Battery Status Indications

Probes

PRO3000 F50/F60: When the battery is low, the LED in the power filter button does not turn on.

PRO3000: When the battery is low, the speaker volume decreases. To test the battery, turn on the probe and toner and hold the probe’s tip near the toner’s RJ45 connector.

音频发生器

The LED above the power button will be Amber.