Mainland Broadcasting Technical info

To lock the PLL board first select the dip switches from one of the codes below. Secondly, adjust VC1 slowly until the RED LED starts to dim. Continue adjusting VC1 even more slowly, the RED LED will dim further or flicker, then the GREEN/BLUE LED will illuminate. The GREEN/BLUE LED indicates a locked condition. Experiment with the adjustment of VC1 to find centre lock.

DIP SWITCH (S2-SW1 and S1-SW2)

MHz 1 2 3 4 5 6 1 2 3 4 5 6
87.5 ON ON OFF OFF ON OFF OFF ON OFF ON OFF ON
87.6 ON ON OFF OFF ON OFF OFF ON OFF ON OFF OFF
87.7 ON ON OFF OFF ON OFF OFF ON OFF OFF ON ON
87.8 ON ON OFF OFF ON OFF OFF ON OFF OFF ON OFF
87.9 ON ON OFF OFF ON OFF OFF ON OFF OFF OFF ON
88 ON ON OFF OFF ON OFF OFF ON OFF OFF OFF OFF
88.1 ON ON OFF OFF ON OFF OFF OFF ON ON ON ON
88.2 ON ON OFF OFF ON OFF OFF OFF ON ON ON OFF
88.3 ON ON OFF OFF ON OFF OFF OFF ON ON OFF ON
88.4 ON ON OFF OFF ON OFF OFF OFF ON ON OFF OFF
88.5 ON ON OFF OFF ON OFF OFF OFF ON OFF ON ON
88.6 ON ON OFF OFF ON OFF OFF OFF ON OFF ON OFF
88.7 ON ON OFF OFF ON OFF OFF OFF ON OFF OFF ON
88.8 ON ON OFF OFF ON OFF OFF OFF ON OFF OFF OFF
88.9 ON ON OFF OFF ON OFF OFF OFF OFF ON ON ON
89 ON ON OFF OFF ON OFF OFF OFF OFF ON ON OFF
89.1 ON ON OFF OFF ON OFF OFF OFF OFF ON OFF ON
89.2 ON ON OFF OFF ON OFF OFF OFF OFF ON OFF OFF
89.3 ON ON OFF OFF ON OFF OFF OFF OFF OFF ON ON
89.4 ON ON OFF OFF ON OFF OFF OFF OFF OFF ON OFF
89.5 ON ON OFF OFF ON OFF OFF OFF OFF OFF OFF ON
89.6 ON ON OFF OFF ON OFF OFF OFF OFF OFF OFF OFF
89.7 ON ON OFF OFF OFF ON ON ON ON ON ON ON
89.8 ON ON OFF OFF OFF ON ON ON ON ON ON OFF
89.9 ON ON OFF OFF OFF ON ON ON ON ON OFF ON
90 ON ON OFF OFF OFF ON ON ON ON ON OFF OFF
90.1 ON ON OFF OFF OFF ON ON ON ON OFF ON ON
90.2 ON ON OFF OFF OFF ON ON ON ON OFF ON OFF
90.3 ON ON OFF OFF OFF ON ON ON ON OFF OFF ON
90.4 ON ON OFF OFF OFF ON ON ON ON OFF OFF OFF
90.5 ON ON OFF OFF OFF ON ON ON OFF ON ON ON
90.6 ON ON OFF OFF OFF ON ON ON OFF ON ON OFF
90.7 ON ON OFF OFF OFF ON ON ON OFF ON OFF ON
90.8 ON ON OFF OFF OFF ON ON ON OFF ON OFF OFF
90.9 ON ON OFF OFF OFF ON ON ON OFF OFF ON ON
91 ON ON OFF OFF OFF ON ON ON OFF OFF ON OFF
91.1 ON ON OFF OFF OFF ON ON ON OFF OFF OFF ON
91.2 ON ON OFF OFF OFF ON ON ON OFF OFF OFF OFF
91.3 ON ON OFF OFF OFF ON ON OFF ON ON ON ON
91.4 ON ON OFF OFF OFF ON ON OFF ON ON ON OFF
91.5 ON ON OFF OFF OFF ON ON OFF ON ON OFF ON
91.6 ON ON OFF OFF OFF ON ON OFF ON ON OFF OFF
91.7 ON ON OFF OFF OFF ON ON OFF ON OFF ON ON
91.8 ON ON OFF OFF OFF ON ON OFF ON OFF ON OFF
