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[Emoo]

I have a 997c when I press menu button twice I no longer show Chart symbol or GPS symbol . Also I have lost the GPS mapping system on unit. It works fine on simulation mode but once I return to real life I have no mapping...Bought new GPS ant. still nothing I'm lost can't get the gps or chart symbols on menu screen at all....I'll take any an all suggestion's
Thanks
Moo

[Wayne P.]

If the unit does not get a satellite lock you will not get the Chart views, Chart menu or Nav menu.

If your unit is not faulty or the GPS antenna is not faulty, you have low power. The GPS function is typically the first thing that is affected by inadequate power.

Fully charged battery in good condition with clean and tight connections.

Additionally is the unit operating software current?

[Emoo]

Thanks for your reply I think my software is 5.4 if I recall... Also I was showing 14 volts on screen . When I plugged in new GPS ant. nothing changed on screen. Got me stumped at this point

[Wayne P.]

That software version is about 5 years old.

[Emoo]

Well thanks for your time Wayne did a software update 6.4 version Ha Ha that was the problem ....Knew it had to be something simple but it did rack my brain for a couple weeks...
Thanks
Moo