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CHPA SERIES
WARNING! LETHAL VOLTAGES OF UP TO 13 KVDC ARE PRESENT 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 "MAINTENANCE". IF NECESSARY, ALSO SEE APPENDIX
D, "WARRANTY/ SUPPORT INFORMATION," IN CHAPTER 8, "SUPPLEMENTARY
DATA."
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," in Chapter 8, "Supplementary Data."
4-2
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
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