MI DONG Electronics & Telecommunication Co. LTD. MD-8500P 사용자 설명서

33. Problem analysis before A/S services

Symptoms

Measures

The time of the black box not correct.

When there is no GPS module, it is required to select the black box

setting menu on the specific viewer in order to set the time through

the time setting menu.

Power not turned on

Check the power on/off switch.

Check whether the continuous power cable is connected correctly.

(Black: Ground/Red: B+/Yellow: ACC power)

No GPS information received

Check the connection between the black box and the GPS socket.

No buzzer sound heard

Check whether the buzzer sound is applied or not by selecting the

audio/video setting menu on the black box setting menu of the specific

viewer.

No audio recorded

Check whether the audio recording is applied or not by selecting the

audio/video setting menu on the black box setting menu of the specific

viewer.