Midland CT2000 instruction guide | 23
DTMF functions
The microphone keypad includes 12 numeric buttons and other 4 controls
(V/M, MON, MENU, FUN) suitable for operating in DTMF mode.
CT2000 can store up to:
• 16 customised DTMF codes (24 digits max),
• 16 2-tone DTMF codes,
• 16 5-tone DTMF codes.
CT2000 is supplied by default with 7 DTMF codes: 3 codes with a max of 24
digits, 1 code with 2 tones and 3 codes with 5 tones.
The DTMF code memories can be changed by means of the optional program-
ming software.
Transmitting a DTMF code
• Keep pressed PTT.
• In tx mode press the controls corresponding to your DTMF code.
• You will hear the code from the speaker of the radio.
Transmitting a memory DTMF code
• Select the desired customised DTMF code
• Access the radio menu and follow these steps:
MENUSignalDTMF List
• Select the desired DTMF code and confirm by pushing MENU or PTT.
• Keep pressed PTT; while you are transmittng, press UP.
Changing a memory DTMF code
• Select the DTMF code you want to change; you can choose amongst the
list of codes available on the radio.
• Enter the radio menu and follow these steps: MENUSignalDTMF List
• Select a new customised DTMF code and confirm by pushing MENU or
PTT
• Press FUN + 9.
• With the A/B button you can delete the content of DTMF.
• Enter the new DTMF code.
• To confirm your selection press UP on the front panel of the radio.
Changing the transmission time of DTMF codes
• Access the radio menu and follow these steps:
