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1. OPERATION
1-35
There are three default custom setups for the internal computer of the radar (see
paragraph 1.28.2 for a description). You can adjust these settings on the [Custom 1],
[Custom 2] and [Custom 3] menus to meet your navigation needs.
To activate a custom setup, press the CUSTOM key. The CUSTOM key switches be-
tween Custom 1, Custom 2 or Custom 3 each time you press the key. (Custom setup
numbers which are turned off are ignored.) The selected custom setup name is shown
at the upper-left corner. To escape from custom setup, operate any control.
1.28.2 Description of custom setup items
Description of custom setup items
Menu item Available settings See section
[Custom1(2 or 3)] Turn on/off each custom program.
[Copy]
Copy settings from the [Echo] menu. The message "Com-
plete" appears after the copying is completed.
[Gain Mode]
[Auto]: Automatic gain adjustment according to noise level.
[Manual]: Manual gain adjustment
section 1.9
[Manual Gain]
Copy the current position of the GAIN knob when you do
[Copy]. This item is for read-only.
[Sea Mode]
[Auto]: Automatic sea clutter adjustment according to sea
state.
[Manual]: Manual sea clutter adjustment.
section 1.10
[Auto Sea]
[Coastal]: Suppress both land and sea clutter.
[Advanced]: Automatically discriminate land echoes from
sea reflections to suppress only sea reflections.
section 1.10
[Manual Sea]
Copy the current position of the A/C SEA knob when you do
[Copy]. This item is for read-only.
[Rain Mode]
[Auto]: Automatic rain clutter adjustment according to rain
cloud density.
[Manual]: Manual rain clutter adjustment.
section 1.11
[Auto Rain]
[Calm]: For light rain.
[Moderate]: When you can not reduce the rain clutter with
[Calm] mode.
[Rough]: For heavy rain.
section 1.11
[Manual Rain]
Copy the current position of the A/C RAIN knob when you do
[Copy]. This item is for read-only.
[A/C Auto] [Off], [On] section 1.12
[Pulse Length]
[Short] or [Long], you can select on 1.5, 1.6, 3.0 and 3.2 nm
ranges.
section 1.18
[Echo Stretch] [Off], [1], [2], [3] section 1.22
[Echo Average] [Off], [1], [2], [Auto] section 1.23
[Noise Rejector] [Off], [On] section 1.30
[Wiper] [Off], [1], [2] section 1.31
[Int Rejector] [Off], [1], [2], [3] section 1.14