MDC-7000/7900 Series
Chapter 4 Setup after installation
0092669002-07
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4.4.3 Setup GAIN MIN and MAX mode
Display sensitivity of the screen against the GAIN knob is set. When the sensitivity against turning of
the knob is too high or too low, it can be adjusted with knob.
There are two modes of MAN and AUTO in gain sensitivity control.
Change method of MAN and AUTO.
Press the GAIN knob, or put a cursor on the indicator of MAN or AUTO upper right of the display and
press ENT key.
4.4.3.1 GAIN MIN (MAN and AUTO mode)
This setting is a function to make the value set under GAIN sensitivity control effective even when GAIN
is set at a minimum level by turning GAIN knob. Due to the raise of the minimum value, this function
allows the effect against the angle of the turning of the knob to be moderated and the adjustment with
the knob to be made easier. This adjustment can be used in common for the entire range.
MAN mode
(1) Check MAN indication of GAIN mode from upper right of the display. If GAIN mode is AUTO,
change to MAN mode. If SEA mode is AUTO, change to MAN mode. If RAIN mode is CFAR,
change to MAN mode.
(2) Set the range scale at 24 NM, set SEA at 0 by turning SEA knob, set RAIN at 0 by turning RAIN
knob, set PICTURE 1 mode, set GAIN at 0 by turning GAIN knob and set BRILL at a maximum
level by turning BRILL knob.
(3) Press MENU
key to display “Menu”.
Select [MAINTENANCE] => [PRESET] => [GAIN MIN] and highlight of the last digit of entry frame
of numerical value by moving the trackball.
(4) Move the trackball up and down to change the value, only the highest signal levels are presented.
Press ENT key for setting.
Setting value is 0 to 4095: Initial setting is 0
AUTO mode
(1) Check AUTO indication of GAIN mode from upper right of the display. If GAIN mode is MAN,
change to AUTO mode. If SEA mode is AUTO, change to MAN mode. If RAIN mode is CFAR,
change to MAN mode.
(2) Set the range scale at 24 NM, set SEA at 0 by turning SEA knob, set RAIN at 0 by turning RAIN
knob, set PICTURE 1 mode, set GAIN at 0 by turning GAIN knob and set BRILL at a maximum
level by turning BRILL knob.
(3) Press MENU
key to display “Menu”.
Summary of Contents for MDC-7006
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