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Midland 278 MODIFICATION TO OPERATION 400CH | Radioaficion Ham Radio

Midland 278 MODIFICATION TO OPERATION 400CH

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CB Radio MIDLAND -  ALAN 278 PLUS MULTI

MODIFICATION TO OPERATION 400CH AND OTHERS BAND

- Open the radio and remove screw cap.

- Look for the three jumper OPT1,OPT2,OPT3, see you the photo

MIDLAND 278 PLUS MULTI MODIFICATION TO OPERATION 400CH

BAND

OPTI

OPT2

OPT3

SW

CLOSE

OPEN

OPEN

RU

CLOSE

OPEN

CLOSE

PX

CLOSE

CLOSE

OPEN

PC

CLOSE

OPEN

CLOSE

Selection the Band

- Power off the radio;

- Keep and hold the buttons 'AM/FM' and 'SCAN' then power on the radio.

- Turn the knob 'CHANNEL' and to select the band.

- Push the button 'AM/FM' to finish the selection.

INCRESE THE POWER OUTPUT 10W

Cut the green wire for ability the power output a 10 Watt. The trimmer power RV201. See you picture below

MIDLAND 278 PLUS MULTI MODIFICATION TO OPERATION 400CH

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