D-Link DNS-320L User Manual page 156

Section 4 - Configuration
Step 7 - Select either Read Only or Read/ Write priviledges for
WebDav Settings.
Click Next to continue.
Step 8 - Edit the amount of space you want to assign to the
group for each volume. Enter zero to give unlimited disk space
to the group.
Click Next to continue.
DNS-320L
D-Link ShareCenter™ User Manual
151