COMedia DVR6600 User manual

1 rev 1.2
DVR6600
Portable DVR Module
With TFT display
Description
This portable DVR module has built in TFT display, accept analog video signal input. It is good for
industrial inspection, viewing some hidden area, capture photo or recording video for analysis.
Features
9Small in size
91-channel video input with LED on-off
control
9Built in TFT display of 3.5”
9JPG – 720x480 (NTSC)
720x576(PAL)
9AVI – 720x480 30fps MJPEG(NTSC)
720x576 25fps MJPEG(PAL)
9Video clip length 1-60 sec
9Zoom function 2X
9Support SDHC to 16G
9On system audio recording and playback
9Optional A/V output to TV
9Low battery detect
9Auto power off
9RTC to display date time
9Stamp data time on photo/AVI
Block Diagram
Electrical Characteristics (at room temperature 25C)
Parameter Condition Min Typ Max Unit
Operation Voltage 4.2 6 6.5 V
Operation Current 400 mA
RTC D/T backup Full charged 10 hr
Key board Layout
Camera TFT 3.5”
DVR6600
mic
TV Set
SDHC
6V battery
A/D
DSP
SD Ram
Serial Flash
Audio Amp
Key Board
Portable system
Power
Key
LED
MODE
MENU
DN
LF
UP
RT
OK

2 rev 1.2
Operation
Preview Mode
1 Press PWR key to turn on the machine. Awelcome screen will pop up and the screen will show the
real time video. The on screen display will be shown as below.
2 Change between preview mode and play back mode.
By default, the DVR is in preview mode when power up. One can press MODE to switch preview
mode or playback mode.
3 Capture JPG orAVI
3.1 Before capture, user needs to select photo or video. Press DN key to set video or photo in
preview mode. Relevant icon will be shown on screen.
3.2 Take a snap shot – make sure it is in photo mode, press OK key to take a photo.
3.3 Take a video clip - make sure it is in video mode, press OK to start recording. During
recording a red dot will be flashing on the screen. Press OK again to stop recording. The
machine has been set to a maximum recording time of 60sec. So, during recording, if OK
key has not been pressed within 60sec, then it will stop recording and quit to preview mode
Note: this module has no on-board memory, so it needs external SD card to store files. User needs to insert SD
card before it can perform a snap shot or video capture
4 Zoom in and Out
4.1 The machine can perform zoom in and out the image up to 2x. One can press LF/RT key to
perform zoom function.A status bar will be shown on the screen.
4.2 Recording in zoom mode will be different to recording in normal mode. It will go back to
normal scaling if the image has been zoomed.After capturing, it will keep normal scaling
view instead of zoomed view.
5 Turn on off the external LED
5.1 This module provides a GPIO to control the external LED.Assume there is a LED built in the
front end of camera tip for illumination. By default the LED is on after power up.
5.2 Use UP key to turn on/off the LED.
5.3 This LED will be off in the play mode other than preview.
5.4 Please note that the control of this LED will be disabled when recordingAVI (i.e. the LED
state, which stored before the recording process, cannot be changed until the end of the
recording process).
6 Battery detect
6.1 At power on, the battery icon will be on for a few seconds to indicate the battery status. If it
is full, the icon will be disappeared after a few seconds. If it is less than half, it will be on until
machine turns off.
6.2 If the battery is lower than half capacity during operation, the battery icon will pop up until
machine turns off.
6.3 If the battery level is very low and not allowed to operate any more, battery icon will be
flashing.
6.4 If the battery level is really low, pop up “Battery Low, Shutting down” message for 2 sec
and turn off the machine automatically.
7 Auto power off
7.1 When the system has not been operated for 3 min in preview mode, it will turn off the power
automatically. In playback mode, it will not auto off.
7.2 When USB is connected, it performs as mass storage and the system will always be on,
TFT will display a USB connection icon. Make sure the module is on before connected to
PC.
Date/time
SD card
Video/photo
Battery logo

