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Midland 248 MODIFICATION | Radioaficion Ham Radio

Midland 248 MODIFICATION

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Midland 248 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 248 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.

TRIMMER LAYOUT MODULATION LEVEL AM/FM

Midland 248 MODIFICATION TO OPERATION 400CH

-RV901 AM modulation level trimmer -RV301 FM deviation level trimmer

INCREASE POWER OUTPUT 10W

Cut the wire to increase power output 10W and after adjusting in an anticlockwise the trimmer(RV 902)

Midland 248 MODIFICATION TO OPERATION 400CH

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