Furuno FR-2105-B - Manual (Page 12)

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The table below shows the differences between R-type and IMO type radars. Other functions
and specifications are common. The operator cannot navigate between these two types. Your
radar is factory set for IMO type. If you want an R-type, please ask your service representative.
Function IMO type Regular type (R-type), Japanese
version
Range scales 0.125, 0.25, 0.5, 0.75, 1.5, 3, 6, 12,
24, 48, 96 nm FR-2115/2115-B:
0.125, 0.25, 0.5, 0.75, 1.5, 3, 6, 12,
24, 48, 72 nm
Other models:
0.125, 0.25, 0.5, 0.75, 1.5, 3, 6, 12,
24, 48, 120 nm
Alarm zones Radar: Target Alarm Zone:
1st TAZ between 3 and 6 nm, 2nd
TAZ anywhere provided the 1st TAZ
is valid.
Radar: Target Alarm Zone:
1st and 2nd TAZs anywhere. Alarm
can be selected for inside (as TAZ) or
outside (as off-zone watch) mode.
ARPA: Guard Zones:
1st GZ - between 3 and 6 nm, in 0.5
nm range depth
2nd GZ - Anywhere in 0.5 nm range
depth, but needs 1st GZ operative
ARPA: Guard Zones:
1st GZ - Anywhere in 0.5 nm depth
2nd GZ - Anywhere in 0.5 nm depth
x2 Zoom Not available Available on menu
Echo colors Monochrome yellow or green in 16
tones Choice of monochrome in 16 tones or
3 colors depending on echo strengths
Program number
MAIN 0359149103
ARPA 1859038103
DISP 1859039101
RP 0359150102
(See page 6.6 to confirm this on the screen.)