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2. How to Update
The latest firmware can be downloaded to a USB memory for updates.
2.1. Connecting to the USB Memory
(1) Preparation
• Use a memory that supports USB2.0.
• Save the update file on a blank USB flash drive for use.
• USB format : Prepare a USB memory formatted in FAT16 or FAT32.
• Do not run the USB flash 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 flash drive unit.
• If a USB flash drive cannot be updated, replace it with a different USB flash drive and perform the
update again.
2.2. Unzipping the Downloaded File
Copy the downloaded file to the USB root directory.
File name
DHT-S316.BIN
2.3. Starting up
(1) Press the power button to turn on the power.
(2) Switch SOURCE to OPTICAL.
(3) Connect the USB memory device on which the program is written.
2.4. Displays
(1) The update will start automatically and the LED will light as follows.
Function
Plug in USB memory and loading file
○ (White)
Check update file
○ (White)
Success entry USB update, please wait.
○ (White)
Update success
○ (White)
(2) The firmware update finishes.
Press the power button to turn off the power.
(3) After updating the firmware, check the version.
See
"1. Version Display
Mode"
---Cautions on Firmware Update---
• Turning on the power while the update USB flash drive is inserted starts the update automatically.
• Do not turn off the power until updating is completed.
• Initialize after the update is complete.
45
LED 1
LED 2
LED 3
○ (White)
○ (White)
○ (White)
○ (White)
○ (White)
LED 4
○ (Purple)
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