Marantz SR7009/U1B Service Manual page 77

3.8. Operation Info Mode
3.8.1. Actions
This mode displays the accumulated operating time, power on count and each protection count.
3.8.2. Starting up
Hold down buttons "ZONE SELECT" and "BACK" at the same time and press the power button to turn on the power.
Select the "4. OP INFO" using the button "CURSOR f / d ", and press the button "ENTER" to commit the selection.
3.8.3. 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
L1
O p e r a t i o n
FLD
L2
T o t a l :
(b) Power on count
L1
P o w e r
FLD
L2
T o t a l :
(c) DC / ASO Protection count
L1
P r o t e c t i o n
FLD
L2
D C :
(d) Thermal Protection count
L1
P r o t e c t i o n
FLD
L2
T H M
L1
P r o t e c t i o n
FLD
L2
T H M
(e) CURRENT Protection count
L1
P r o t e c t i o n
FLD
L2
C u r r e n t :
(Returns to normal display)
"STATUS"
O n
"STATUS"
/ A S O :
"STATUS"
A :
"STATUS"
E :
"STATUS"
T i m e
H
↑ Time display
T i m e
↑ Count display
T i m e
T i m e
/ B :
T i m e
/ F :
T i m e
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