I.R.I.S. 808 Digital Video Recorder - Manual (Page 70)

Note: If the HDD has not been formatted yet, it will be formatted and partitioned
with default record size, 30% for Alarm record and 70% for Normal record.
If it has been formatted (and recorded) before, it will be partitioned
according to the Alarm Record Size (%) and Normal Record Size (%)
displayed on the screen, and the previously recorded contents will all be
cleared.
 CALL => Physical Format (Mouse: Left click)
Press this button to physically format the selected HDD. A confirmation dialog
will be shown on the screen, press ENTER to confirm, or ESC to cancel. Please
note that the recording will be always
optimized for performance & lifetime
no matter it’s for the first time or for the one hundredth time. The
formatting would take about 40 seconds to a few minutes. We strongly
recommend that the user use this physical format function to format the
HDD for the first time.
Note: The HDD will be physically formatted and partitioned with default record
size, 30% for Alarm record and 70% for Normal record. All the previously
recorded contents will be cleared.
 MENU/ESC (Mouse: Right Click)
Press this button to escape from this screen, and return to HDD Setup display. If
the Save dialog is shown, press ENTER to exit and save, MENU/ESC
(Mouse:
Right Click) to exit without saving.
Following is a brief description for each item and its specific operations:
 Size (GB) – the total storage in GB (Giga-Byte) for the HDD if it has been
formatted. This item is just for information.
 Alarm Record(%) – Alarm Record Size (in percentage) for this HDD. Please
follow the Text Input method described in Section 4.1 to change the value. Please
note that if the alarm record percentage for all HDDs is zero, the alarm
video/audio will be recorded in normal record partition for software V6.12
or above.
 Normal Record(%) – Normal Record Size (in percentage) for this HDD. It
equals to (100% - Alarm Record Size). This item is just for information.
70