Midland ER300 - Emergency Signals; Audio Output

Midland ER300 | 13
SOS Morse Code Flashlight Beacon
To enable the SOS feature, press the flashlight button 3 times. The SOS
Morse Code is: 3 short flashes, 3 long flashes, and 3 short flashes.
To turn off the SOS feature, press the flashlight button
.
Ultrasonic Dog Whistle
The ultrasonic dog whistle may assist search and rescue teams to locate indi-
viduals during an emergency situation.
To enable the ultrasonic dog whistle, press and hold the
button for 2 se-
conds. The
icon will be lit in the upper right corner of the LCD screen.
To turn off the ultrasonic dog whistle, press any button on the radio.
Using the Headphone Jack
Plug in a set of optional headphones (also headphones for smartphones) that
have a 3,5mm stereo plug.