6. RADAR
6-2
6.3 How to Adjust the Gain
You can adjust the gain (sensitivity) of the radar receiver. The correct setting shows
some background noise on the screen. If you do not use enough gain, weak echoes
are erased. If you use more gain than necessary, the background noise hides both
weak and strong targets.
The gain can be adjusted from the data area or the pop-up menu.
Method 1: pop-up menu
Automatic adjustment:
1. Tap the radar display to show the pop-up menu then tap [Radar Adjust].
2. Turn [Auto Gain] off.
Manual adjustment:
1. Tap the radar display to show the pop-up menu then tap [Radar Adjust].
2. Turn [Auto Gain] off.
3. Tap [Manual Gain].
4. Use the slider bar to adjust the gain: Drag the knob, drag the gain indication box,
or tap the “+” or “-” symbol.
5. Tap [Done] at the top of the screen to finish.
Tap
Automatic: Turn [Auto Gain] ON.
Manual: Turn [Auto Gain] OFF.
Tap [Manual Gain].
Manual
adjustment
Current
setting
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