91.9 ON ON OFF OFF OFF ON ON OFF ON OFF OFF ON
92 ON ON OFF OFF OFF ON ON OFF ON OFF OFF OFF
92.1 ON ON OFF OFF OFF ON ON OFF OFF ON ON ON
92.2 ON ON OFF OFF OFF ON ON OFF OFF ON ON OFF
92.3 ON ON OFF OFF OFF ON ON OFF OFF ON OFF ON
92.4 ON ON OFF OFF OFF ON ON OFF OFF ON OFF OFF
92.5 ON ON OFF OFF OFF ON ON OFF OFF OFF ON ON
92.6 ON ON OFF OFF OFF ON ON OFF OFF OFF ON OFF
92.7 ON ON OFF OFF OFF ON ON OFF OFF OFF OFF ON
92.8 ON ON OFF OFF OFF ON ON OFF OFF OFF OFF OFF
92.9 ON ON OFF OFF OFF ON OFF ON ON ON ON ON
93 ON ON OFF OFF OFF ON OFF ON ON ON ON OFF
93.1 ON ON OFF OFF OFF ON OFF ON ON ON OFF ON
93.2 ON ON OFF OFF OFF ON OFF ON ON ON OFF OFF
93.3 ON ON OFF OFF OFF ON OFF ON ON OFF ON ON
93.4 ON ON OFF OFF OFF ON OFF ON ON OFF ON OFF
93.5 ON ON OFF OFF OFF ON OFF ON ON OFF OFF ON
93.6 ON ON OFF OFF OFF ON OFF ON ON OFF OFF OFF
93.7 ON ON OFF OFF OFF ON OFF ON OFF ON ON ON
93.8 ON ON OFF OFF OFF ON OFF ON OFF ON ON OFF
93.9 ON ON OFF OFF OFF ON OFF ON OFF ON OFF ON
94 ON ON OFF OFF OFF ON OFF ON OFF ON OFF OFF
94.1 ON ON OFF OFF OFF ON OFF ON OFF OFF ON ON
94.2 ON ON OFF OFF OFF ON OFF ON OFF OFF ON OFF
94.3 ON ON OFF OFF OFF ON OFF ON OFF OFF OFF ON
94.4 ON ON OFF OFF OFF ON OFF ON OFF OFF OFF OFF
94.5 ON ON OFF OFF OFF ON OFF OFF ON ON ON ON
94.6 ON ON OFF OFF OFF ON OFF OFF ON ON ON OFF
94.7 ON ON OFF OFF OFF ON OFF OFF ON ON OFF ON
94.8 ON ON OFF OFF OFF ON OFF OFF ON ON OFF OFF
94.9 ON ON OFF OFF OFF ON OFF OFF ON OFF ON ON
95 ON ON OFF OFF OFF ON OFF OFF ON OFF ON OFF
95.1 ON ON OFF OFF OFF ON OFF OFF ON OFF OFF ON
95.2 ON ON OFF OFF OFF ON OFF OFF ON OFF OFF OFF
95.3 ON ON OFF OFF OFF ON OFF OFF OFF ON ON ON
95.4 ON ON OFF OFF OFF ON OFF OFF OFF ON ON OFF
95.5 ON ON OFF OFF OFF ON OFF OFF OFF ON OFF ON
95.6 ON ON OFF OFF OFF ON OFF OFF OFF ON OFF OFF
95.7 ON ON OFF OFF OFF ON OFF OFF OFF OFF ON ON
95.8 ON ON OFF OFF OFF ON OFF OFF OFF OFF ON OFF
95.9 ON ON OFF OFF OFF ON OFF OFF OFF OFF OFF ON
96 ON ON OFF OFF OFF ON OFF OFF OFF OFF OFF OFF
96.1 ON ON OFF OFF OFF OFF ON ON ON ON ON ON
96.2 ON ON OFF OFF OFF OFF ON ON ON ON ON OFF
96.3 ON ON OFF OFF OFF OFF ON ON ON ON OFF ON
96.4 ON ON OFF OFF OFF OFF ON ON ON ON OFF OFF
96.5 ON ON OFF OFF OFF OFF ON ON ON OFF ON ON
96.6 ON ON OFF OFF OFF OFF ON ON ON OFF ON OFF
96.7 ON ON OFF OFF OFF OFF ON ON ON OFF OFF ON
96.8 ON ON OFF OFF OFF OFF ON ON ON OFF OFF OFF
96.9 ON ON OFF OFF OFF OFF ON ON OFF ON ON ON
97 ON ON OFF OFF OFF OFF ON ON OFF ON ON OFF
97.1 ON ON OFF OFF OFF OFF ON ON OFF ON OFF ON
97.2 ON ON OFF OFF OFF OFF ON ON OFF ON OFF OFF
