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It's important to us and our power users, but if you don't care how many
watts of power the unit has or how many waypoints it can store, skip
ahead to important information on how sonar works on page 5. Back-
ground on GPS begins on page 6.
Capabilities and Specifications:
General
Display:............................ 5.0" (12.7 cm) diagonal 256-color enhanced
TFT LCD; programmable to viewing prefer-
ence.
Resolution:...................... 640 pixel x 480 pixel resolution; 307,200 total
pixels.
Backlighting................... Backlit screen and keypad with multiple
lighting levels for night use.
Input power.................... 10 to 15 volts DC.
Case size:......................... 5.4" H x 6.9" W x 3.4" D (13.8 x 17.6 x 8.6
cm); sealed and waterproof; suitable for
saltwater use.
Back-up memory:.......... Built-in memory stores sonar records for
decades.
Languages.......................10; menu languages selectable by user.
MMC slots: ...................... One with waterproof door (SD card
compatible).
Sonar
Frequency....................... 50/200 kHz for SeaCharter 642cDF iGPS;
200 kHz for FishElite 642c iGPS.
Recording:........................MMC & SD cards for recording sonar chart
logs.
Transducers: .................. A dual-frequency Skimmer
transducer with
built-in temperature sensor is packed with
the SeaCharter 642cDF iGPS. It has 35°/12°
cone angles. A single-frequency Skimmer
transducer with built-in temperature sensor
is packed with the FishElite 642c iGPS. It
has a 20° cone angle. Transducers operate at
speeds up to 70 mph (61 kts)
Watts: ............................... SeaCharter 642cDF iGPS: 4,000 watts
peak-to-peak/500watts RMS. FishElite 642c
iGPS: 1,500 watts peak-to-peak/188 watt
RMS.