Philips ADR900 User Manual page 5

2. Please make necessary attempts to find a pasting position where
the portion of windscreen in front of device's lens can be cleaned
automatically by the vehicle windscreen wiper, and the status
indicator of device can be easily captured by the eyes of the driver.
Please do clean the pasting surface of glasses beforehand.
Attention: 1.Please execute the pasting of the bracket only
when the environment temperature is 18~38℃, or switch on
car air conditioner.
2.The device should be installed in a position where should not
block driver's view.
.
3 Mount the device after 24 hours. Attach the bracket to the
device. Slide it into the bracket holder until you hear a click.
4.
Loose the knob to adjust the device to proper position. Then
tighten the knob to make sure the device securely locked.
7