ELRO DVR74W 7 tft 4-ch digital recorder + 500Gb hard disc - Manual (Page 7)

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important to remember the password due to without restoration function. Log in（to enter into “User ID select” and
“Password” input interface）and lock functions（To exit setup and operation）
【 MENU】: Press OSD for main menu；
【 PTZ】: PTZ control，press this key to enter into PTZ control interface when at single live view；
【 EXIT】: Exit to the preview or return to the last menu；
【 RECORD】: Start manual record
【 STOP】: Stop manual record
【 EXTRA 】For future use
3.1.2 Mouse Operation
You can use mouse to make operation of the menu besides IR remote controller. (The operation is the same
as PC Windows).Please inserts the mouse into USB Port.
Click
right key
Click the right key on the live view to enter into shortcut menu for selectable
Click the left key to enter into the setting interface in the shortcut menu.
Cli Double ck the left key to zoom in the window on the live view and playback video. Double
click the left key can exit to the live view and playback multi-window interface.
1. Volume adjustment, color adjustment VGA border operation. It is for
setting the single channel and color adjustment. If it is multi-window, please use
the left key to select the single window.
2. The remark when click the left key, color adjustment, VGA border is as follow:
a.There is a sticker to show the volume on the volume adjustment interface. Move the
mouse to the corresponding position and click the left key. The right side of sticker will
show the volume ,click “x” to exit.
b. Color adjustment can refer to the volume adjustment interface operation.
When there are many options in the option frame, click left key to see down-pull menu.
Click left
key
To click the left key on the playback interface can make >> means forward, << means raw, >>I
means Slow play, I> means Pause frame play,> means Play, X means exit.
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Chapter 7 FAQ
If your problem is not in below, call our hotline and we will resolve any issues or problems you may have.
1. Question：Why DVR can’t work after starting it?
Answer：
Check the adaptor input
Check the on-off power line, does it well-connected?
Check the on-off power
Check the upgrade procedure whether it’s wrong
Check the main board of DVR whether it’s ok
2. Question：Why DVR will automatic reboot or stop after starting DVR several minutes?
Answer：
Instability or low input voltage
Bad track hard drive or the line of hard drive is bad
On-off power supply is not enough
The front-end video signal instability
High temperature, too much dust, too bad the DVR operating environment
The main board is not well-connected with other board
The hardware of DVR is fault
3. Question: Why there is no output of single channel, multi channel or all channel video?
Answer:
Please check the adaptor of camera whether it is well-connected
Please check the connect line for connecting video input and video output in the back board of
DVR
Please directly insert the video source into the display device, and check whether the video source
and display device aspect of the problem.
Check the brightness of the picture is 0, and bring it back to its original default setting
No video input signal or too weak
Display settings in the preview set to be closed
The hardware of DVR is fault
4. Question：Why the DVR can’t record after startup and the interface shows “H”?