2 3 2 C
L2
R E S E T
L3
Switches from 232C standby mode to normal standby mode.
r
FLD
L1
4 O P I N F O
L2
L3
Operation Info for the unit can be checked.
t
FLD
L1
5 T U N E R
L2
F R E Q
L3
Enables reception STEP of the ANALOG TUNER to be changed.
3.4. Canceling the selected mode
Press the power button to turn off the power.
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