Marantz NR1509 Service Manual page 119

3-3. Operation Info Mode
3-3.1. Actions
This mode enables the unit to display the accumulated operating time, power On count and each
protection count.
3-3.2. Starting up
While holding down buttons "TUNER PRESET CH+" and "STATUS" simultaneously, press the power
button to turn on the power.
Select the "4. OP INFO" using the "TUNER PRESET CH+" button, then press the "STATUS" button
then to confirm.
3-3.3. Operations
Press the "STATUS" button after starting up this device in Operation Info mode.
The following information is displayed in the following order.
(1) Accumulated operating time
OP Time ______H
"STATUS" ↑ Time display
(2) Power On count
P.On Time______
"STATUS" ↑ Count display
(3) DC / ASO Protection count
DC:___/ASO:___
"STATUS"
(4) Thermal Protection (A/B) count
THM A:___/B:___
"STATUS"
(5) Thermal Protection (E) count
THM E:___
"STATUS"
(6) Current Protection count
Current:___
"STATUS"
(Returns to normal display)
3-4. TUNER STEP mode (U / N only)
3-4.1. Actions
This is a special mode for enabling reception STEP of the ANALOG TUNER to be changed.
3-4.2. Starting up
While holding down buttons "TUNER PRESET CH+" and "STATUS" simultaneously, press the power
button to turn on the power.
Select the "5. TUNER FRQ SET" using the "TUNER PRESET CH+" button, then press the "STATUS"
button then to confirm.
3-4.3. Displays
Start up this unit in TUNER STEP mode, select the desired option using the "TUNER PRESET CH+"
button, then enter using the "STATUS" button.
The following information is displayed in the following order.
(1) AM9 kHz / FM50 kHz is selected
< AM9/FM50 >
"TUNER PRESET CH+"
(2) AM10 kHz / FM200 kHz is selected
< AM10/FM200 >
"STATUS"
(3) Press the power button to turn off the power.
(4) Press the power button to turn on the power.
119
"TUNER PRESET CH-"