AR 10013130, Operating And Service Manual

Page: 24 / 68

Model 2000TP2G8B
14 Rev -
3.3 FRONT PANEL FEATURES
Refer to Figure 3-2 below.
Figure 3-2. Front Panel Features
Table 3-1. Front Panel Features
Label Title Function
1 MAIN POWER
Switchable 7.5 A. circuit breaker; turns on control module, closes contactor
providing AC to the power supply assemblies.
2 OPERATE Push-button; turns on high voltage when all faults and heater delay are cleared.
3 STANDBY Push-button; biases grid off and turns off high voltage.
4 ADJUST Rotary knob used as an input device to change values of a variety of parameters.
5 EXIT
Push-button; terminates various menu selection routines and returns to the
previous menu level.
6-9 S1...S4 "Soft Key" push-buttons; various menu selection functions.
10 Display Displays numerous parameter values and fault messages.
11 Keylock Switch
Allows operator to inhibit the TWTA, to enable front panel control, or to enable
computer control.
12 Emergency bypass switch cover
Provides access to emergency bypass switches, which permit manual control of
the amplifier.