User's Manual

GVR3550/GVR3552 User Manual Page 18 of 125
Figure 2 GVR3550 Back Panel
Table 5 GVR3552 Back Panel Buttons Explanation
Icon Buttons Explanation
①
Power Input. Input 12V DC
②
Reset Button. To reboot device or reset factory.
Ÿ Long press for more than 10 seconds: factory reset
Ÿ Press when power on: reset when the GVR is
abnormal
③
eSATA Interface. To connect eSATA device
④
USB Interface. To connect to USB devices like mouse,
keyboard and USB flash drive
⑤
VGA Video Output. To output analog video signal,
connecting to a monitor to view record
⑥
HDMI. HD audio/video output interface, transmit
uncompressed HD video and multichannel audio data to
display device with HDMI interface
⑦
Audio Input. Receiving analog audio signal from
microphone, pickups and other devices
⑧
Audio Output. Output analog audio signal to device like
speaker
⑨
Network Port. 10M/100M/1000M adaptive Ethernet
interface
⑩
Alarm Input Interfaces 1-16.
16 alarm input interfaces receiving binary signals from
external alarm sources like normally-closed alarm and
normally-open alarm.
11
Alarm Output Interfaces 1-2.
2 set of alarm output interfaces, output alarm signal to
external alarm device, power supply is required for external
alarm device