Midland CT890 instruction guide | 15
Scan / LAMP / SOS / Telealarm / Radio / Disable fun-
ctions with side key 3 (PF3) - MENU 20
The side key PF3 can enable the following functions:
• SCAN: Channel Scan
• LAMP: display backlight off
• SOS: SOS function
• TELEALARM: tele-alarm function
• RADIO: FM radio
• DISABLE: disabling the functions
1. Channel Scan:
In standby mode, press MENU + 20. The screen displays “PF3”.
Press MENU to enter the function. Press the ▲/▼ buttons or rotate
the encoder to select the desired function, then press MENU to con-
firm. To return to the standby mode press EXIT.
Once the function is enabled, press the Side key PF3 to enter the Scan
mode (Scan mode can be set through MENU + 14. To stop scanning,
press any key.
2. Display backlight off:
In standby mode, press MENU + 20. The screen displays “PF3”.
Press MENU to enter the function. Press the ▲/▼ buttons or rotate
the encoder to select LAMP, then press MENU to confirm.
To return to the standby mode press EXIT.
3. SOS:
In emergency situations, the SOS function transmits an SOS signal/
emergency calls. You will hear a beep and the two leds will alternately
blink. The emergency signal will be transmitted every 5 minutes, la-
sting for 10 seconds each time.
To stop transmitting, press PTT.
If a carrier signal is detected during the transmission interval, the ra-
dio switches to reception.
In standby mode, press MENU + 20. The screen displays “PF3”.
Press MENU to enter the function. Press the ▲/▼ buttons or rotate the
encoder to select SOS; the screen will display “SOS”.
