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
”.