Complete the sentences with the words from the box

lost tracking · dead zone · last known location · phone battery · track down · went dark · tracking link · no signal · call the driver · locate · ping · ping a truck

• When the broker ____ on Unit 402, he called dispatch immediately.
• I sent the customer a ____ so they could check the load location.
• The GPS device sends an automated ____ every fifteen minutes.
• The dispatcher decided to ____ manually after it stopped updating.
• The trailer disappeared from the map because it entered a ____ in the mountains.
• There was ____ in the valley, so the driver could not send updates.
• His ____ died before he could report his arrival time.
• The ELD unit ____ after the driver accidentally disconnected the cable.
• The map only displayed the ____ near the state border.
• The broker agent managed to ____ the missing vehicle in Atlanta.
• It took two hours for dispatch to ____ the delayed driver.
• When the system stops updating, the best step is to ____ directly.

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