User manual

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FM RADIO FUNCTION

1) On/off radio receiver

Under standby mode, press [ ] to open FM radio function, LCD

display “70.00M”, then press [ ] again, radios receiver is off.

Note: under FM radio mode, if receiving the signal, the radio will be out

of FM mode, after 5S, it will be back to FM mode when the signals

disappear.

2) Mode selection:

Under FM radio mode, press [ ] to switch between FM memory

mode and FM frequency mode (this function is unavailable when

there is not FM memory channel)

3) Frequency selecting

Under FM frequency mode, input the digits directly by keypad or

press [ ] or [ ] to choose the desired frequency. Under FM

memory mode, press [ ] or [ ] to choose the desired channel.

4) FM radio search:

Under FM radio mode, press [ ] + [ ], then press [ ]

again to enter FM radio scanning, you will see “

RADIO SEEK.UP”

in the screen, press [ ] or [ ] to change scanning direction.

Radio will stop scanning when frequency is available and then exits.

If you rotate the encoder knob, it will scan again; press any key

except [ ] or [ ] and [ ] to exit.

5) FM radio storage

Under FM frequency mode, press [ ] and then press[ ],

the channel number for storage blinks at the right of the screen.

press [ ] or [ ] or use number key to select the desired

channel number, press [ ] to confirm and then back to the

receiving mode.

6) FM radio channel delete:

Under FM memory mode, turn off the radio, press [ ] to turn

on the radio, you will see “DEL ?” in the screen and the channel

number blinks. press [ ] or [ ] to choose the channel

number you want to delete, press [ ] to confirm. Repeat this

operation, you can delete all memory channel, 25 in maximum.

Prepare 2sets of AHT-28-V/AHT-78-U, 1pcs specific wired cloning cable.

Master radio (sending messages when in wired cloning)

Deputy radio (receiving and storing messages when in wired cloning)

Steps of wired clone

The deputy radio normally power on. Connect master and deputy

one with the wired cloning cable.

Press PTT and [ ] to turn on the master radio, enter the wired

WIRE CLONE8)