R.V.R. Elettronica HC2 LCD, Руководство пользователя

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HC2
13 / 30 User Manual Rev. 1.1L - 07/07/03
5.3.3 Power Amplifier Menu (P.A.)
This multi-line scrollable menu reports to the user some internal measurement of
the device:
• Voltage (VPA) - Not active
• Current (IPA) - Not active
•
Efficiency - Not active
•
Temperature
•
Mains voltage (Mains - percentage variation with respect to the nominal voltage)
The complete aspect of the screen is the following figure (please note that only
two lines at a time are visible, use the UP and DOWN buttons to scroll):
Please note that the first three lines of this screen are not active since they are not
meaningful for a hybrid coupler.
5.3.4 Threshold setting menu (Set)
As described in the introduction, the amplifier offers a maximum of three user
settable alarms. For each of them, one of the working parameters is compared
against a threshold value that can be be modified by the user. The results of the
comparisons are available on the telemetry connector or as dry contacts on the
optional external telemetry board, and can be read on the display as "O" (open,
i.e. the result is false) or "C" (closed, i.e. the result is true).
Two of the settable thresholds are related to the RF emitted power (Power Good),
while the third is connected to the amount of reflected power (Reflected Warning).
The thresholds are expressed as percentage of full-scale value of the relevant