2turning on and off the power, 2 turning on and off the power – Furuno DD-80 User Manual

Page 14

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1 - 2

1.2 Turning On and Off the
Power

The DD-80 takes about two minutes to find
position when turned on for the very first time.
Other times it takes about 20 seconds.

Note:

The GPS provides highly accurate po-

sition information. However, position should
always be check against other aids to naviga-
tion to confirm reliability, for the safety of
vessel and crew.

Turning on the power

Press the [POWER] key.

The unit tests the PROGRAM MEMORY,
SRAM and battery for proper operation and
shows the results on the display. "BEACON
RCVR INSTALLED" appears at the bottom
of the display. The unit starts up with the last
used display mode and that mode is indicated
at the bottom of the display.

PROGRAM MEMORY = OK
SRAM = OK
Internal Battery

= OK

BEACON RCVR INSTALLED*
DATA #3 : LOG PULSE OUTPUT

GPS receiving
condition

Several seconds

later

A

234

°

345

°

DGPS 3D

34

°

23.456´ N

135

°

45.678´ E

BRG

RNG

123

12.3

SPD

nm

kt

CSE

[01]

30

40

20

50

H

2nm

GPS receiving
condition

Several seconds

later

A

WGS84

Figure 1-2 Appearance of display when

turning on the power

When turning on the power the following oc-
curs:

20 seconds after turning on the power, accu-
rate position (in latitude and longitude) ap-
pears on the display.

If position could not be found, "NO FIX" ap-
pears at the GPS receiver condition window.
When PDOP value exceeds 6 in the 3D mode
or HDOP value exceeds 4 in the 2D mode,
"DOP" appears to indicate abnormal fixing
and the position indication could not be up-
dated.

When the satellite signal is being received nor-
mally, one of the indications shown in Table
1-1 appears depending on equipment setting
and GPS receiver state.

Table 1-1 GPS receiver indication

t

n

e

m

p

i

u

q

E

g

n

i

t

t

e

s

e

t

a

t

s

r

e

v

i

e

c

e

r

S

P

G

n

o

i

t

a

c

i

d

n

i

D

2

)

l

a

m

r

o

n

(

D

2

S

P

G

D

3

)

l

a

m

r

o

n

(

D

3

S

P

G

l

a

i

t

n

e

r

e

f

f

i

D

D

2

)

l

a

m

r

o

n

(

D

2

S

P

G

D

l

a

i

t

n

e

r

e

f

f

i

D

D

3

)

l

a

m

r

o

n

(

D

3

S

P

G

D

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