97.3 ON ON OFF OFF OFF OFF ON ON OFF OFF ON ON
97.4 ON ON OFF OFF OFF OFF ON ON OFF OFF ON OFF
97.5 ON ON OFF OFF OFF OFF ON ON OFF OFF OFF ON
97.6 ON ON OFF OFF OFF OFF ON ON OFF OFF OFF OFF
97.7 ON ON OFF OFF OFF OFF ON OFF ON ON ON ON
97.8 ON ON OFF OFF OFF OFF ON OFF ON ON ON OFF
97.9 ON ON OFF OFF OFF OFF ON OFF ON ON OFF ON
98 ON ON OFF OFF OFF OFF ON OFF ON ON OFF OFF
98.1 ON ON OFF OFF OFF OFF ON OFF ON OFF ON ON
98.2 ON ON OFF OFF OFF OFF ON OFF ON OFF ON OFF
98.3 ON ON OFF OFF OFF OFF ON OFF ON OFF OFF ON
98.4 ON ON OFF OFF OFF OFF ON OFF ON OFF OFF OFF
98.5 ON ON OFF OFF OFF OFF ON OFF OFF ON ON ON
98.6 ON ON OFF OFF OFF OFF ON OFF OFF ON ON OFF
98.7 ON ON OFF OFF OFF OFF ON OFF OFF ON OFF ON
98.8 ON ON OFF OFF OFF OFF ON OFF OFF ON OFF OFF
98.9 ON ON OFF OFF OFF OFF ON OFF OFF OFF ON ON
99 ON ON OFF OFF OFF OFF ON OFF OFF OFF ON OFF
99.1 ON ON OFF OFF OFF OFF ON OFF OFF OFF OFF ON
99.2 ON ON OFF OFF OFF OFF ON OFF OFF OFF OFF OFF
99.3 ON ON OFF OFF OFF OFF OFF ON ON ON ON ON
99.4 ON ON OFF OFF OFF OFF OFF ON ON ON ON OFF
99.5 ON ON OFF OFF OFF OFF OFF ON ON ON OFF ON
99.6 ON ON OFF OFF OFF OFF OFF ON ON ON OFF OFF
99.7 ON ON OFF OFF OFF OFF OFF ON ON OFF ON ON
99.8 ON ON OFF OFF OFF OFF OFF ON ON OFF ON OFF
99.9 ON ON OFF OFF OFF OFF OFF ON ON OFF OFF ON
100 ON ON OFF OFF OFF OFF OFF ON ON OFF OFF OFF
100.1 ON ON OFF OFF OFF OFF OFF ON OFF ON ON ON
100.2 ON ON OFF OFF OFF OFF OFF ON OFF ON ON OFF
100.3 ON ON OFF OFF OFF OFF OFF ON OFF ON OFF ON
100.4 ON ON OFF OFF OFF OFF OFF ON OFF ON OFF OFF
100.5 ON ON OFF OFF OFF OFF OFF ON OFF OFF ON ON
100.6 ON ON OFF OFF OFF OFF OFF ON OFF OFF ON OFF
100.7 ON ON OFF OFF OFF OFF OFF ON OFF OFF OFF ON
100.8 ON ON OFF OFF OFF OFF OFF ON OFF OFF OFF OFF
100.9 ON ON OFF OFF OFF OFF OFF OFF ON ON ON ON
101 ON ON OFF OFF OFF OFF OFF OFF ON ON ON OFF
101.1 ON ON OFF OFF OFF OFF OFF OFF ON ON OFF ON
101.2 ON ON OFF OFF OFF OFF OFF OFF ON ON OFF OFF
101.3 ON ON OFF OFF OFF OFF OFF OFF ON OFF ON ON
101.4 ON ON OFF OFF OFF OFF OFF OFF ON OFF ON OFF
101.5 ON ON OFF OFF OFF OFF OFF OFF ON OFF OFF ON
101.6 ON ON OFF OFF OFF OFF OFF OFF ON OFF OFF OFF
101.7 ON ON OFF OFF OFF OFF OFF OFF OFF ON ON ON
101.8 ON ON OFF OFF OFF OFF OFF OFF OFF ON ON OFF
101.9 ON ON OFF OFF OFF OFF OFF OFF OFF ON OFF ON
102 ON ON OFF OFF OFF OFF OFF OFF OFF ON OFF OFF
102.1 ON ON OFF OFF OFF OFF OFF OFF OFF OFF ON ON
102.2 ON ON OFF OFF OFF OFF OFF OFF OFF OFF ON OFF
102.3 ON ON OFF OFF OFF OFF OFF OFF OFF OFF OFF ON
102.4 ON ON OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF
