Koden MDC-900 Series, Руководство по эксплуатации, Страница: 17 / 83

MDC-900 Series Chapter 1 Basic Operation
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3.
Change the observation range with the [- RANGE +] key.
When pressing the [+] key, the observation range expands.
When pressing the [-] key, the enlarged surrounding around own ship can be observed.
To make it easier to observe the range you desire, change the range.
Example of display :
Long range : Far distance Middle range : Middle distance
Objects at far distance
can be covered.
Short range : Near distance
Objects near own ship
can be easily confirmed.
1.6 Switch-over of range
4.
Adjust the gain by rotating the [GAIN] knob.
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Example of gain adjustment:
: Too high gain
Noise is also displayed. Desired targets are
displayed. Some targets are not
displayed.
: Optimum gain : Too low gain
1.7 Gain adjustment
The gain becomes high when rotating clockwise the knob and becomes low when rotating
counterclockwise the knob.
When the observation range is narrow or targets are crowded, reduce the gain so that
targets can be easily seen.
When the observation range is wide, if the gain is increased, it is effective.
But, due to noise increase, small targets become hard to be seen.