have a vintage GP-1850F
1. show low internal battery. Manual references CR2450-F2 ST2. Is this battery available and is it a diy or does it need to be soldered into place. Source(s)
2. is there an up-dated mini chart card for west coast USA? Source(s)?
1990 4588
Port Hueneme Ca.
1. show low internal battery. Manual references CR2450-F2 ST2. Is this battery available and is it a diy or does it need to be soldered into place. Source(s)
2. is there an up-dated mini chart card for west coast USA? Source(s)?
1990 4588
Port Hueneme Ca.