Furuno NAVIONICS GP-1850F - Manual (Page 95)

13-5
Keyboard test
This test checks all controls for proper op-
eration.
1. Press the [MENU] followed by the soft
keys CONFIGURATION, SYSTEM
MENU and SELF TEST to display the self
test menu.
2. Press the soft key KEYBOARD TEST to
display the screen for testing the key-
board.
KEYBOAD
TEST
PRESS
"CLEAR" KEY
3 TIMES
TO RETURN.
▲
▲
▲
▲
Figure 13-5 Keyboard test
3. Press the any key. The pressed key’s on-
screen location turns black if the key is
functioning properly.
4. To escape, press the [CLEAR] key three
times.
Display test
1. Press the [MENU] key followed by the soft
keys CONFIGURATION, SYSTEM
MENU and SELF TEST to display the self
test menu.
2. Press the soft key TEST PATTERN to
open the test pattern display.
3. Press the [ENTER] key to change the test
pattern.
TEST PATTERN
WHT GRN BLU BLK
WHT
RED
GRN
BLU
BLK
RED
PRESS "ENTER" TO CHANGE PATTERN RETURN
Figure 13-6 Display test pattern