garmin 720s and the map

**fanssa** · 29th March 2011, 09:55 AM

Hi ,

as you see i am very new in using GPSMAP, I have garmin 720s , and I ,one of my frind give the red sea Map, the device arrive to see the map but do not show it in the screen , i do not what i do, really i need you help
thank you in advance for you help ,

**catymag** · 29th March 2011, 01:48 PM

What do you mean with " the device arrive to see the map but do not show it in the screen" ?
Is it in a Garmin folder in sd named gmapsupp.img ?
One img per sd ?

**fanssa** · 29th March 2011, 05:37 PM

I mean with " the device arrive to see the map but do not show it in the screen , that the device information show that there is 2 maps 1 world map and the 2end is the red sea map but only the world map is working with GPS ,
the red Map it is Garmin folder in sd named Garmin with 3 fils
1- named gmapsup its img format
2- gmapsupp its UNL file
3garminDivice its XML format
if you can help it will be greet
thank you

Kanopus · 29th March 2011, 05:51 PM

Are you sure this map is compatible with your GPS?
See this discussion [Only registered and activated users can see links. ]

**catymag** · 29th March 2011, 08:55 PM

are you sure the Bc you had is locked ?
edit :
is your sd bigger than 2gb ?
from Garmin FAQ :If it has been some time since you last updated your chartplotter/sounder, it is possible the maximum size SD card that can be used is 2GB.
Read this thread
[Only registered and activated users can see links. ]
better to update your plotter firmware

**tom1807** · 30th March 2011, 02:50 AM

Could you please be more specific which RedSea map it is exactly.
According to [Only registered and activated users can see links. ], g2 and g2 vision cards are suitable

**Thefatboy** · 30th March 2011, 04:02 AM

no 1 the name should be gmapsupp.img not gmapsup.img

**fanssa** · 30th March 2011, 11:46 AM

i tray the unlocker ( Fast IMG Unlocker 1.9.exe) and it work very good ,

[Only registered and activated users can see links. ]

thank you all for your help

**crazyhorse** · 31st March 2011, 08:59 PM

yes, the program is very good

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