| Model |
DG1648 |
DG0824 |
DG0412 |
| Video System |
NTSC / PAL (auto
switchable) |
NTSC / PAL (auto
switchable) |
NTSC / PAL (auto
switchable) |
| Video Compression Format |
MPEG-4 |
MPEG-4 |
MPEG-4 |
Video Input
(Composite video
signal 1 Vp-p 75Ω BNC) |
16 Channels |
8 Channels |
4 Channels |
| Video Loop Output |
16 Channels |
8 Channels |
4 Channels |
| Video Output |
Composite video
signal 1 Vp-p 75Ω BNC |
Composite video
signal 1 Vp-p 75Ω BNC |
Composite video
signal 1 Vp-p 75Ω BNC |
| Maximum Recording Rate (Frame) |
720×480 pixels with
120 IPS <NTSC> / 720×576 pixels with 100 IPS <PAL> |
720×480 pixels with
60 IPS <NTSC> / 720×576 pixels with 50 IPS <PAL> |
720×480 pixels with
30 IPS <NTSC> / 720×576 pixels with 25 IPS <PAL> |
| Maximum Recording Rate (Field) |
720×240 pixels with
240 IPS <NTSC> / 720×288 pixels with 200 IPS <PAL> |
720×240 pixels with
120 IPS <NTSC> / 720×288 pixels with 100 IPS <PAL> |
720×240 pixels with
60 IPS <NTSC> / 720×288 pixels with 50 IPS <PAL> |
| Maximum Recording Rate (CIF) |
352×240 pixels with
480 IPS <NTSC> / 352×288 pixels with 400 IPS <PAL> |
352×240 pixels with
240 IPS <NTSC> / 352×288 pixels with 200 IPS <PAL> |
352×240 pixels with
120 IPS <NTSC> / 352×288 pixels with 100 IPS <PAL> |
| Adjustable Recording Speed
(Frame) |
120, 60, 30, 15 IPS
<NTSC> / 100, 50, 25, 12 IPS <PAL> |
60, 30, 15, 7 IPS
<NTSC> / 50, 25, 12, 6 IPS <PAL> |
30, 15, 7, 3 IPS
<NTSC> / 25, 12, 6, 3 IPS <PAL> |
| Adjustable Recording Speed
(Field) |
240, 120, 60, 30 IPS
<NTSC> / 200, 100, 50, 25 IPS <PAL> |
120, 60, 30, 15 IPS
<NTSC> / 100, 50, 25, 12 IPS <PAL> |
60, 30, 15, 7 IPS
<NTSC> / 50, 25, 12, 6 IPS <PAL> |
| Adjustable Recording Speed
(CIF) |
480, 240, 120, 60
IPS <NTSC> / 400, 200, 100, 50 IPS <PAL> |
240, 120, 60, 30 IPS
<NTSC> / 200, 100, 50, 25 IPS <PAL> |
30, 15, 7, 3 IPS
<NTSC> / 25, 12, 6, 3 IPS <PAL> |
| Multilingual OSD |
YES |
YES |
YES |
| Image Quality Setting |
Best / High / Normal
/ Basic |
Best / High / Normal
/ Basic |
Best / High / Normal
/ Basic |
| Hard Disk Storage |
Accommodate 3 HDDs
or 2 HDDs plus 1 independent disk array*
* HDDs and disk arrays
are optional. |
Accommodate 3 HDDs
or 2 HDDs plus 1 independent disk array*
* HDDs and disk arrays
are optional. |
Accommodate 1
HDD |
| HDD Quick Cleaning |
Quick clean up the
“index system” of the recorded files (750GB under 2 seconds) |
Quick clean up the
“index system” of the recorded files (750GB under 2 seconds) |
Quick clean up the
“index system” of the recorded files (750GB under 2 seconds) |
| Recording Mode |
Manual / Timer /
Motion / Alarm / Remote |
Manual / Timer /
Motion / Alarm / Remote |
Manual / Timer /
Motion / Alarm / Remote |
| Watermark |
YES |
YES |
YES |
| Refresh Rate |
480 IPS for NTSC /
400 IPS for PAL |
240 IPS for NTSC /
200 IPS for PAL |
120 IPS for NTSC /
100 IPS for PAL |
| Multiplex Operation |
live display,
record, playback, backup and network |
live display,
record, playback, backup and network |
live display,
record, playback, backup and network |
| Audio I/O |
4 audio inputs, 2
audio outputs (Mono) |
4 audio inputs, 2
audio outputs (Mono) |
2 audio inputs, 1
audio output (Mono) |
R.E.T.R.
