Hitachi EC702HP Operation Manual page 106

Section 5 - System Operation Manual
(E-Compact ATSC Transmitters - EC701HP thru EC708HP)
Use the keys  or  to enable or disable the Mute. Hit key "" to view the next screen.
5.5.3
This software feature adjusts numerical values related with the amplitude and phase optimized
for maximum image frequency suppression on the superior side band spectrum region. An RF
sample for monitoring purposes must be taken before the output mask filter.
The amplitude values are shown in dB, and the phase related values ar shown in degress.
Starting at the setup menu screen [1000], select Image Frequency Suppression and press
ENTER.
When accessing this screen, by selecting option "YES", the operator will be responsible
for the changes done on this parameter, as well as the effects that these changes may
cause in the equipment if not using the appropriate instruments and test point.
To access the screen Image Frequency Suppression, select YES using the keys  or .
Selecting NO, the software goes to the previous screen.
Manual Rev. 0.0 - August 2016
>
>
Use the keys  or  to select the option.
Press key ESC to return to Setup Menu.
Image Frequency Suppression
> >
The screen below will appear.
ATTENTION
5-16