Delete all keytags
Press [#], enter master PIN code and
with [#].
3 4 2
Press [3] to enter the deletion of user
information and enter [4] to enter the
deletion of keytag, then enter [2] to delete
all keytags. After hearing a voice prompt
of "Succeeded", keep pressing [*] until you
finally exit the master mode.
System initialization
Remove the battery cover, then double
press the [RES] hole with a sharp
object. When you hear a voice prompt
of "Restoring to default settings", it
means that all user information is emptied.
14
System settings
Language settings
confirm
Press [#], enter master PIN code and
with [#].
4
Press [4] to enter system settings, then press
[1] to enter language settings.
1
For Chinese, press [1]; For English, press [2];
For Spanish, press [3]; For Russian, press [4];
For Arabic, press [5]. After hearing a voice
prompt of "Succeeded", press [*] until you
finally exit the master mode.
Attention
The default language is English.
Volume settings
Press [#], enter master PIN code and
with [#].
4
Press [4] to enter system settings, then press
[2] to enter volume settings.
1
Choose the volume as needed: For
high volume, press [1]; for low volume,
press [2]; for mute mode, press [3].
After hearing a voice prompt of
"Succeeded", keep pressing [*] until you
finally exit the master mode.
Attention
The default volume is "high volume".
1
2
or
2
2
3
or
or
confirm
confirm