Initiate Diagnostic Mode - Lytx SF Series Installation Instructions Manual

3. Camera Height: Distance from the ground to the center of the forward-facing lens.
a. Measure the distance from the ground outside to the floor of the cab and record
the number.
b. Measure from the floor of the cab to the forward-facing lens. If needed, you can
measure from the floor to the dash, then from the dash to the camera.
c. Add the measurements together.

Initiate Diagnostic Mode

1. Press and hold either of the blue buttons on the device until the 3 center LED status
lights turn blue (hold for about 30 seconds). After they light up, let go of the button.
2. Immediately press and hold the blue button again for up to 45 more seconds. First, the
device's center LED light turns green. Then all 7 LED lights turn blue. When they turn
blue, let go of the button.
3. Verify the LED status light sequence:
a. First, all lights turn off.
b. The center LED light turns green.
c. All LED lights turn red.
d. (For power-only installations) The first 3 LED lights turn green individually. These
lights verify the proper function of various device components.
e. (For installations with J1939 vehicle network connections) The first 4 LED lights
turn green individually. These lights verify the proper function of various device
components.
©2019 Lytx, Inc. - Confidential & Proprietary.
Page 33 of 51
(North America Edition)