Solution

The flavour text hints at Word Search. Each of the words in the grid are synonyms or clues to one of the words in that manual. Each set of four words encircle a letter.

TIMER	+	MODULE	+	READ	+	FOUR	=	C
TALK	+	BRAVO	+	CHART	+	MATH	=	R
YES	+	HELP	+	UNIQUE	+	JINX	=	A
SEVEN	+	SPELL	+	LISTEN	+	LIMA	=	C
BEEP	+	EXPERT	+	GOLF	+	TALK	=	K
SIX	+	SERIAL	+	TRUE	+	EDGE	=	B
WORK	+	TEST	+	LIST	+	SOLVE	=	O
ECHO	+	FALSE	+	GREEN	+	VICTOR	=	X

CRACKBOX