HOMCOM A91-223 Instruction Manual page 16

Heavy training mode:
Insert the safety pins into the hole A and B.
The backrest and seat are to be in level
position as shown in Figure 1
Biceps training mode 1:
Insert safety pins into the hole C and D.
The seat position is to be as shown in
Figure 2
Biceps training mode 2:
Insert safety pins into the hole E and F.
The seat position is to be as shown in
Figure 3
E
EN-8
A
B
Fig 1
C
D
Fig 2
F
Fig 3