F3 COMPACT Operations Manual
STEP 1
SWITCH ON
Threshold
Noisy/Uneven
NO
Threshold
Louder than
NO
STEP 2
GROUND BALANCE
STEP 3
TEST PIECE
Figure 19: Standard and optional procedures
Optional
Procedure
YES
YES
Normal
60cm
60cm
(24 in)
(24 in)
NOISE
CANCEL
AUDIO
RESET
Beep
Beep
150mm
(6 in)
28
12 seconds
12 seconds