Dahua NVR4204-P-4KS2 User Manual page 230

Please refer to the following sheet for more information.
SN Name
Display
1
window
Search
2
type
3 Calendar
Playback
4 mode
and

Here is to display the searched picture or file.

Support 1/4/9/16-window playback. (It depends on the product channel
amount).

Here you can select to search the picture or the recorded file.

You can select to play from the read-write HDD, from peripheral device or from
redundancy HDD.

Before you select to play from the peripheral device, please connect the
corresponding peripheral device. You can view all record files of the root directory
of the peripheral device. Click the Browse button; you can select the file you want to
play.
Important

Redundancy HDD does not support picture backup function, but it
supports picture playback function. You can select to play from redundancy
HDD if there are pictures on the redundancy HDD.

The blue highlighted date means there is picture or file. Otherwise, there is no
picture or file.

In any play mode, click the date you want to see, you can see the
corresponding record file trace in the time bar.

Playback mode：1/4/9/16. (It may vary due to different series.)

In 1-window playback mode: you can select 1-X channels (X depends on the
product channel amount).
Figure 4-79
Function
215