Yaesu FRG-7 Digital User Manual

3
Contents
Introducon ............................................................................................................................................. 2
1 Built-in FRG-7 Digital ....................................................................................................................... 4
1.1 Package Contents FRG-7 Digital ............................................................................................... 4
1.2 Disassembling S-meter ............................................................................................................ 5
1.3 Digital display assembly ........................................................................................................... 5
1.4 Placement of TFT display ......................................................................................................... 7
1.5 Arduino nano and board assembly .......................................................................................... 9
2 Wiring ............................................................................................................................................ 11
2.1 Power supply ......................................................................................................................... 11
2.2 VFO signal .............................................................................................................................. 11
2.3 S-meter .................................................................................................................................. 12
2.4 LSB and USB readout ............................................................................................................. 12
2.5 Display ................................................................................................................................... 13
3 Using FRG-7 Digital ........................................................................................................................ 15
3.1 S-meter adjustment ............................................................................................................... 15
3.1.1 Adjustment with a broadcast transmier ..................................................................... 15
3.1.2 Adjustment with a signal generator .............................................................................. 15
3.1.3 Replacing analog S-meter .............................................................................................. 15
3.2 Display brightness .................................................................................................................. 16
3.3 Oset AM............................................................................................................................... 16
3.4 Oset SSB .............................................................................................................................. 18
3.4.1 Oset LSB ....................................................................................................................... 18
3.4.2 Oset USB ...................................................................................................................... 19
3.5 Oset removal of AM, LSB and USB ...................................................................................... 21
4 Counter calibraon ........................................................................................................................ 22
5 FRG-7 Digital schemac................................................................................................................. 23

Yaesu FRG-7 Digital Specifications

General

Brand	Yaesu
Model	FRG-7 Digital
Category	Receiver
Language	English