Koden MDC-7000P series, Руководство по установке

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MDC-7000P/7900P Series Chapter 4 Setup after installation
0092669006-05E 4-31
4.9 MON (performance monitor)
Performance monitor is a function to confirm performance degradation such as aging phenomena
etc., by recording performance of antenna for later reference on its installation or on exchange of
antenna parts.
Note: Carry out initial setup without fail on installation or on exchange of antenna parts.
4.9.1 Initial setup methods
(1) Press STBY / TX key to start transmission.
Set RAIN / SEA at 0 by turning RAIN / SEA knobs.
Set GAIN at 100 by turning GAIN knobs.
(2) Press MENU key to display “Menu”.
Select [MAINTENANCE] => [MON] => [ON], and press ENT key.
Range is changed to 24 NM automatically.
Arc shaped dummy echo appears at 90 degree, 20 NM of antenna position.
Range
Dummy echo
Width
(3) Press MENU key to display “Menu”.
Select [MAINTENANCE] => [MON TUNE], and then adjust value to obtain the maximum width of
the dummy echo.
If dummy echo appears in a circle shape, then turn GAIN knob counterclockwise and adjust MON
TUNE value again so that dummy echo does not appear in a circle shape.
(4) Select [CALIBRATION], move trackball to right select [GO], and press ENT key.
Then, the antenna performance is recorded for later reference.
(5) Return to Main menu and select [SYSTEM].
Confirm RX, TX and SYSTEM bars are maximum length.
RX: Displays performance degradation of receiver.
Figure 4.10
Figure 4.11