While button 3 is held down, a menu of the following commands is displayed.
Displays the previous page of text.
Displays the next page of text.
Presents a dialogue box in which you type the number of the page you'd like next. A signed number is treated as an offset to the desired page. The $ symbol requests the last page.
Presents a dialogue box in which you type a regular expression: /reg_exp causes the cursor to point at the next match of the regular expression, and ?reg_exp points the cursor at the previous match. Both searches wrap-around.
On sliding to the right, presents a menu listing the known troff output file names, and an option to select a new file. The menu appears with the name of the file currently being viewed selected. The first page of a chosen file is displayed.
On sliding to the right, presents a switch for selecting normal or enlarged text.
On sliding to the right, presents a menu offering this page and this file and maybe all files. A dialogue box then appears in which you edit a shell command to operate on the selected text. The command presented initially will print out the selected text, but you might want to edit it to request some particular printer or feature of a printer, for example double-sided output.
Exits the program.