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Midland CT990 instruction guide
Troubleshooting
PROBLEM
SOLUTION
The radio doesn’t switch on
The battery may be exhausted. Recharge
it.
Uncorrected installation. Re-install it.
Battery recharge doesn’t last
long
The battery pack is over. Change it with a
new one. Battery pack is not completely
charged.
Reception led turns on but no
sound heard
Make sure the volume is not too low.
Make sure to have the same CTCSS and
DCS codes of your group
The keypad doesn’t work
Keypad lock function hasn’t been enabled
Reception of other group signal
while transmitting
Change another CTCSS/DCS for your
group