Basic operations, Supplied antenna, Turn on and off the power – MIDLAND CT 200_400 User Manual
Page 6: Adjusting volume, Transmitting/receiving, Emergency alarm, Repeater tone, Keypad lock

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Basic operations
Supplied antenna
Insert.the.base.of.the.supplied.antenna.into.the.SMA.connector.
and rotate it clockwise. Make sure the antenna has set down.
Take out the antenna from the base by rotating it counter-
clockwise rotation.
Turn on and off the power
If.you.want.to.turn.on.the.power,.rotate.the.
PWR/VOL knob
clockwise until a beep is heard. All icons and frequencies
appear.on.the.screen..You.can.adjust.your.desired.volume.by.
turning the knob.
To. turn. off. the. power,. rotate. the.
PWR/VOL knob counter-
clockwise rotation. All the icons on the display will disappear
and.the.radio.is.off.
Adjusting volume
After.turning.on.the.radio,.rotate.the.
PWR/VOL knob clockwise
to increase the volume and counter -clockwise to decrease.
Transmitting/Receiving
Firstly, hold down briefly the
MONI button to make sure that
the. frequency. is. not. busy. and. then. press. the.
PTT. Speak
4/10cm far from the unit.
The TX indicator lights up.
Release.the.
PTT key to receive.
Emergency Alarm
Hold down the
CALL key for 1 second and press MONI: the
radio.will.switch.to.emergency.alarm.
Repeater tone
When you press any key, a note at 1750Hz is generated.
It gives the possibility to link to repeaters.
Keypad Lock
To Lock or unlock the buttons.
In.channel/Frequency.mode,.press.and.hold.down.the.
key for two seconds. The keypad will lock. Repeat the same
procedure to unlock it.