JRC JLR-20 User Manual

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5.4 Maintenance Menu
Use the Main Menu to confirm or change function settings.
Press and hold both and for 3 seconds or more to display the Maintenance Main Menu.
1. While holding down the key, press and hold the key for 3 seconds or more.
2. Use the keys to select an item, and press the key.
The Maintenance Menu disappears if one of the following is done.
• The key is pressed.
• The power is turned off.
The following submenus are available.
• ANT CHECK: (Refer to 5.4.1) Displays sensor information.
• INPUT CHECK: (Refer to 5.4.2) Displays input information.
• DIAGNOSIS: (Refer to 5.4.3) Performs self-diagnosis on equipment.
• DEMO: (Refer to 5.4.4) Initiates equipment demonstration.
• PRODUCT TYPE: (Refer to 5.4.5) Sets unit as subdisplay,confirm the equipment number.
• RESET: (Refer to 5.4.6) Restores all settings to their factory defaults.
• SOFT UPDATE: (Refer to 5.4.7) Updates software.
Maintenance Main Menu
Procedure
Memo
Press and hold both and

JRC JLR-20 Specifications

General

Brand	JRC
Model	JLR-20
Category	Marine GPS System
Language	English