IVT GLM-16 Instruction Manual page 9

[F1]
15
7
[F3]
9
16
7
9
9
[F2]
(GLM-16)
6
(GLM-18, GLM-18/3F, GLMS-18, GLMS-21/3F)
8
1
11
12
[F4]
18 6
19 18
2
3
4
2
19 18 6
6