JRC JMA-2343, Instruction Manual

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(b) Select the height of the radar antenna among "UNDER 5m", "5m TO 10m", and "MORE
THAN 10m".
9.8.6 Presetting the sensitivity
This operation sets the maximum sensitivity when [GAIN] control is turned.
This adjustment should not be undertaken without reason.
When undertaking this adjustment, also undertake "9.8.2. Adjustment of the Noise Level".
(a) Push the soft key
ＤＩＳＰＬＡＹ ＤＩＳＰＬＡＹ ＤＩＳＰＬＡＹ ＤＩＳＰＬＡＹ
.
(b) Push the soft key 1 and select
ＥＸＰ
ＥＸＰ ＥＸＰ
ＥＸＰ ＯＦＦ
ＯＦＦ ＯＦＦ
ＯＦＦ
.
(c) Turn the [RAIN] control to the minimum (turn to maximum counterclockwise).
(d) Turn the [SEA] control to the minimum (turn to maximum counterclockwise).
(e) Turn the [GAIN] control to the maximum (turn to maximum clockwise).
This maximizes the strength of the echo on the PPI screen.
(f) Select "GAIN PRESET" in the menu "INITIAL SETTING 1".
(g) Adjust the sensitivity level pushing the "
▲
(up)" or "
▼
(down)" on the
ＲＡＮＧＥ ＲＡＮＧＥ ＲＡＮＧＥ ＲＡＮＧＥ
key.
(h) Push the
ＥＮＴＥＲ ＥＮＴＥＲ ＥＮＴＥＲ ＥＮＴＥＲ
key.
The maximum level of gain has been set.
9.8.7 Presetting the sea clutter
This operation sets the maximum level of suppression when the [SEA] control is turned.
This adjustment should not be undertaken without reason.
(a) Set the range to 0.125NM pushing the "
▼
(down)" on the
ＲＡＮＧＥ ＲＡＮＧＥ ＲＡＮＧＥ ＲＡＮＧＥ
key.
(b) Undertake tuning adjustment using the [TUNE] control.
(c) Push the soft key
ＤＩＳＰＬＡＹ ＤＩＳＰＬＡＹ ＤＩＳＰＬＡＹ ＤＩＳＰＬＡＹ
.