User's Manual

41
CALIBRATION PROCEDURE
- Instrument list
Description of the adjustment points
MEASURE INSTRUMENT
RF Signal level
- Spectrum Analyser
Frequency
- Spectrum Analyser
Audio
- Audio Generator
Modulation
- FM/AM Modulation Analyser
Limiter intervention
- Oscilloscope
COMPONENT DESCRIPTION
R1
MONO/RIGHT Audio Input level
R2
MPX Input level
R3
SCA1 Input level
R4
SCA2 Input level
R21
Modulation depth adjustment
R80
Indication of the RIGHT signal deviation on display (only if the stereo option is installed)
R81
Indication of the deviation on the display
R83
Indication of the Reflected Power on the display
R84
Indication of the Forward Power on the display
LP1, LP2
Notch and Low-pass Filter at 19 and 38kHz
OSC1
RF Signal output frequency calibration
JP1
If inserted, sets the MONO Input impedance to 600Ω
JP2
If inserted, enables the deviation limiter
JP3
If inserted, enables the 25µs pre-emphasis
JP4
If inserted, enables the 50µs pre-emphasis