Qian QOI-A55TC Manual De Usuario página 10

Use the remote control within the valid range shown below.
Operating angle
θ = 0° (Horizontal and vertical)
θ = 15° (Horizontal and vertical) ≥10m
θ = 30° (Horizontal only)
Note:
When the sunlight or other strong light shines on the remote
sensor of the equipment, or there is an obstacle between the
remote control and the remote sensor, the remote control may not
work properly.
INSTRUCTIONS FOR SYSTEM OPERATION
1.1 Android Interface Description
Android Main Menu Interface is divided into five categories:
Setting, File Explorer, Homepage, Video player and Browser.
10
RC operating distance
≥10m
≥10m