Lenco IPD-4500 - Manual (Page 5)

C. When using the remote control, please make sure that the infrared transmission head of the remote
control is pointing at the remote control receiving window on the IPD-4500 system; the effective range of
the remote control is 6 M, and the effective angle is 60°. The shadowed area shown in the drawing
represents the effective control zone.
D. When not using the remote control, put it in the storage compartment to prevent loss. Exchange the
button battery when the battery power is not sufficient. If the remote control will not be used for a long
period, remove the battery from the remote control.
Remote Receipt Head