Lowrance LRA-1800, Инструкция по эксплуатации

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8
We will set them up in that order, but before making any adjustments,
make sure the display is set to a range of 0.125 nautical miles and that
Gain, Anti-Sea Clutter (STC), Anti-Rain Clutter (FTC) and Trigger De-
lay all have been set to zero percent.
Trigger Delay Preparation
Range
1. To reset range to 0.125 nm, make sure you are on the Radar Only
page and press
MENU
.
2. Use ↑ ↓ to select
R
ADAR
R
ANGE
and press
ENT
, which will call up the
Radar Range list. Press ↑ to select 0.125 nm and press
ENT
. You also
can set the range to 0.125 nm from the radar screen by using the
ZIN
and
ZOUT
keys.
Gain
1. To set Gain to zero, press
MENU
, select
G
AIN
and press
ENT
.
2. Press
↓
until the Gain is set to zero percent. Press
EXIT
. (Notice the
corresponding value in the upper right-hand corner of the screen.)
NOTE :
When adjusting Gain back to a useable level, increase the level un-
til you see a light peppering on the display. Also remember, you will
have to adjust gain every time you change ranges.
Anti-Sea Clutter
1. To set Anti-Sea Clutter to zero, press
MENU
, select
A
NTI
-S
EA
C
LUTTER
(STC)
and press
ENT
.
2. Press ↓ until the Anti-Sea Clutter is set to zero percent. Press
EXIT
.
(Notice the corresponding value in the upper right-hand corner of the
screen.)
Anti-Rain Clutter
1. To set Anti-Rain Clutter to zero, press
MENU
, select
A
NTI
-R
AIN
C
LUTTER
(FTC)
and press
ENT
.
2. Press
↓
until the Anti-Rain Clutter is set to zero percent. Press
EXIT
.
(Notice the corresponding value in the upper right-hand corner of the
screen.)
Trigger Delay
1. To set Trigger Delay to zero, press
MENU
, select
R
ADAR
S
ETUP
and
press
ENT
.