While playing a game, press P + [Tab]. Then, press one of the following keys while the recon camera is active to activate the corresponding result:
Result
Key
Increase speed [Plus]
Decrease speed [Minus]
Increase altitude [Page Up]
Decrease altitude [Page Down]
Rotate right [F3]
Rotate left [F4]
Up and down rotation Hold [Shift]
Fine tuning Hold [Ctrl]
Return to normal mode ~