Furuno CSH-23 - Manual (Page 89)

13-1
SELF TESTS
The CSH-23/24 has various self tests to check it for proper op-
eration. If a test reveals equipment malfunction do not attempt
to check inside the equipment. There are no user serviceable
parts inside the equipment.
Do not open the cover.
There are no user-serviceable
parts inside. Refer any repair
work to a qualified technician.
WARNING
Opening the Self Test Menu
1. Turn on the power while pressing and holding down the
MENU key.
2. Press arrow keys to select SELF TEST.
INIT/SET MENU SELF TEST
Select item with dc keys and press MENU key.
Single
Continuous
Panel
Execute
Execute
Execute
Color
Gray
SIO
Execute
Execute
Execute
Figure 13-1 SELF test menu
3. Press up or down arrow key to select test desired.
4. Press the MENU key to start test.