Diasonic Tech DMP-105 - Manual (Page 24)

Deleting is possible only from a stop position. (Deleting is same
between MP3 and Voice property)
Deleting each massage
Use FF or REW button to select massage to be deleted.
Press menu and use FF or REW button to select ERASE then
choose 'one' After that, select 'yes' then message will be deleted
with 'erasing' displayed on the screen.
. LCD message number will be pulled forward when messages get
deleted.
Notice: Deleted messages can't be recovered.
Delete all messages
Use the menu button to select property(MP3 or RECORD) to be
deleted.
Select the property to delete then press menu and use FF or REW
button to choose ERASE and select 'all'.
After that, select 'yes' and all the messages in selected property will
be deleted with 'Erasing...' displayed on the screen.
Now, LCD will display 'NO FILES'.
- Deleting H/D is possible through USB
- If all the memories from hard-disk function are used up, storing of
recorded or MP3 files are impossible. So, please use it after
arranging the files.