Service Mode / サービスモード; Factory Mode / ファクトリーモード - Yamaha MCR-E320 Servise Manual

Micro component system / compact disc receiver/speaker system
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I SERVICE MODE
The firmware versions of the main microprocessor, DSP and USB microprocessors are displayed.
• Starting Service Mode
a. Connect the power cable to the AC power outlet.
b. To open the tray, press the "F"(EJECT) key of the main unit or "OPEN/CLOSE" key of the remote control.
c. With the tray drawn out, press and hold the "A" (STOP) key of the main unit for about 4 seconds.
Then the SERVICE mode is activated.
Each firmware version is displayed at about 5 seconds intervals.
Destination indication
d. To close the tray, press the "F"(EJECT) key of the main unit or "OPEN/CLOSE" key of the remote control.
e. Press the "STANDBY/ON" key of the main unit or "STANDBY/ON" key of the remote control and disconnect the
power cable from the AC power outlet.
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I FACTORY MODE
Factory settings are restored and the tuner step is changed (L model).
• Starting Factory Reset
All settings are returned to initial settings.
a. Connect the power cable to the AC power outlet.
b. Press the "STANDBY/ON" key for about 4 seconds continuously while pressing "SOUND" and "MODE" keys of the
main unit simultaneously. [FACTORY RESET] is displayed and after about 4 seconds, the power is turned off
automatically.
c. Disconnect the power cable from the AC power outlet.
• Starting Tuner Step (L model)
Select the tuner step AM9kHz/FM50kHz or AM10kHz/FM100kHz.
The initial setting becomes AM9kHz/FM50kHz.
a. Connect the power cable to the AC power outlet.
b. Press the "STANDBY/ON" key for about 4 seconds continuously while pressing "SOUND" and "INPUT" keys of the
main unit simultaneously,
[10kHz/100kHz] flashes and after about 4 seconds, the power is turned off automatically.
*
The setting is changed to [9kHz/50kHz] when the tuner step is activated again.
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This is displayed when the SERVICE mode is activated.
The firmware version of the main microprocessor is displayed.
About 5 seconds
The firmware version of DSP is displayed.
About 5 seconds
The firmware version of the USB microprocessor is displayed.
About 5 seconds
Normal display
(Default)
This setting change takes place every time the tuner step is activated.
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Crx-e320Nx-e700

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