(1) A digital camera detection device must be used by an operator by doing the following operations in accordance with the manufacturer's instructions for the device:
(a) testing the laser speed measuring component of the device at the beginning of each continuous period of use by carrying out the following checks:
(i) an instrument confidence check;
(ii) a calibration verification check;
(iii) a scope alignment check;
(b) activating the device;
(c) operating the device;
(d) testing the laser speed measuring component of the device at the end of each continuous period of use by carrying out the checks mentioned in paragraph (a).
(2) However, after the operator of a digital camera detection device has carried out the operations mentioned in paragraphs (1) (a) and (b), the device may operate unattended.
(3) A laser speed measuring device must be used by an operator by doing the following operations in accordance with the manufacturer's instructions for the device:
(a) testing the device at the beginning of each continuous period of use by carrying out the following checks:
(i) an instrument confidence check;
(ii) a calibration verification check;
(iii) a scope alignment check;
(b) activating the device;
(c) operating the device;
(d) testing the device at the end of each continuous period of use by carrying out the checks mentioned in paragraph (a).
(4) A radar speed measuring device must be used as follows:
(a) at the beginning of each continuous period of use by an operator, the device must be tested by the operator against a motor vehicle's accurate speedometer and must be found to be accurate within a tolerance of 2 km/h;
(b) at the end of each continuous period of use by an operator and, if the period is longer than 9 hours, also after 9 hours, the device must be tested by the operator against the same speedometer and must be found to be accurate within a tolerance of 2 km/h;
(c) the device must also be used in accordance with the manufacturer's instructions.
(5) In this regulation—