Firmware Update Settings; Restore Factory Settings; Shutdown Delay Setting; Language Settings - Alpine HDP-D90 Owner's Manual

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Setting item: Built-in AMP
Setting content: on (initial setting) / off

Firmware Update Settings

Select [Firmware Update] from the options
page to enter the firmware update setting
page.
 Firmware update page
Setting item: Firmware update
1
Click the ">" button to select the upgrade
file.
2
Click the "Update" button to upgrade the
firmware. The upgrade progress reaches
100%, indicating that the firmware upgrade
is successful.
3
Click the "OK" button to exit the firmware
update. After the update, the machine will
automatically restart to work.

Restore Factory Settings

Select [Restore Factory Settings] from the
options page to enter the factory reset page.
 Restore factory settings page
11 EN
Setting item: restore factory settings
1
Click the "OK" button to restore all the data
set in the machine to the factory default
state.

Shutdown delay setting

Select [Shutdown Delay] from the options page
to enter the shutdown delay setting page.
 Shutdown delay page
Setting item: shutdown delay
Setting content: 0~255s (initial value: 0s)

Language Settings

Setting item: language
Setting content: Chinese/English

View About

Select [About] from the options page to enter
the about page.
 About page
You can view the version number.

Encryption Settings

Click [Encryption] to enter the encryption page,
and click [Decrypt] to enter the decryption
page.