JRC JMA-5206 Instruction Manual page 311

2) Buzzer Test
Checks for the operation panel buzzer.
Procedures 1 Press [2] key while the Keyboard Test
menu is open.
The buzzer will sound.
2 The buzzer will sound for a given
length of time.
Exit 1 Press [RADAR MENU] key.
The menu will be closed.
8.1 Performance Check
1. Key Test
2. Buzzer Test
3. Light
0. EXIT
8─10
Keyboard Test
8