Furuno 851 MARK-2 - Manual (Page 25)

3. ADJUSTMENT
3-2
3.2 Initial Adjustment of Picture
Follow the procedure below to obtain proper radar picture.
1. Press the [POWER] key on the display unit. The display should light. Wait
until the message "ST-BY" appears on the screen. (About one and half
minutes.)
2. Press [ST-BY/TX] key to transmit. The radar will start transmitting, and you
will probably see some targets around you, even though the radar is not yet
properly adjusted.
3. Select a long range.
4. Press the [ECHO] key. The following display appears.
AUTO 1 2 3
MAN
AUTO 1 2 3
MAN
GAIN
STC
◆
◆
[
[
A.C RAIN 00
FTC 0 1 2
1
ECHO KEY
TO EXIT
Current
level
Item selected
Select auto (or manual) by
pressing omnipad followed
by [ENT] key.
Select auto (or manual) by
pressing omnipad followed
by [ENT] key.
for adjustment
Select item/option
by pressing
appropriate
omnipad arrow.
Figure 3-3 Display for adjustment of gain, STC, A/C RAIN and FTC
5. Press the omnipad to select GAIN-AUTO, if it is not already selected.
6. Select minimum range. Press the [ECHO] key and press the omnipad to
select STC-AUTO, if it is not already selected.