Sanyo ICR-1000 Manuel D'instructions page 17

Note:
"Insertion Recording" and "Partial Erase" features of ICR-1000 may not work
properly on 512MB or greater SD Cards, due to the properties of larger SD
Cards. All other features of the recorder will work normally on all size SD
Cards...
Please refer to the following table.
SD Card
LP
Recording
SP
Time
HQ
XHQ
Yes : Insertion Recording / Partial Erase is supported.
No : Insertion Recording / Partial Erase is not supported.
64MB 128MB 256MB 512MB 1GB
Yes Yes
Yes Yes
Yes Yes
Yes Yes
[ENGLISH]
Yes No
Yes No
Yes No
Yes Yes
2GB
No No
No No
No No
Yes No
GB-16