See the below notes from the sketch,
important changes:
 
There now is a single HEX code for any configuration.
 
Select LCD I2C address by jumper
Enable LCD support by jumper
Added 4th display mode for 8 digit Grid Square
Auto Survey function,  performs a survey on the 1st and 3rd Wednesday of the
month, @ 7:01 GMT, this is after midnight local.
eliminates the need for the Survey Button.
 
 
How to SET the HW and comments
  
//  V7 update 05232020, consolated code
//  selectable LCD address ( 0x27 or 0x3F )  pin 5
//  LCD support on or off  pin 4
//  Auto survey 1st and 3rd Wednesday's
//  Survey upon reset
//  Added 3rd mode , time and 8 digit grid display
//
// Pin assignments - Uno
// GPS Serial  RX - 8(gps 4), TX - 9(gps 2)
// I2C A4, A5   - for I2C LCD interface
// Pin 2 - cycle display mode
// Pin 3 - initate Survey
// Pin 4 - Display Yes/No,  Ground for no attached display
// Pin 5 - Display Address 0x27 / 0x3F - Ground for 0x3F, open for 0x27