Garmin m4 Guida Al Funzionamento

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 M4 Operating Instructions
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PECIFICATIONS
Specifications
Physical
Size: 
 
128 mm x 72 mm x 19 mm (5.04 in x 2.83 in x 0.75 in)
Weight:   
166 grams
Display:   
3.5” QVGA transflective TFT display, 64K colors
Antenna:   
Built-in patch antenna
Performance
GPS Receiver: 
GPS receiver powered by SiRF
®
Acquisition times: 
 
Warm: 
< 1 sec
 
Cold: 
< 38 sec
 
Factory Reset:  < 45 sec
Update rate: 
1/sec. continuous
GPS Accuracy: 
< 10 meters, 50% typical
DGPS (WAAS) Accuracy:  < 5 meters, 50% typical
Velocity Accuracy: 
0.5 meter/sec RMS
Interfaces:  
USB, Infrared
Power
Source:   
Non-removable 1250 mAh lithium polymer rechargeable battery
Battery Life:
 
Active: 
Normal operation, no backlight, GPS off: up to 19 hours
 
 
Normal operation, no backlight, GPS on: up to 11 hours
 
 
Normal operation, half backlight, GPS on: up to 7.5 hours
 
 
Normal operation, no backlight, GPS off, WMA playback: up to 15 hours
 
Sleep/Suspend: Approx. 1 month
 
Shutdown: 
Retains memory for a minimum of 72 hours after low battery shutdown
Internal System
Operating system: 
Windows Mobile
 2003 Second Edition for Pocket PC
Embedded Capabilities:  GPS receiver, IrDA
Audio Hardware: 
Integrated speaker, microphone, 3.5 mm stereo headphone jack
Processor:  
312 MHz Intel
®
 PXA271 Xscale
 processor, dedicated 48 MHz ARM7 GPS coprocessor
Internal Memory: 
64 MB RAM, 32 MB ROM, safe storage available
Expandable Memory: 
SDIO/MMC