INSTRUCTION
I. This pipe inpection system manual can be used for the below models:
1) All 3188 series models ( 7" with / without DVR / SD card recorder, CCD / CMOS color camera.)
2) Model NO.4188 (10" pipe inspection system with DVR/SD card recorder and camera
head with 512hz built-in transmitter; yellow case)
II. Difference between old versions and new versions
：
*The improvent of the new versions vs old versions
- Added manual buttons to operate DVR recording on the panel;
- Added micro SD recording feature
- Added micro phone button for voice recording
OLD VERSIONS
NEW VERSIONS