no hay métodos para modificar un mapa NT, Pamacol es custom MPC NT map.

[code]Mapset: Colombia 21.0
fat: 1000h - 1200h - 10000h, block 4096
maps: 13, sub-files 14

Sub-file fat length
00001453 MDR 1200h 25750042
00001453 SRT 4800h 968
I00005AD TYP 4A00h 301
date 30.04.2015 11:04:17, CP 1252, PID 1, FID 1453
I08DC800 GMP 4C00h 2715223
GMP: TRE RGN LBL NET NOD
map 8dc800 (9291776)
PID 1, FID 1453, region 1,1
date 29.04.2015 15:35:14
priority 24, parameters 1 4 23 5
levels [10,11,13,15,17,19,21,24], zoom [87,86,85,4,3,2,1,0]
N: 1.255746, S: -4.810166, W: -79.739799, E: -66.209450
Custom MPC Map
Copyright 1995-2015 by GARMIN Corporation.
CP 1252, Western European[/code]