User's Manual

Collision Avoidance System: CAS-CAM/RF® Operating Instructions
Document Number: CAS-CAM_RF Operating Instructions (with FCC
precautions)_18June2010.doc
Page 98 of 126
Issue: E
Symptom Possible Cause Corrective Action
HEAVY VEHICLE (HV)
Unit
Pulsed Audible Alarm Normal operation –
indicates that a new object
has moved into the
programmed Detection
Zone (Front / Rear).
Object type text and
location (Front or Rear)
flashes on Display Unit
until the user presses the
‘CONFIRM’ key to verify
that the new object has
been visually confirmed
using the cameras and
cancels the alarm.
Normal operation
Tagged object has moved
out of Detection Zone and
re-entered (e.g. LV
approaching from rear
moving in & out HV
Detection Zone)
Normal Operation
New tagged object has
entered the HV Detection
Zone(s).
Normal Operation
Audible alarm re-triggers
after pressing ‘CONFIRM’
key
HV has changed gear and
all previously confirmed
objects are now
‘unconfirmed’.
Normal Operation
HV Alarms when in
Maintenance Workshop
Detected other objects
within programmed
Detection Zone(s) – Front
& Rear.
Press ‘CONFIRM’ key to cancel
alarm. Will re-alarm on new
detections or HV gear changes.
Note: the HV is always active
for RF detections independent
of gearing status. To disable HV
alarm for Maintenance work
refer to section 12.10 ‘Heavy
Vehicle Maintenance Mode’