Updating Via Usb; Connecting To The Usb Flash Drive; Downloaded File - Polk Mono Signa S4 Service Manual

2. Updating via USB

The latest firmware can be downloaded to a USB memory for updates.

2.1. Connecting to the USB flash drive

(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 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. Downloaded File

Copy the downloaded file to the USB flash drive root directory.
SU_ATMOS_0001.zip
Note :
File name
• Do not unzip the zip file. Copy it as it is.
• Do not place files that are not related to the update program in the USB flash drive.
2.3. Starting up
(1) Plug the power cord into both the SoundBar and Subwoofer and pair the Subwoofer to the
SoundBar.
Note : Keep the SoundBar and Subwoofer close together.
(2-1) Insert the USB flash drive where the firmware is stored into the SoundBar.
See "2.4. Displays" for information on checking the update progress
(2-2) After inserting the USB flash drive into the SoundBar, wait for the update to start.(5 - 10 sec)
Note : If the update does not start, reconnect the power cord and try again from (1).
(2-3) When the update starts, the LED blinks in white to show the progress.
• The LEDs #1-4 blink to indicate the amount of updates that are completed.
• The time in which the three LEDs blink is the longest. (5 - 10 min)
• The Subwoofer LED blinks quickly during an update of the Subwoofer.
(Does not blink if there is no Subwoofer Update)
(2-4) When the update is completed, four LEDs light up in white and the SoundBar restarts
automatically.
(3) After the restart is completed, remove the power cord and USB flash drive.
(4) Turn on the power again and check the new firmware version.
See "1. Version Display Mode"
(5) If the update fails, the LED on the rightmost blinks in red.
Remove and reconnect the power cord and try again.
2.4. Displays
(1) The update begins automatically, and the LEDs light as shown below.
Status
1 Plug in USB memory and loading file
2 Check update file
3 Success entry USB update, please wait. #1-3 LEDs fast blink white for 5-10 minutes
4 Update success
5 Update Fail, please retry
---Cautions on Firmware Update---
• Do not turn off the power until updating is completed.
• Initialize after the update is complete.
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Action
#1 LED fast blinks white
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#1 and #2 LEDs fast blink white
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#1-4 LEDs light white for 5 seconds
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#5 LED fast blinks Red until complete the
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update
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