How to operate New LESU AT1050 1/14 Hydraulic RC Telescopic Arm Fork Loader, see st8 radio settings

here is the link from my shop website, https://oliverhobby.com/products/ls-r... Specification:
Manufacturer: LESU
Item Condition: New, Assembled and Painted.
Scale: 1/14
ID: LS-RD-A0016-PNP-YGY

The Package Includes:
1/14 RC Telescopic Arm Fork Loader Model
ESC
Motor
Servo
Hydraulic System
Light System
Sound System
FlySky ST8 Remote Controller and Receiver

The Package Does Not Include:
Battery
Charger
Hydraulic Oil

If you have any questions or are not sure whether it is the correct item you want, pls feel free to contact me before purchasing. please add my Facebook: Oliver Lan , https://www.facebook.com/profile.php?... ,or WhatsApp +8619376345156