Color test, Echo-1 test – Furuno CSH-5 MARK-2 User Manual
Page 62

56
Color Test
The color test checks for proper display of all colors.
COLOR TEST
PRESS [MENU] 2 or 3 SECONDS TO STOP SELFCHECK
16 Color display
WHT
RED
GRN
Echo-1 Test
The echo-1 test checks echo processing circuits in the display unit for
proper operation.
DISPLAY ECHO TEST
PRESS [MENU] 2 or 3 SECONDS TO STOP SELFCHECK
R29
B358
°
R400
T10
°
G3.0
240
236
41
281
°
→
↓
B
→