97-2105006_4-2-15
Information subject to change
21
2105 OPERATOR’S MANUAL –
SECTION 5
Use the following general guidelines to select the
best combination of settings to fit your requirements:
OUTPUT
LOAD
Settings
Continuous
Pulse
High
Voltage
16, 8 ohm
16, 8, 4
ohm
180 V
Auto
Mid-Level
4, 2 ohm
2, 1 ohm
90 V
Auto
High
Current
1, 0.5 ohm
0.75 - 0.25
ohm
90 V
Low
Also see the
“9 Specifications” on page
43section
for more information.
5.3.2 Accessing the Power Supply
Board
To access the Power Supply Board, follow the in-
structions given at the beginning of this Section to
open the Configuration Access Panel. The Power
Supply Board is located to the right of the Main
Board, as shown in
Figure 5.9.
Figure 5.9 – Accessing the Power Supply Board
Figure 5.10 – Location of Amplifier High-Voltage
Transformer Sockets
Figure 5.11 – J3 and J7 Plug Locations for
High-Current Output
Figure 5.12 – J4 and J8 Plug Locations for
High-Voltage Output
5.3.3
Changing Amplifier Voltage
Potential
The 2105 can be configured for High Current (90V)
or High Voltage (180V) operation via user-
selectable plugs on the Power Supply Board.
Complete the following steps to change the ampli
-
fier voltage potential.
1.
Locate the two XFMR sections (left of Line
Voltage sections) (see
Figure 5.10
).
2.
For High Current (90V) Output (see
Figure
5.11
).
3.
For High Voltage (180V) Output (see
Figure
5.12
).