Globalsat Technology gh-615b-gh-615m 用户手册

GH-615 

 

 

Page 26 

 
1.  Use Up and Down button to scroll to 

the item and press OK to modify it. 

2.  You have to select your local time 

zone and enable Daylight Saving if 
necessary, so system will display the 
correct time for you. 

3.  You can also set the time to display in 

the 12 Hour or 24 hour format. 

4.  Press ESC button to return to 

previous page or PG button to go 
back to main menu 

 

 

 
1.  The GPS function can be turned off 

for saving battery power. If the 
battery power is pretty low, the 
system will also ask you if you want 
to turn off the GPS function. 

2.  You can turn on/off the 

"WAAS/EGNOS" feature.