You can use your keyboard to navigate the Gantt chart of the Project lines - planning form:
Action  | 
Press  | 
Enable the Edit mode  | 
F2  | 
Go to the previous line  | 
á  | 
Go to the first line on the form  | 
CTRL+á  | 
or:  | 
CTRL+PAGE UP  | 
Go to the next line  | 
â  | 
Go to the last line on the form  | 
CTRL+â  | 
or:  | 
CTRL+PAGE DOWN  | 
Go to the next 'page' with lines  | 
PAGE UP  | 
Go to the next 'page with lines  | 
PAGE DOWN  | 
Go to the first line  | 
HOME  | 
Go to the last line  | 
END  | 
Jump forward to the next function/component on the form  | 
TAB  | 
Jump backward to the previous function/component on the form  | 
SHIFT+TAB  |