Chapter 3 - Routine Maintenance
Confidential and Proprietary Information of ZTE CORPORATION 73
Goniometer.
[
Test procedure
]
Here we will use the rotary goniometer with an air bleeder to check the
obliquity of the directional antenna, as shown in Figure 64. If other
instruments/meters are used on site, please refer to relevant instructions.
F
I G U R E
6 4
R
O T A R Y
G
O N I O M E T E R W I T H
A
I R
B
L E E D E R
0
10
20
30
40
50
60
70
80
90
80
70
60
50
50
60
70
80
90
8
0
70
60
50
40
30
20
10
4
3
2
1
0
5
7
6
8
8
7
6
5
4
3
2
1
0
1
2
3
4
5
6
7
8
8
7
6
5
4
3
2
1
2
15
12
1
15
2
12
1
DIAL
1.
Press goniometer against object measured, as shown in Figure 65.
F
I G U R E
6 5
M
E A S U R I N G
O
B L I Q U I T Y
1 2 3
0
1
2
3
80
80
7
8
60
4
6
5
70
50
8
60
50
70
56
7
23
4
12 1
5
60
80
90
4
70
8
7
5 6
1
40
50
30
10
20
20
1
0
3
0
2
0
15
5
60
80
90
70
10
1
4
32
8
40
50
12
1
7
6
D
IA
L
2
2.
Rotate the dial until the bubble in the air bleeder is located in the
middle of two indication rings.
3.
Read the scale on the dial.
[
Normal result
]
