User Manual
DS-73xxHUI-K4, DS-73xxHQI-K4, DS-90xxHUI-K8 DVR User Manual 
UM DS-73xxHUI-K4 DS-73xxHQI-K4 DS-90xxHUI-K8 092017NA  15 
NOTE: Figures in this manual are for illustration only; your screens may differ. 
1  Introduction 
1.1  Front Panel 
Figure 1, DS-73xxHUI-K4, DS-73xxHQI-K4 Front Panel 
Table 1-1  DS-73xxHUI-K4, DS-73xxHQI-K4 Front Panel Description 
No.
Name
Function Description
1 
POWER
Turns
green when DVR is powered up
READY
Turns 
green, indicating that 
the DVR is functioning properly
STATUS 
T
urns 
green
when devic
e is controlled by an IR remote
T
urns red when controlled by a keyboard a
nd purple when IR remote and 
ke
yboard is used at the same time
ALARM
Turns
red 
when a sensor alarm is detected
HDD
Flickers 
red when data is be
ing read from or written to HDD
T
x
/R
x
Flickers
green when network connection is functio
ning properly
2
DVD
-
R/W
Slot for DVD
-
R/W
3 
Composite 
Keys 
SHIFT 
Switches between the numeric
or 
letter input and 
functions of the composite 
keys. (Input letter or numbers when the light is out; Realize functions when the 
light is red.)
1/MENU 
Enter
s
numeral “1”
Access
es
the main menu interface
2/ABC/F1 
Enter
s
numeral “2”
Enter
s
letters “ABC”
The F1 button when used in a list field will select all items in the list
T
urn
s
on/off
PTZ light 
i
n PTZ Control mode, 
and use 
it 
to 
zoom out the image
S
witch
es
betw
een main and spot video output
i
n live view or playback mode
.
3/DEF/F2 
Enter
s
numeral “3”
Enter
s
letters “DEF”
Uses the 
F2 button is used to change the tab pages
Z
ooms in the image
i
n PTZ control mode
4/GHI/ESC 
Enter
s
numeral “4”
Ent
er
s
letters “GHI”
Exit
s
and back to the previous menu
5/JKL/EDIT 
Enter
s
numeral “5”
Enter
s
letters “JKL”
Delete
s
characters before cursor
Check the checkb
ox and select the ON/OFF switch
Start
s
/stop
s
record clipping in playback
6/MNO/PLAY 
Enter
s
numeral “6”
Enter
s
letters “MNO”
A
ccess
es
to playback interface
i
n Playback mode
7/PQRS/REC 
Enter
s
numeral “7”
Enter
s
letters “PQRS”
A
ccess
es
to manual record interface
M
anually enable
s
/disable
s
record
8/TUV/PTZ 
Enter
s
numeral “8”
Enter
s
letters “TUV”
Access
es
PTZ control interface
9/WXYZ/PREV 
Enter
s
numeral “9”
Enter
s
letters “WXYZ”
Multi
-
channel
display in 
live view
0/A
Enter
s
numeral 
“0”










