Regal 3300 Owner's Manual page 104

CHAPTER 3
3. Do not try to shift into forward or reverse gear at high rpm's as
personal injury, drive system or property damage may result.
4. Remember to squeeze the shift interlock button to engage the remote
control into forward or reverse.
5. Only use idle throttle positions when docking or maneuvering in
tight quarters.
6. Never shift the controls with the engine not running.
Control, linkage and or stern drive damage may occur.
For more information on controls read your engine operator's manual.
Electronic Propulsion Controls
Your boat may be equipped with optional electronic controls for
the propulsion units. These controls are manufacturer-specific,
communicate digitally over an NMEA 2K network and replace
mechanical ignition, throttle and shift controls. Refer to the propulsion
manufacturer owner's manual for more information.
https://www.boat-manuals.com/
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