Channel deletion (del-ch) ------ menu 28, Reset ---- menu 29, Ctcss/dcs frequency scan (scn cd) ------ menu 30 – MIDLAND CT790 User Manual

Page 12: Dtmf encoding, Reverse frequency function

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CHANNEL DELETION (DEL-CH) ------ MENU 28

In standby mode, press

MENU + 28; the screen will display “DEL-CH”.

Press

MENU to enter the function. Press the ▲/▼ buttons to select the channel you want to dele-

te, then press

MENU to confirm. To return to the standby mode press EXIT.

RESET ---- MENU 29

This transceiver has two Reset modes available:

VFO and ALL.

RESET VFO: all the parameters of the functions will return on the default set.

RESET ALL: all settings of the transceiver return on the default set.

1. Reset (VFO):

In standby mode, press

MENU + 29; the screen will display “RESET”.

Press

MENU to enter the function. Press the ▲/▼ buttons to select VFO, then press MENU to

confirm. The display will show “

RESET SOURE?”. Press MENU again to confirm and the screen

will display “

RESET WAIT”. After have set the Reset, the transceiver will auto power off and reboot

again.

2. Reset (ALL)

In standby mode, press

MENU + 29. The screen displays “RESET”.

Press

MENU to enter the function. Press the ▲/▼ buttons to select ALL, then press MENU to

confirm. The display will show “

RESET SOURE?”. Press MENU again to confirm; the screen will

display “

RESET WAIT”. After have set the Reset, the transceiver will auto power off and reboot

again.

CTCSS/DCS FREQUENCY SCAN (SCN CD) ------ MENU 30

This function enable the scan of all CTCSS or DCS frequency codes.

When the transceiver is in receiving mode, press

MENU + 30, the screen displays “SCN CD

Press

MENU to enter the function. Press the ▲/▼ buttons to select to scan CTCSS or DCS, then

press

MENU to confirm. The transceiver starts scanning CTCSS/DCS frequencies.

NOTES:

This function cannot work under channel mode.

The function cannot start up without detecting signals.

Press the ▲/▼ buttons to reverse the scanning direction.

Only when the band pointed by the arrow receives signals, the transceiver can enter the CTCSS/

DCS frequency scan function.

DTMF ENCODING

MENU,▲,▼, EXIT correspond to A, B, C, D on DTMF

To dial up manually: press

PTT to transmit, then press the corresponding key. The DTMF tone is

sent out.

REVERSE FREQUENCY FUNCTION

Using the Reverse frequency function, the transmitting and receiving frequencies can be inter-

changed, and the CTCSS and DCS codes will interchange either.

In standby mode, press SCAN to turn on the Reverse frequency function; press

SCAN again to

turn off.

NOTE:

Ensure to set the frequency shift direction first

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