Hardware Gain Configureation

The duplicator has only one point of physical control this is a 4 DIP switch that controls the gain state of the amplifier.

0000 is 1-2-3-4 dips, In orientation to bottom numbers up is 1 and down is 0

All selected in this up position is 1111 or 2.02 Minimum Gain When dip’s 2-3-4 are down it's 1000 this is the maximum gain of 8.5, the table below shows all possible positions.

Configuration	Switch Position	Gain
15	1111	2.02
7	0111	2.17
11	1011	2.27
13	1101	2.45
3	0011	2.54
14	1110	2.59
5	0101	2.79
6	0110	3.02
9	1001	3.04
10	1010	3.34
1	0001	3.8
12	1100	4
2	0010	4.4
4	0100	6
8	1000	8.5