Denon HOME 250 Service Manual

3. Updating via USB
You can update the rmware by downloading the latest version with USB ash drive.
3.1. Connecting to the USB ash drive
(1) Preparation
• Windows PC
• USB ash drive format : Prepare a USB ash drive formatted in FAT16 or FAT32.
b
We recommend a USB ash drive that has an LED installed.
NOTE :
• Use a memory that supports USB2.0.
• Do not run the USB ash drive through a hub.
• Do not connect a computer to the USB port of this unit using a USB cable.
• Do not use an extension cable when connecting the USB ash drive.
• Save the update le on a blank USB ash drive for use.
• If a USB ash drive cannot be updated, replace it with a different USB ash drive and perform the
update again.
3.2. Unzipping the Downloaded File
(1) Unzip the downloaded le on your computer.
XXXXXXXXXXX xxxxxxxxxx_xxxxxxxx.zip
(2) There are folders and les after unzipping.
(3) Unzip again
The le must be placed in the root directory of the USB ash drive.
Service information
Firmware le
Unzip again
Firmware le
Copy to the root directory
of the USB ash drive.
NOTE: b When update is complete, the folder name on the USB ash drive changes to "heos_60.prod.
update.done". To use the les again, delete the ".done" part.
3.3. Start the update.
(1) Connect the USB ash drive to the USB port of this unit.
(2) Updating starts automatically.
3. The Status LED of this unit blinks in amber during the rmware upgrade.
Here is an example of the LED indicator display.
The Status LED blinks in amber.
(4) This unit restarts automatically when an upgrade is completed.
Here is an example of the LED indicator display.
The Status LED blinks in Blue.
(5) The connection setup has been completed and this unit is now ready to connect to the network.
Here is an example of the LED indicator display.
(6) Be sure to write the service region settings again.
See "4. Service region settings update procedures"
---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.
Once an update is started, normal operations cannot be performed until it is completed.
• When update is complete, the folder name on the USB ash drive changes to "heos_60.prod.update.
done". To use the les again, delete the ".done" part.
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
60

Denon HOME 250 Specifications

General

Product color	White
Volume control	Touch
Recommended usage	Tablet / Smartphone
Remotely operated	Yes
Remote control type	Wireless
Speaker type	-
Woofer diameter	100 mm
Tweeter diameter	19 mm
Number of drivers	4
Speaker placement	Tabletop/bookshelf
Audio output channels	2.0 channels
Number of tweeter drivers	2
RMS rated power	- W
Amplifier class	D
Connectivity technology	Wired & Wireless
Ethernet LAN (RJ-45) ports	1
Cables included	AC
Package depth	192 mm
Package width	385 mm
Package height	323 mm
Package weight	4800 g
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz

Weight and Dimensions

Depth	120 mm
Width	295 mm
Height	216 mm
Weight	3700 g