![background image](http://html.mh-extra.com/html/ok/osf-443-w/osf-443-w_user-manual_727595002.webp)
1
2
1
2
4
H
M
TIMER
ON/OFF
SPEED
L
1
2
4
H
M
TIMER
ON/OFF
SPEED
L
3
+
+
+
1
2
4
H
M
TIMER
ON/OFF
SPEED
L
1
2
4
H
M
TIMER
ON/OFF
SPEED
L
4
1
2
4
H
M
TIMER
ON/OFF
SPEED
L
5
2
1
1
2
4
H
M
TIMER
ON/OFF
SPEED
L
6
1
2
4
H
M
TIMER
ON/OFF
SPEED
L
7
1
1
2
4
H
M
TIMER
ON/OFF
SPEED
L
2
8
C
A
D
B
H
J
I
K
L
4
3
1
2
F
E
G
1
2
4
H
M
TIMER
ON/OFF
SPEED
L
M
N
1
2
4
H
M
TIMER
ON/OFF
SPEED
L
O
3
1
2
IM_OSF443-W_151103_V03_HR.indb 2
3/11/15 9:58 AM