Maintenance Mode - Fluke 377 Manual

Maintenance Mode

In Maintenance Mode you can check:
• LCD segments
• Firmware version
• Battery status annunciators
• Fluke Connect LED
• Backlight
To enter Maintenance Mode:
1. Turn off the Clamp.
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2. Push and hold as you turn the control knob to
The Clamp goes into the option mode.
B
3. Push until nmAt nm0d
All LCD segments turn on and the backlight turns off.
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4. Release .
All LCD segments continue to show on the display.
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5. Press again to show the firmware version.
V
.
shows on the display.
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6. Continue to press to cycle through:
• Empty battery annunciator
• 25 % battery annunciator
• 50 % battery annunciator
• 75% battery annunciator
• Blue LED + live battery annunciator (for FC model only,
step is skipped for non-FC model)
• White backlight + live battery annunciator
• Green backlight + live battery annunciator
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7. Press again to show
For more information about calibration, see the
377/377 FC/378/378 FC Calibration Manual.
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8. Press again to loop back to show all LCD segments
(step 4).
To exit Maintenance Mode at any time, turn off the Meter.
Clamp Meter
CAL on the display.
Power
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