Denon AVR-X540BT Service Manual

2.4. Start the update.
Turn on the power of this unit.
Press the "SETUP" button on the remote control.
(1) Select "General".
General
(2) Select "Firmware".
Firmware
(3) Press the "ENTER" button.
Firmware :Start
(4) Select "Yes". Press "ENTER" button.
Firmware :Yesr-
Update Time**:**
(5) After updating the rmware, check the version.
See "1. Version Display Mode"
---Cautions on Firmware Update---
• Do not remove the USB ash drive until updating is completed.
• Do not turn off the power until updating is completed.
• It takes around 35 minutes to complete the update.
Once an update is started, normal operations cannot be performed until it is completed.
The GUI menu settings and image adjustment settings of this unit may be initialized.
Note down the settings before updating, and set them again after updating.
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Caution in
servicing
Electrical Mechanical Repair Information Updating

Denon AVR-X540BT Specifications

General

Brand	Denon
Model	AVR-X540BT
Category	Stereo Receiver
Language	English