Garmin gpsmap 78 用户手册

Appendix

In Europe, go to 

www.garmin.com 

 and click Contact 

Support for in-country support 

information, or contact Garmin 

(Europe) Ltd. by phone at +44 (0) 

870.8501241.

The backlight is activated any time you 

press a button. Alerts and messages 

also activate the backlight. 
NOTE: To change the backlight 

settings, see 

.

Press   to turn on the backlight.

Physical size 

(W × H × D)

2.6 × 6.0 × 1.2 in.  

(6.6 × 15.2 × 3.0 cm)

Weight

7.7 oz. (218.3 g) with 

batteries

Display  

(diagonal)

2.6 in. (66 mm) 

•

Resolution 

(W × H)

160 × 240 pixels, 

backlit 65K color TFT 

display

Water 

resistance

Fully gasketed, 

floatable, high impact 

plastic alloy, waterproof               

to IEC 529-IPX-7

Data storage

Approximately 1.7 GB

No memory battery is 

required.

The GPSMAP 78S and 

78Sc have a microSD 

card slot for additional 

data storage.

Computer 

interface

USB and serial

Battery type

Two AA batteries 

(alkaline, NiMH, or 

lithium)

.

Battery life

Up to 20 hours, typical 

usage

Operating 

temperature 

range

From 5°F to 158°F 

(from -15 to 70°C) 

.