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System date initialization
Remove the battery cover and double
press the [RES] button with a sharp
object, until you hear a voice prompt
of "Restored to factory settings". All
user information will be emptied.
System Settings
Language Settings
Press [#], enter master PIN code and
confirm with [#].
4
1
Press [4] to enter system settings,
then press [1] to enter language
settings.
1
2
or
Adjust the language as needed: For
Chinese, press [1]; for English, press
[2]. After hearing a voice prompt of
"Succeeded", press [*] several times
until you exit master mode.
Attention
The default language is
14
English
.
Volume settings
Press [#], enter master PIN code and
confirm with [#].
4
2
Press [4] to enter system settings, then
press [2] to enter volume settings.
1
2
or
or
Adjust the volume as needed: For
higher volume, press [1]; for lower
volume, press [2]; for mute mode, press
[3]. After hearing a voice prompt of
"Succeeded", press [*] several times
until you exit master mode.
Attention
The default volume is "higher volume".
Switch to dual verification mode
Press [#], enter master PIN code and
confirm with [#].
4
3
Press [4] to enter system settings,
then press [3] to choose verification
method.
1
2
or
For single verification, press [1]; for
dual verification, press [2]. After
hearing a voice prompt of "Succeeded",
press [*] several times until you exit
master mode.
3
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