10
System Overview.
Front View.
Figure 1: 508-HD Front View.
1.
Hard Drive (COMRAD™) retention screws.
2.
SD Card Cover. Ensure SD card is in correct orientation
for insertion.
3.
USB Cover. An external USB stick can be used for
Saving/Uploading configurations; Updating the
system firmware and Downloading of recorded
video/event files.
4.
LED Status Indicators.
HDD
When illuminated indicates that a HDD is
present.
SD
Displays if a SD card is present in the
system.
GPS
Illuminated when GPS signal is present
NET
Displays Network activity
HTR
When illuminated HDD Heater is active.
PWR
Illuminated when power present
REC
Illuminated when recording.
VLOSS Flashes if Video Loss has occurred.
ALM
Signifies the 504HD has received an
Alarm input.
ERR
A Physical Hardware error.
5.
IR Receiver. For receiving signals from the Remote
Control.
7.
AV Out. Connects to External Display
6.
Lock. Allows access to the HDD and can start & stop
recording of video.
8.
HDD (COMRAD™)
