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Style 990
ATE
Diffuse field (Near field)
Diffuse field (Far field)
PCM
Filter
DSD
On/Off
Bluetooth
Bluetooth DAC
Total space
Free space
TF card
Total tracks
Formatting TF
Device name
Information
Model
Software version
Hardware version
Legal info
Versions
Factory reset
Notes:
The values in the brackets are default ones.
When doing factory reset, all settings included ATE will be reset to the original status.
English
52
(Short delay sharp rolloff)
Sharp rolloff
Slow rolloff
Short delay slowrolloff
Super slow rolloff
Low dispersion short delay
(Cut off low frequency)
Cut off high frequency
Firmware Update
Firmware Update
• Before updating, please make sure the battery power is over
20%
• Download the firmware file from www.lotoo.cn and copy it to the
<UPGRADE> folder on the TF card
• Enter Settings, click on the software version, then follow the
instruction on the screen.
Notes:
• We reserve the right to change the product function without any further notice.
• The firmware update will not automatically delete files, but improper operations may
cause update failure. In exceptional cases, you may need to reformat the TF card;
therefore, please backup all the files on the TF card before updating.
• Be sure to carefully read this manual before operation; the firmware of this device
is inapplicable to other products.
Misc
Troubleshooting
English
53
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