Trong trường hợp quên mật khẩu truy cập vào đầu ghi hình (ta không thể điều khiển hay cài đặt được đầu ghi hình được) ta phải chọn cách reset cứng cho đầu ghi hình.

HARDWARE RESET!

AVC760 4  CH   MPEG4  JP2        Hardware_Reset_AVC760_761_CPD560

AVC761 4  CH   MPEG4  JP2        Hardware_Reset_AVC760_761_CPD560

AVC781 4  CH   MPEG4  two pins near power board      Hardware_Reset_AVC781_CPD501

AVC782 4  CH   MPEG4  two pins near power board      Hardware_Reset_AVC782_CPD502

AVC783 4  CH   MPEG4  JP2        Hardware_Reset_AVC783_CPD503

AVC785 8  CH   MPEG4 2 pinholes marked R   Hardware_Reset_AVC785_787_CPD505_507

AVC787 16 CH MPEG4   2 pinholes marked R Hardware_Reset_AVC785_787_CPD505_507

AVD715 8  CH  MPEG4   2 pin pads    Hardware_Reset_CPD515_CPD517_CPD536_CPD538

AVD717 16 CH  MPEG4   2 pin pads    Hardware_Reset_CPD515_CPD517_CPD536_CPD538

AVC760A 4  CH   MPEG4  JP2  (Video Viewer Version)    Hardware_Reset_760A_761A

AVC761A 4  CH   MPEG4  JP2  (Video Viewer Version) Hardware_Reset_760A_761A

AVC773                  4  CH JPEG   JP1 See picture at bottom of page.

AVC776 9  CH  JPEG     Hardware_Reset_AVC776_776W

AVC777 16 CH  JPEG     Hardware_Reset_AVC777_777W

AVC790 4  CH  H.264  R288   (Same as CPD 540, MR673, KPD670, 671, 672, 673) Hardware_Reset_AVC790_791_CPD540_MR673_KPD670

AVC791 4  CH  H.264  R288      Hardware_Reset_AVC790_791_CPD540_MR673_KPD670

AVC792 4  CH  H.264  R287     Hardware_Reset_AVC792

CPD560 4  CH   MPEG4  JP2     Hardware_Reset_AVC760_761_CPD560

CPD561 4  CH   MPEG4  JP2     Hardware_Reset_AVC760_761_CPD560

CPD501 4  CH   MPEG4  two pins near power board     Hardware_Reset_AVC781_CPD501

CPD502 4  CH   MPEG4  two pins near power board     Hardware_Reset_AVC782_CPD502

CPD503 4  CH   MPEG4  two pins near power board     Hardware_Reset_AVC783_CPD503

CDP505 8 CH   MPEG4  2 pinholes marked R     Hardware_Reset_AVC785_787_CPD505_507

CPD507 16 CH   MPEG4  2 pinholes marked R     Hardware_Reset_AVC785_787_CPD505_507

CPD515 8  CH  MPEG4   2 pin pads

CPD517 16 CH  MPEG4   2 pin pads

CPD536 8  CH  MPEG4   2 pin pads

CPD538 16 CH  MPEG4   2 pin pads

CPD535 8  CH T35 and T36

CPD537 16 CH T35 and T36

CPD540 4  CH   H.264  R288

DR 040 4  CH  JP4

DG0824 8  CH T35 and T36

DG1648 16 CH T35 and T36

KPD604 4  CH   JP2

KPD608 8  CH   BC563

KPD616 16  CH   BC563

KPD670 4  CH   H.264  R288

KPD671 4  CH   H.264  R288

KPD672 4  CH   H.264  R288

KPD673 4  CH   H.264  R288

KPD675 8  CH   R155     Hardware_Reset_KPD675_676_677_KPD678

KPD676 8  CH   R155     Hardware_Reset_KPD675_676_677_KPD678

KPD677 16 CH   R155     Hardware_Reset_KPD675_676_677_KPD678

KPD678 16 CH   R155

rd

Cách thực hiện đối với đầu ghi hình KPD674

- STEP1：Remove the DVR cover and find the chip resistor to reset the hardware
- STEP2：The chip resistor is located on TP5/TP6, as indicated below： 
- STEP3：Disconnect the DVR power. Then, make the chip resistor short-circuited

with a conductive object (such as forceps)  and re-connect the power.

- STEP4:   Remove the conductive object when you hear a short beep sound, and

wait till the DVR reboots

MAX PRO 4 4  CH  JP4

MR673 4  CH   H.264  R288

AVTech             AVC 773, AVC776, AVC777

SECURITY        DVR 4004N, DVR 4104N, DVR 1604N, DVR 1614N, DVR 9004N, DVR 9014

CAMERAS

DIRECT

JP1 System Reset Procedures:

1).  Un-Plug Power Cord

2).  Short JP1's 2 pads on PCB (Hold it).

3).  Plug in Power Cord then release JP1's short circuit, and AVC 777 should be back to normal.

The default password for 4 channel DVRs is 0000.  Press the ENTER button 4 times, and this will get you into the menu.

Over the internet with a browser, or using the remote software, the username is admin, and the password is admin