Troubleshooting guide
Table Of Contents
- Maintenance Overview
- DVR Status Check and Camera Alignment – 5 Minute Test
- Adjusting the Date and Time
- Setting the Time and Date Manually
- Setting the Time and Date using GPS
- Changing Fan Filters
- Checking the DVR condition & mounting
- Connecting a Laptop to DVR via Ethernet Cable
- Connecting the DVR to the Computer
- Updating the DVR Firmware
- Reformatting Hard Drives
- Removing the Hard Drive
- Replacing the Hard Drive
- Cleaning the Dome or Wedge Camera Window
- Cleaning the DVR front cover and cable cover
- Troubleshooting Overview

Seon Maintenance and Troubleshooting Guide R004 43
XELR-8 G Sensor
Set Button Mode Threshold Settings LED
Finding a suitable mounting
location
The XELR-8 must be installed with the vehicle parked on a level
surface. It can be installed facing up, down or either side, as long as
the forward arrow points towards the front of the bus.
Use a small level to assure the unit is sitting level and screw in place.
Wiring
With power off, connect the Signal/Power connector to the
Signal/Power socket on the side of the XELR-8
Connect the green and white wire to either the DVR Signal input or
the Smart Link signal or alarm harness wire.
Connect the red and the black wire to the DVR Power Output socket.
Set Button
Press and hold the Set button for 5 seconds until the LED flashes. The
unit is now calibrated.
Threshold Settings
Refer to the installation guide for details on adjusting the thresholds.
Seon recommends that the thresholds be set to .6 or higher to
reduce false alarms.
Mode Buttons
Set 1 to ON.
Set 2 to ON if using an alarm input with the Smart Link Module.
If connecting directly to a signal harness on a TL or DX DVR, then set
switches 2 and 3 to OFF.
Unit constantly tripping
The set button has not been pressed, unit is not calibrated.
Press and hold the "SET" button until the green LED flashes.
Not tripping Alarm input
Check that the signal input been assigned to an alarm channel on a
TL or DX DVR.
If using the Alarm inputs on a Smart Link, check that the Alarms
setting been turned on in the DVR programming.