Bedienungsanleitung JRC Radar2000 (Seite 28 von 54) (Englisch)

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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 2000 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

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 2000 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

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