Model MB400
midlandusa.com
Page 13
TROUBLESHOOTING GUIDE
No Power
Can’t
Receive
Messages
Charger Not
Functioning
1. Make sure the battery is fully charged and correctly installed.
2. Check the On/Off Volume control to make sure the radio is
turned on.
1. Confirm the radios are set to the same channel frequency
and privacy code setting.
2. Make sure you are within range of the other radio
(see About Range).
3. Make sure there are not any major obstructions between
you and the other radio (see About Range).
1. Make sure the contacts on the bottom of the radio are clean,
nothing in the way of making connection with the charger
contacts.
2. Make sure the charger is plugged in and the outlet has power.
3. Make sure the battery pack is installed properly.
Problem Solution
For further assistance, contact the Midland Customer Service Team at (816)
241-8500. Most problems can be remedied over the phone without returning
the radio for service.
SPECIFICATIONS
Channels: 16
Privacy Codes:142
Operating Frequency: UHF 450~470MHz Business & Industrial Pool Frequencies.
Power Source: 7.4VDC Li-ion Battery Pack
DEFAULT FREQUENCIES CHART
MB400 Owner's manual_3-4-2019.indd 13 3/5/19 1:57 PM
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