Technical Manual
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FRONT PANEL
REAR PANEL
QT5516 & QT5616
ITEM NAME FUNCTION
1 RECORD Manually begins recording
2 LED 
INDICATORS
Show status of power, HDD, record, etc.
3 DIRECTION/
MULTISCREEN
1. Navigate through on-screen options
2. Change screen display mode between 1, 4, and 9 channels
4 IR RECEIVER Receives signals from remote control
5 ENTER Confirm selection
6 PLAY/PAUSE Launches PLAYBACK window.
Starts or pauses video.
7 REWIND Reverses video direction
8 FAST FORWARD Changes playback speed
9 STOP/ESC Quit PLAYBACK mode/Exit the current window or status
Switch video output mode. (Press and hold 10 seconds)
10  -/BACKUP Decrease the value in SETUP/Enter backup mode in LIVE 
VIEW
11 +/MENU Increase the value in SETUP/Enter menu in LIVE VIEW
12 SEARCH Enters Search Mode
13 USB USB port to connect USB flash or external hard drives to 
update firmware or back up recordings 
ITEM NAME FUNCTION
1 POWER 
SWITCH
Use to turn on the DVR as well as to turn off after powering 
down from within the GUI
2 AUDIO IN 4-Channel audio input for cameras equipped with audio or 
microphones
3 VIDEO OUT Video output for connecting to TV (BNC) or monitor
4 VIDEO IN Video input from up to 16 cameras
5 VGA PORT Video output for connecting to monitor
6 DC +12V Power input
7 ALARM 
OUTPUT
Output for alarm
8 ALARM IN Connect to up to 16 external sensors
9 AUDIO OUT Connection for audio output – connect to an amplified speaker
10 SPOT Connect to another monitor as an auxiliary output channel. This 
monitor will only display video and will have no menu access. 
11 PTZ PTZ camera connection ports
12 HDMI HDMI video output
13 USB PORT Connect USB mouse
14 NET Network (ethernet) port
1 2 3
4 5
7 8 10
6 9 12 1311
1 3 52 4
6 7 9 118 10 1312 14










