Garmin GPSMAP 640 Owner's Manual - Page 82
Extras and Optional Accessories, Specifications - gps receiver
UPC - 753759083557
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Appendix When your GPSMAP 640 has acquired satellite signals, the signal strength bars on the Home screen (or Menu page) are green. When it loses satellite signals, the bars turn red or clear. For more information about GPS, go to www.garmin.com/aboutGPS. Extras and Optional Accessories For more information about optional accessories, go to http://buy.garmin.com or www.garmin.com/extras, or contact your Garmin dealer. Specifications Physical size: W × H × D: 6 × 4 × 1 7/8 in. (151 × 102.49 × 47.25 mm) Weight: 17.3 oz. (490.4 g) Display: 5 3/16 in. (132 mm) diagonal, 800 × 480 pixels; bright WVGA landscape display; white backlight; touchscreen Case: Waterproof to IEC 529-IPX-7 Operating temperature range: From 5°F to 131°F (from -15°C to 55°C) Charging temperature range: From 32°F to 113°F (from 0°C to 45°C) Data storage: Internal memory and optional removable SD card. Data stored indefinitely. Computer interface: USB 2.0 high-speed and full-speed mass storage Operating system: Garmin Charge time: Approximately 6 hours Power input: 11-32 Vdc, vehicle power using vehicle power cable, or AC power using the included AC adapter. Usage: 12 W max. Battery life: Up to 9 hours with minimum backlight and no XM antenna; up to 5 hours with maximum backlight and no XM antenna; up to 3.5 hours with maximum backlight and a GXM 40 antenna. Battery type: User-replaceable rechargeable lithium-ion battery GPS receiver: High-sensitivity Compass-safe distance: 17 in. (43.18 cm) 74 GPSMAP 640 Owner's Manual