Mozart series calibrating procedure
16 /19
CHECK FOR RF SPURIOUS AND HARMONICS
a)
Press RF ON/OFF button on the front panel to enable the RF (if it’s disabled).
b)
On the display go to Voltages and current page (by pressing down button) and control the
values of power consumption.
Fig. 19 – Voltage and current menu
c)
Connect a spectrum analyzer to the amplifier and check for spurious and harmonics
if are within the limits.
d)
Press RF ON/OFF button on the front panel to disable the RF.
Note: this procedure must be made for all frequency: 87.5MHz, 98MHz and 108MHz.
To change the frequency go to main “[01] Frequency” on the display, set the frequency and
confirm by pressing OK button.
e)
After the procedure has been made for all frequency, set the frequency back to
98MHz.
SET THE FOLDBACK REFL AND REFL WARNING ALARMS
a)
Go to “[02] Power Fwd” menu on the display and set the “Set Pout” to 25% of
maximum FWD power (ex: if Mozart 1000, set the Pout to 250W).
b)
Go to “[07] Alarms” menu on the display and set the Foldback REFL to 100%.
Fig. 20 – Set Fold back REFL
