JRC JLR-30 - Stopping the Alarm Buzzer; Changing the Display

5-7
5.2.5 Stopping the Alarm Buzzer
Pressing the key silence the buzzer.
The buzzer sounds when one of the following occurs.
• Position measurement is interrupted
• Bearing measurement is interrupted
• An error occurs
5.2.6 Changing the Display
Each time the key is pressed, the screen display changes. (Refer to "4.1 Display Screen")