Midland CT990 instruction guide | 11
Receiving with CTCSS/DCS (RX QT/DQT) - Menu Utilities 7
CTCSS tones are similar to access codes and enable the radio to communi-
cate with the users that are tuned on the same channel and have set the same
CTCSS tone.
In frequency mode, press Menu Utilities + 7. The screen displays “RX QT/
DQT”.
Press Menu to enter the function. Press the ▲/▼ buttons or rotate the en-
coder to turn o this function or to select a CTCSS tone from 67.0Hz to
254.1Hz.
Press Menu to confirm and Back to return to standby mode.
NOTE: To quickly access the tones, press 1 for CTCSS, 2 for DCS (normal) and 3
for DCS (inverted).
Transmitting with CTCSS tones (TX QT/DQT) - Menu Utilities 8
In Standby mode press Menu Utilities + 8; the display will show “TX QT/DQT”.
Press Menu to enter the function. Push the ▼/▲ controls or turn the encoder
to disable the function (OFF), to select a CTCSS/DCS tone between 67.0Hz
and 254.1Hz or between D023N and D754I.
Confirm by pushing Menu and Back to return in stand-by condition.
Receiving and transmitting with the same CTCSS/DCS tone -
Menu Utilities 9
In Standby mode push Menu Utilities + 9; “RX/TX QT/DQT” will appear on
the display.
Press Menu to enter the function. Press ▼/▲ or rotate the encoder to disable
the function (OFF) , select a CTCSS/DCS tone included between 67.0Hz
and 254.1Hz or between D023N and D754I.
Push Menu for confirmation and then Back to return in standby condition.
DQT mode - Menu Utilities 10
The DQT mode guarantees privacy in your conversations.
To use this function, also the radio of the other part must be supplied with DQT
and must be tuned on the same DCS code.
In Standby mode press Menu Utilities + 10 to enter DQT.
By default Normal is activated. Select Special to enable privacy in your con-
versations.
Press Menu to confirm the setting and then Back to return in standy condition.