102.5 ON OFF ON ON ON ON ON ON ON ON ON ON
102.6 ON OFF ON ON ON ON ON ON ON ON ON OFF
102.7 ON OFF ON ON ON ON ON ON ON ON OFF ON
102.8 ON OFF ON ON ON ON ON ON ON ON OFF OFF
102.9 ON OFF ON ON ON ON ON ON ON OFF ON ON
103 ON OFF ON ON ON ON ON ON ON OFF ON OFF
103.1 ON OFF ON ON ON ON ON ON ON OFF OFF ON
103.2 ON OFF ON ON ON ON ON ON ON OFF OFF OFF
103.3 ON OFF ON ON ON ON ON ON OFF ON ON ON
103.4 ON OFF ON ON ON ON ON ON OFF ON ON OFF
103.5 ON OFF ON ON ON ON ON ON OFF ON OFF ON
103.6 ON OFF ON ON ON ON ON ON OFF ON OFF OFF
103.7 ON OFF ON ON ON ON ON ON OFF OFF ON ON
103.8 ON OFF ON ON ON ON ON ON OFF OFF ON OFF
103.9 ON OFF ON ON ON ON ON ON OFF OFF OFF ON
104 ON OFF ON ON ON ON ON ON OFF OFF OFF OFF
104.1 ON OFF ON ON ON ON ON OFF ON ON ON ON
104.2 ON OFF ON ON ON ON ON OFF ON ON ON OFF
104.3 ON OFF ON ON ON ON ON OFF ON ON OFF ON
104.4 ON OFF ON ON ON ON ON OFF ON ON OFF OFF
104.5 ON OFF ON ON ON ON ON OFF ON OFF ON ON
104.6 ON OFF ON ON ON ON ON OFF ON OFF ON OFF
104.7 ON OFF ON ON ON ON ON OFF ON OFF OFF ON
104.8 ON OFF ON ON ON ON ON OFF ON OFF OFF OFF
104.9 ON OFF ON ON ON ON ON OFF OFF ON ON ON
105 ON OFF ON ON ON ON ON OFF OFF ON ON OFF
105.1 ON OFF ON ON ON ON ON OFF OFF ON OFF ON
105.2 ON OFF ON ON ON ON ON OFF OFF ON OFF OFF
105.3 ON OFF ON ON ON ON ON OFF OFF OFF ON ON
105.4 ON OFF ON ON ON ON ON OFF OFF OFF ON OFF
105.5 ON OFF ON ON ON ON ON OFF OFF OFF OFF ON
105.6 ON OFF ON ON ON ON ON OFF OFF OFF OFF OFF
105.7 ON OFF ON ON ON ON OFF ON ON ON ON ON
105.8 ON OFF ON ON ON ON OFF ON ON ON ON OFF
105.9 ON OFF ON ON ON ON OFF ON ON ON OFF ON
106 ON OFF ON ON ON ON OFF ON ON ON OFF OFF
106.1 ON OFF ON ON ON ON OFF ON ON OFF ON ON
106.2 ON OFF ON ON ON ON OFF ON ON OFF ON OFF
106.3 ON OFF ON ON ON ON OFF ON ON OFF OFF ON
106.4 ON OFF ON ON ON ON OFF ON ON OFF OFF OFF
106.5 ON OFF ON ON ON ON OFF ON OFF ON ON ON
106.6 ON OFF ON ON ON ON OFF ON OFF ON ON OFF
106.7 ON OFF ON ON ON ON OFF ON OFF ON OFF ON
106.8 ON OFF ON ON ON ON OFF ON OFF ON OFF OFF
106.9 ON OFF ON ON ON ON OFF ON OFF OFF ON ON
107 ON OFF ON ON ON ON OFF ON OFF OFF ON OFF
107.1 ON OFF ON ON ON ON OFF ON OFF OFF OFF ON
107.2 ON OFF ON ON ON ON OFF ON OFF OFF OFF OFF
107.3 ON OFF ON ON ON ON OFF OFF ON ON ON ON
107.4 ON OFF ON ON ON ON OFF OFF ON ON ON OFF
107.5 ON OFF ON ON ON ON OFF OFF ON ON OFF ON
107.6 ON OFF ON ON ON ON OFF OFF ON ON OFF OFF
107.7 ON OFF ON ON ON ON OFF OFF ON OFF ON ON
107.8 ON OFF ON ON ON ON OFF OFF ON OFF ON OFF
107.9 ON OFF ON ON ON ON OFF OFF ON OFF OFF ON
108 ON OFF ON ON ON ON OFF OFF ON OFF OFF OFF

