22
4.3
SELECTING A RANGE
The actual range scale and range rings interval is shown in the upper left corner
of the display. Press the RANGE
▲
key for an increased range scale, or
▼
key
for a decreases range scale. The selected range automatically determines the
proper number and distance between the range rings.
4.4
ADJUSTING RECEIVER SENSITIVITY
Press the J-DIAL until GAIN appears highlighted on the upper right corner of
the display. Rotate the J-DIAL clockwise or counterclockwise, to vary the gain
and thus control the strength of echo returns on the radar screen. An on-screen
bar indicates the gain level selected for display. The proper setting is when the
background noise is just visible on the screen.
4.5
ADJUSTING TUNING
The RADAR 3000 is setting Auto Tune mode at the power ON. If wish to
manual tuning, required to select Manual Tune mode by using menu (Refer to
4.27).
Press the J-DIAL until the TUNE appears highlighted on the upper right corner
of the display. Rotate the J-DIAL clockwise or counterclockwise, to maximize
the target echo. If land targets are not within the radar’s range, adjust the control
for maximum sea clutter. The on-screen tuning indicator will shown the strength
of tuning peak conditions is turned for maximum deflection. Normally, tuning
is performed on the 3 NM range scale or higher. Minor readjustment may be
necessary after the radar has warmed up 10 minutes.
OPERATION
22
4.3
SELECTING A RANGE
The actual range scale and range rings interval is shown in the upper left corner
of the display. Press the RANGE
▲
key for an increased range scale, or
▼
key
for a decreases range scale. The selected range automatically determines the
proper number and distance between the range rings.
4.4
ADJUSTING RECEIVER SENSITIVITY
Press the J-DIAL until GAIN appears highlighted on the upper right corner of
the display. Rotate the J-DIAL clockwise or counterclockwise, to vary the gain
and thus control the strength of echo returns on the radar screen. An on-screen
bar indicates the gain level selected for display. The proper setting is when the
background noise is just visible on the screen.
4.5
ADJUSTING TUNING
The RADAR 3000 is setting Auto Tune mode at the power ON. If wish to
manual tuning, required to select Manual Tune mode by using menu (Refer to
4.27).
Press the J-DIAL until the TUNE appears highlighted on the upper right corner
of the display. Rotate the J-DIAL clockwise or counterclockwise, to maximize
the target echo. If land targets are not within the radar’s range, adjust the control
for maximum sea clutter. The on-screen tuning indicator will shown the strength
of tuning peak conditions is turned for maximum deflection. Normally, tuning
is performed on the 3 NM range scale or higher. Minor readjustment may be
necessary after the radar has warmed up 10 minutes.
OPERATION
Summary of Contents for Radar 3000
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Page 15: ...8 INSTALLATION FIG 3 1 GENERAL SYSTEM DIAGRAM 8 INSTALLATION FIG 3 1 GENERAL SYSTEM DIAGRAM...
Page 38: ...31 OPERATION MENU ENT Spanish Menus 31 OPERATION MENU ENT Spanish Menus...
Page 39: ...32 OPERATION MENU ENT Norwegian Menus 32 OPERATION MENU ENT Norwegian Menus...
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