Raymarine Dragonfly 7 - Page 111

5.7” display 7” display
Viewing
angle
• Left / Right: 70
degrees
• Top / Bottom: 70 / 45
degrees
• Left / Right: 75
degrees
• Top / Bottom: 75 / 70
degrees
Maxi-
mum al-
lowable
wrongly
illumi-
nated
pixels
5
6
Sonar / DownVision
™
specication
The following specication only applies to
DownVision
™
products.
Channels 2 x CHIRP (1 x traditional sonar and 1 x
DownVision
™
)
Beam
coverage
• Sonar — conical beam.
• DownVision
™
— Wide (port / starboard)
and thin (fore / aft) fan beam.
Depth range
0.6 M (2 ft) to 183 m (600 ft). Depending on
water conditions, the Sonar channel maybe
able to achieve increased depth range over
the DownVision
™
channel.
Note: The DV and Wi-Fish
™
variants are single
channel DownVision
™
only products.
GPS specication
Channels
50
Cold start
Approximately 35 seconds in optimum
conditions
Receiver IC
Sensitivity
–159 dBm Tracking
Satellite Based
Aiding System
(SBAS)
WAAS + EGNOS
Special features
Active Jamming Reduction
Operating
frequency
1575.43MHz
Signal Acquisition
Automatic
Almanac Update Automatic
Geodetic Datum WGS-84, alternatives available
through Raymarine displays.
Refresh Rate
5 Hz
Antenna
Ceramic chip
Accuracy
• Without SBAS: <= 15 metres 95%
of the time
• With SBAS: <= 5 metres 95% of
the time
Technical specication
111