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CHPA S
ERIES
WARNING!
INSIDE THE CHPA WHEN POWER IS APPLIED TO THE SYSTEM. ALWAYS
TURN POWER OFF BEFORE SERVICING THE CHPA. DO NOT ATTEMPT TO
REPAIR THE CHPA UNLESS EXPERIENCED IN SERVICING BOTH
MICROWAVE AND HIGH-VOLTAGE SYSTEMS. SHOULD THE CHPA FAIL
DURING OR AFTER INITIAL POWER-ON, REFER TO CHAPTER 6
"PREVENTATIVE MAINTENANCE". IF NECESSARY, ALSO SEE APPENDIX
A, "WARRANTY/ SUPPORT INFORMATION."
Note: Before switching on power for the first time, become familiar with all
CHPA controls and indicators, and with the procedures in this chapter.
4.3 Using the Front Panel
The CHPA is fully controlled using the front panel; this panel is also used to display (and in
some cases to change) the CHPA's RF power-level settings, protection settings, and computer
interface and configuration settings. (Refer to Figure 4-1, which shows the front panel layout.)
Because the front panel is used to perform initial power-on and checkout of the CHPA,
familiarity with its functioning is essential. This section provides a brief overview sufficient for
normal start-up tasks. For more complete information, see Chapter 5, "Operation"; also see
Appendix B, "Control Appearance and Content."
4-2
LETHAL VOLTAGES OF UP TO 13 KVDC ARE PRESENT
Figure 4-1. The CHPA Series Front Panel
THIS DOCUMENT IS THE PROPERTY OF COMMUNICATIONS & POWER INDUSTRIES.
REPRODUCTION OR RELEASE WITHOUT EXPRESS PERMISSION IS STRICTLY PROHIBITED
D
.01023245 R
.R
OC
EV
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