R.V.R. Elettronica HC4, Руководство пользователя

Страница: 23 / 72

HC4
19 / 34 User Manual Rev. 1.0L - 01/04/02
6. Controls, Indicators and Connectors
This chapter describes the front and rear panels of the HC4, with a brief indication
of all the different components.
6.1 Front Panel
[1] DISPLAY LCD Display.
[2] ON Green LED, lit when the amplifier is switched on.
[3] WAIT Yellow LED indicating that the amplifier is waiting for a condition that is
blocking the power output to be removed.
[4] FAULT Red LED indicating that a fault that cannot be automatically reverted.
[5] LOCAL Yellow LED indicating that the amplifier in local control mode.
[6] FOLDBACK Yellow LED indicating the intervention of the foldback function (automatic
reduction of the output power).
[7] BRIGHTNESS Trimmer to regulate the brightness of the LCD display.
[8] AIR FILTER Air Filter for Power Splitter and Combiner.
[9] ALARM RESET Button used to manually reset the protection system.
[10] LOC/REM Switch to select the local or remote control modes.
[11] ESC Button to exit from a menu.
[12] LINE Line indicating C.A.
[13] LEFT/UP Button used to navigate in the menu system and to modify the changeable
parameters.
[14] RIGHT/DOWN Button used to navigate in the menu system and to modify the changeable
parameters.
[15] ENTER Button used to accept a parameter's value or to enter into a menu.
[16] R.F. MONITOR BNC RF monitor output. The output level is -60 dB below the power
output in the band 87.5-108 MHz.