Muchas gracias Canter. Probaré a ver.

tras restaurar ajustes NO me abre el IGO. Pone un mensaje "Faile to open file:ui_igo8\loading_progressbar.bmp exiting application
No se si hace falta, pero el sys.ini de raiz pone:[folders]
app="Storage Card/iGO8"
[loading]
show_statustext=1
show_progressbar=1
progressbar_x=62
progressbar_y=174
;progressbar_bmp="loading_progressbar.bmp"
;loading_bmp="loading.bmp"
[interface]
maxzoom2d=6000000
show_exit=1
shutdown_time=0
[gps]
port=7
baud=57600
[sound]
queue_length=200
ding=1
sound_volume=255
voice_volume=255
[map]
auto_nightmode=1
3d_max_tiltlevel=8250
3d_max_zoomlevel = 500
fake2d_max_zoomlevel = 3000
3d_zfar_horizon_ratio = 200
roadblockicon_maxzoom = 2000
3d_max_zfar = 500
[warning]
approach_beep_distances=200
warn_distances=100
section_beep_distance=200
speedcam_max_angle=10
speedcam_snap_distance=200
speedcam_max_lookahead=400
speedcam_maxdistance_from_road=10
[tts]
tts_buffer=131072
announce_exit_directions=1
tts_logics=3
priority="HIGH"
always_say_road_names=1
Dentro del data zip he encontrado varios directorios que SI son o se llaman 480x272 que es la medida del triton
Si sabes donde tengo que modificar te lo agradeceria
