the insertion direction of the cards).
If you feel smooth and flexible during installation, and hear a clear sound of "Da"
when pushing in the cards completely, it indicates that the cards are installed in the
correct direction; if there is obvious friction resistance during installation, it
indicates that the installation direction is wrong. Take out the cards in time to avoid
any damage to the cards and the card holder.
*Note:
(1) Do not touch the surface of the metal contact of the SIM card with hands when
taking and installing the card, for fear of contaminating the SIM card by dust
and sweat stain.
(2) Before installing SIM card, please check the surface of the metal contact of the
SIM card for any dirt (such as dust, fingerprints and water stains). If any, clean
the surface with a piece of non-woven fabric or rubber.
(3) In Micro SD card slot 1, Micro SD card shall be pushed in with the metal strip
side down; in Micro SD card slot 2, Micro SD card shall be pushed in with the
metal strip side up.
After installation of SIM card and Micro SD card, fasten the card slot panel.
4.2 Selection of DVR Installation Area
Requirements for installation area of AD Plus:
(1) The DVR must be installed in the middle of the front windshield. It is
generally installed in the rearview mirror area above the centerline of the front
windshield. A deviation less than 5 cm on the left and right sides is allowed for
the installation position if it is not feasible to install the device in the middle as
required (The deviation of the DVR relative to the centerline of the front
windshield shall be calculated with the centerline of the front camera lens).
(2) When conditions permit, the height of the DSC camera lens shall not exceed
the height of the driver's eyes, and the installation position shall be as low as
possible provided that the driver's view is not obstructed. The linear distance
from the position of the DSC camera lens to the driver's face shall not be more
than 116cm.
(3) The external camera lens of the DVR must be within the working range of the
left and right wipers (to ensure that the external camera lens screen is clean and
free from stains)
(4) The preferred vertical distance from the external camera lens of the DVR to the
ground is in the range of 130cm-240cm
(5) Avoid installing other electronic devices around the DVR as far as possible,
including ETC, intelligent rearview mirrors, electronic tags; otherwise, they
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