(Remote Event Trigger
Recording) |
YES |
YES |
YES |
| Remote Independent Operation |
YES |
YES |
YES |
| Motion Detection Area |
16 × 12 grids per
camera for all channels |
16 × 12 grids per
camera for all channels |
16 × 12 grids per
camera for all channels |
| Motion Detection Sensitivity |
4 adjustable
variables with precise calculation for motion detection |
4 adjustable
variables with precise calculation for motion detection |
4 adjustable
variables with precise calculation for motion detection |
| Pre-alarm Recording |
Yes (8 MB) |
Yes (8 MB) |
Yes (8 MB) |
| Backup Device |
1. USB 2.0 flash
drive; 2. Network; 3. DVD-RW drive |
1. USB 2.0 flash
drive; 2. Network; 3. DVD-RW drive |
1. USB 2.0 flash
drive; 2. Network; 3. DVD-RW drive |
| USB Interface |
front panel * 1 |
front panel * 1 |
front panel *
1 |
| Web Transmitting Compression
Format |
MPEG-4 |
MPEG-4 |
MPEG-4 |
| Ethernet |
10/100 Base-T.
Support remote control and live view via Ethernet |
10/100 Base-T.
Support remote control and live view via Ethernet |
10/100 Base-T.
Support remote control and live view via Ethernet |
| Remote Operation Software |
Licensed software
AP, IE browser
*Operating System: Windows 2000 and Windows XP |
Licensed software
AP, IE browser
*Operating System: Windows 2000 and Windows XP |
Licensed software
AP, IE browser
*Operating System: Windows 2000 and Windows
XP |
| Remote Alarm Notification |
Email images, and
upload images to FTP site’s specific account |
Email images, and
upload images to FTP site’s specific account |
Email images, and
upload images to FTP site’s specific account |
| Network Protocol |
TCP/IP, PPPoE, DHCP
and DDNS |
TCP/IP, PPPoE, DHCP
and DDNS |
TCP/IP, PPPoE, DHCP
and DDNS |
| IR Transmitter |
YES |
YES |
YES |
| PTZ Control |
YES |
YES |
YES |
| Dwell Time (Sequential Channel
Switch) |
Programmable with
adjustable dwell time (3, 5, 10, 15 sec.) |
Programmable with
adjustable dwell time (3, 5, 10, 15 sec.) |
Programmable with
adjustable dwell time (3, 5, 10, 15 sec.) |
| Alarm I/O |
16 inputs, 1
output |
8 inputs, 1
output |
4 inputs, 1
output |
| Picture Zoom |
2X digital zoom |
2X digital zoom |
2X digital
zoom |
| Key Lock |
YES |
YES |
YES |
| Video Loss Detection |
YES |
YES |
YES |
| Camera Title |
Support up to 6
letters |
Support up to 6
letters |
Support up to 6
letters |
| Video Adjustable |
Hue / Color /
Contrast / Brightness |
Hue / Color /
Contrast / Brightness |
Hue / Color /
Contrast / Brightness |
| Date Display Format |
YY/MM/DD, DD/MM/YY,
MM/DD/YY, and Off |
YY/MM/DD, DD/MM/YY,
MM/DD/YY, and Off |
YY/MM/DD, DD/MM/YY,
MM/DD/YY, and Off |
| Daylight Saving |
YES |
YES |
YES |
| Power Source |
DC 19V |
DC 19V |
DC 19V |
| Power Consumption |
＜64 W |
＜64 W |
＜42 W |
| Operating Temperature |
10℃ ~ 40℃
(50℉~104℉) |
10℃ ~ 40℃
(50℉~104℉) |
10℃ ~ 40℃
(50℉~104℉) |
| Dimensions (mm) |
432mm (W) × 90mm (H)
× 326mm (D) |
432mm (W) × 90mm (H)
× 326mm (D) |
375mm (W) x 61mm (H)
x 281mm (D) |
| System Recovery |
System auto recovery
after power reconnected |
System auto recovery
after power reconnected |
System auto recovery
after power reconnected |
| Optional Peripherals |
Independent disk
array, VGA converter, SATA converter |
Independent disk
array, VGA converter, SATA converter |
VGA converter, SATA
converter |