3 rev 1.2
Playback Mode
8 Playback the files in SD card
8.1 Press MODE to enter playback mode. If there is no file in the memory or there is no SD card,
it will show “NO FILE” and return to preview mode automatically.
8.2 If there are files in the memory, it will display last file on screen. Use RT/LF button to view
next/previous file. Press Mode to enter view mode.
8.3 If the file is AVI, press DN to start playing.
8.4 In playback mode, press UP to turn on/off the OSD.
9 Playing AVI
9.1 Use DN key to start playing, press DN key again to stop
9.2 Use UP key to pause playing, press OK to resume, press DN to stop
9.3 At playing, press RT to play fast forward (2x speed). Press OK to resume normal speed
playing.
9.4 At playing, press LF to play reverse (1x speed) Press OK to resume normal forward
playing.
9.5 During any playing mode, press UP to Pause, press DN to stop, press OK to return normal
forward playing.
9.6 During play, relevant icon will be shown to indicate pause, playing normal, fast forward and
backward.
Note: the files are saved in the folder named DVID, file name: IMGxxxx.jpg or IMGxxxx.avi
10 Delete files from SD card
10.1 At playback mode, press MENU to enter deletion
menu, by using LF/RT key, one can select delete
current image or all files. A confirmation window will be
popped up, YES to confirm, NO to cancel
10.2 One can select format to delete all files and all folders
10.3 Press MENU again to quit.
11 Playing files in PC
11.1 Remove the SD card from module and insert to PC card reader.
11.2 Using browser to view the SD card, all files are in the folder called DVID. One can play
those files like other files taken by DSC.
11.3 During USB connection, don’t remove SD card from the machine, otherwise, it may cause
machine hang problem.
System Setup
12 System Setup
At preview mode, press MENU
12.1 Set up Date/time
12.1.1Use LF/RT key to select date or time and UP/DN
key to set the correct digit. The setting will then
store into system. Press OK to apply or press
Menu to cancel.
12.1.2 One can change the D/T display format by
clicking the UP key on the field of DD/MM/YY
12.2 Setup the image quality – high or low
12.2.1Press OK to toggle
12.3 Setup the video quality – D1/QVGA
12.3.1Press OK to toggle
12.4 Use LF/RT to move selection
12.5 Press MENU to quit
Delete Menu
Set Up Screen
Time Movie
Quality
Photo
Quality
TV Out
Delete
Single Delete
All Format

4 rev 1.2
DOWN
56K\0603
GND
1.61V1.24V
S8
1 2
100K\0603
S11
1 2
1.24V
S4
1 2
Menu
S10
1 2
1.94V
S3
1 2
V33V
S12
1 2
V33V
MODE
2.36V
36K\0603
24K\0603
OK
36K\0603
GND
0.88V
LEFT 1.61V UP
36K\0603
VDT_KEY1
100K\0603 24K\0603
S9
1 2
RIGHT
VDT_KEY2
100K\060336K\0603
Icon Definition
Set up Menu
Date/Time setup Image quality: High/Low
TV setting: PAL/NTSC Movie quality: D1/QVGA
Photo Management
Delete current file Format SD card, clear
all files and folders
Delete all files
Keys Operation matrix
Preview Playback Playing AVI
Mode Enter playback mode Enter preview mode -
Menu Enter setup Menu Enter deletion menu -
UP Turn on/off LED Turn on/off OSD Pause
DN Select JPG/AVI Play AVI file Start/Stop
LF Zoom in Previous file Backward
RT Zoom out Next file Fast Forward
OK Snapshot or video capture Normal playing
Set up Menu Date/time setting
Mode - -
Menu Quit menu mode Quit date/time setting
UP - Increase digit
DN - Decrease digit
LF Select item Cfm and shift to previous
RT Select item Cfm and shift to next
OK Enter or toggle the setting Cfm and quit
Key Board Schematics

5 rev 1.2
Board Dimension
TFT Specification
Main Board TFT Adapter Board

6 rev 1.2
TFT Dimension