JRC JMA-5220-7 - Page 312

8─11
3) Light
Checks for the operation panel light.
Procedures 1 Press [3] key while the Keyboard Test
menu is open.
The brightness of the operation panel is
gradually intensified at four levels.
Exit 1 Press [RADAR MENU] key.
The menu will be closed.
Keyboard Test
1. Key Test
2. Buzzer Test
3. Light
0. EXIT