Marantz NR1605/U1B Service Manual page 51

3.6. Operation Info Mode
3.6.1. Actions
This mode displays the accumulated operating time, power on count and each protection count.
3.6.2. 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 "4. OP INFO" using the button "INTERNET RADIO", and press the button "STATUS" to commit the selection.
3.6.3. Operations
Press the "STATUS" button after starting this device in Operation Info mode.
The following information is displayed in the following order.
(a) Accumulated operating time
FLD
O P T i m e
(b) Power on count
FLD
P . O n
(c) DC / ASO Protection count
FLD
D C : / A S O :
(d) Thermal Protection count
FLD
T H M
(e) Thermal Protection count
FLD
C u r r e n t :
(Returns to normal display)
"STATUS"
T i m e
"STATUS"
"STATUS"
A : / B :
"STATUS"
"STATUS"
H
↑Time display
↑Count display
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