 

 

 

 

 

 

* ERP = Percentage of Effective Radiated 4 watt tx Power
SWR READING % OF LOSS ERP* WATTS AVAILABLE
1.0:1 0.0% 100.0% 4.00
1.1:1 0.2% 99.8% 3.99
1.2:1 0.8% 99.2% 3.97
1.3:1 1.7% 98.3% 3.93
1.4:1 2.8% 97.2% 3.89
1.5:1 4.0% 96.0% 3.84
1.6:1 5.3% 94.7% 3.79
1.7:1 6.7% 93.3% 3.73
1.8:1 8.2% 91.8% 3.67
1.9:1 9.6% 90.4% 3.61
2.0:1 11.1% 88.9% 3.56
2.1:1 112.6% 87.4% 3.50
2.2:1 14.1% 85.9% 3.44
2.3:1 15.5% 84.5% 3.38
2.4:1 17.0% 83.0% 3.32
2.5:1 18.4% 81.6% 3.27
2.6:1 19.8% 80.2% 3.21
2.7:1 21.1% 78.9% 3.16
2.8:1 22.4% 77.6% 3.10
2.9:1 23.7% 76.3% 3.05
3.0:1 25.0% 75.0% 3.00
4.0:1 36.0% 64.0% 2.56
5.0:1 44.4% 55.6% 2.22
6.0:1 51.0% 49.0% 1.96
7.0:1 56.3% 43.8% 1.75
8.0:1 60.5% 39.5% 1.58
9.0:1 64.0% 36.0% 1.44
10.0:1 66.9% 33.1% 1.32