Trailer Vision DR-400N, Instruction Manual

11

Abnormal Operation Check

Event Recording

FIRMWARE UPDATE

1. If 

a

 camera 

is not

 recording, 

the 

LED 

for that

 camera will be off.

In  this  case,  the  c

amera

  which  has 

a 

fault  won’t be recorded.

2. If 

the Memory tray is removed or fails

, 

all 

CAM 

(

1

-

4

)

 LEDs 

flash

 at an interval of 1 second and 

the unit '

beep

s'

 until power 

is turned

 off.

1. CAM1/CAM2/CAM3/CAM4 

LED

  fl

ash

  at 

an 

interval  of  1

 sec

during  firmware  updat

e

  and 

a 

beep  will  be  sound  once 

the 

firmware updat

e

ha

s completed. 

*

P

ower should not be turned off during updat

e

.

3. If there are no i

nputs

  at  the  all  channels  or  all 

t h e

cameras 

are

 turned off, 

a

ll LEDs will be off.

1. Event Recording : 

the unit

 record

s

 for 10 seconds before

and 20 seconds after an event (accident) 

occur

s (30 seconds in 

total)

.

5 min.

4 min. 30 sec.

For example, if an event happens 9 minute

s

 and 40 seconds after starting recording:

10 sec.

20 sec.

5 min.

5  min.

5 min.

Event

Save as a Ordinary

recording file

(5min.)

The portion other than images before 10 seconds from 9 minute and 40 seconds
after an event happens will be saved as a file of normal recording (4 minute and 30 seconds).

Event recording

Ordinary recording

9min. and 40 sec.

Recording mode & time

Continued...

* Odinary Recording : 

Independent of events, 

the unit 

continues recording at intervals of 5 min.

* Event/Motion Recording :  

The unit

 record

s

 for 10 seconds before and 20 seconds after

an event (accident) happens. (30 seconds in total)

5 min.

5 min.

5 min.

5 min.

5 min.

5 min.

Normal recording section

Event recording section

Event

10 sec. before

an event

20 sec. afer

an event

Event recording starts with beep sound.