Adjusting Gain - JRC JMR-7230-S Instruction Manual

Using the manual tune mode
1
Click on the tune mode button.
[MAN] (manual) is displayed on the tune mode button.
Each time this button is clicked on, the display switches between [AUTO] (automatic) and
[MAN] (manual).
2
Move the fine tuning slider to the left and right sides.
The tuning status is displayed on the tuning bar according to the movement of the fine tuning
slider.
Make adjustments so that the display on the tuning bar indicates the maximum (the state in
which the tuning bar is positioned at the most right).
Tuning indication peak line
Indicates the maximum point of tuning.
Fine tuning slider
5.3.4

Adjusting gain

Be sure to always adjust for the best gain.
If the gain is too high, undesired signals including receiver noise and
false echoes increase resulting in reduction of visibility of targets.
Otherwise, accidents may result.
On the contrary, if the gain is too low, targets including ships and
dangerous objects may not be clearly indicated.
Adjust the gain of the radar.
Memo
Set the optimum gain when making adjustments, giving consideration to the setting described in
"5.3.7 Adjusting to optimal images (Selection of observation scenes)".
Section 5 Basic Operation of the Radar
This bar indicates the tuning state.
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