Furuno NX-700A/B manual Replacement of Fuse, Battery and Thermal Paper, LCD Display

3. MAINTENANCE & TROUBLESHOOTING

3.2Replacement of Fuse, Battery and Thermal Paper

Fuse

The fuse inside the receiver unit protects the equipment from overcurrent or reverse polarity. If the fuse blows, contact your dealer about replacement.

Name	Type	Code No.
Fuse	FGMB 125V 2A PBF	000-157-479-10

WARNING

Use the proper fuse.

Use of a wrong fuse can result in damage to the equipment or cause fire.

Battery

A battery is installed inside the display unit, and it preserves data when the power is turned off. The life of the battery is about 5-10 years, and its voltage is checked when the power is turned on. When its voltage is low, the BATTERY

() icon appears on the display to alert you. When this happens, contact your dealer to request replacement of the battery.

Note: When the battery is dead, all default settings are restored.

Name	Type	Code No.
BATT	CR2450-F2ST2L	000-144-941

WARNING

Ensure battery polarity is correct.

Wrong polarity may cause the batteries to explode.

LCD Display

The life of the LCD is approx. 20,000 hour. When the LCD has expired, the brilliance cannot be raised.

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