Videoswitch Vi-R2000 Series - Manual (Page 19)

Vi-R2000 Series
Videoswitch Page 15 Mdr601a.doc
1.6. Record Settings
If you use the default configuration supplied (which may be reloaded at any time from a USB memory
stick), recording will be enabled for all cameras at Medium quality at a reasonable frame rate.
To adjust record setting to suit your application, enter the Record menu by pressing the MENU key
(hold for 1 second on a Vi-R2001), selecting Settings then selecting Record. The most important
things that need to be set are outlined in the following sections.
3.1.2 Schedule
For most applications, make sure the schedule is enabled for all connected cameras and for all times
of each day. This is indicated by all blocks being BLUE in the Schedule tab. If you need to set the
whole schedule:
1. Select Schedule screen
2. Select Enable Schedule
3. Click on Apply
4. Click on OK
3.1.3 Resolution
Select the General screen. A resolution of 4CIF is recommended for best quality but it does use nearly
twice as much hard disc space as 2CIF which may also be used.
3.1.4 Quality
Medium quality is appropriate for most applications. If you change the quality setting, make sure you
also change the Max Bitrate (Kbps) to a value equal or higher to that indicated in this table:
2CIF 4CIF Frames
per
second Lowest Lower Low Medium Higher Highest Lowest Lower Low Medium Higher Highest
1 147 221 258 295 370 518 295 370 445 518 592 890
2 167 252 295 336 421 590 336 421 506 590 675 1012
4 208 313 366 418 523 733 418 523 626 733 838 1258
6 250 375 438 500 626 877 500 626 751 877 1002 1503
8 291 436 510 582 728 1020 582 728 875 1020 1166 1750
3.1.5 Frame Rate
The frame rate has next greatest impact on disc space usage. Refer to the tables in section 3.1.7 to
choose highest record rates that achieves sufficient retention of recordings.
3.1.6 Copy settings to all other Cameras
Once you have set one camera, you can copy these settings to all other connected cameras by
clicking on Copy.
3.1.7 Retention Period Tables
The time period for which video recording is retained for before being over-written depends on these
factors:
• Hard drive capacity (1 to 2 Tbyte)