Steren RAD-630, Instruction Manual, Page: 57 / 67

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17. Contrast
You can adjust contrast levels 0- 9, the default is 5.
Follow these steps:
A H
F
CH
F
Settings
Contrast
A H
F
Contrast
5
F
^ ^
Settings
A H
^ ^
18. Radio info
Show the current value of the voltage
Follow these steps:
A H
F
CH
F
Radio Info
Battery
A H
F
Battery
7.5V
F
^ ^
Settings
A H
^ ^
Press to save changes or press to exit.
F
E
Press to save changes or press to exit.
F
E