GSS HDMA 784 C ASI, Руководство по сборке

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- 19 - HDMA 784 C ASI
Channel setting (S21 … C69; only modulators "A" and "C"):
Bx 4A
C66 FREQ
834.00 MHz
FREQ
850.00 MHz
Bx 4C
C68
—> The channel setting is only possible at modulators "A" and "C".
• Use buttons to select the cursor position for channel setting.
• Use buttons to adjust the desired channel.
—> The modulators "B" and "D" by default are fixed to a spacing of
+ 8 MHz to the modulators "A" and "C" (forced adjacent channel
setting). Only this spacing to the modulators "A" and "C" can be set
via the frequency setting.
Frequency setting (42,0 MHz … 860,0 MHz; modulators "A" … "D"):
FREQ
834.00 MHz
Bx 4A
C66 A <–> B
842.00 MHz
Bx 4B
C67 FREQ
850.00 MHz
Bx 4C
C68 C <–> D
858.00 MHz
Bx 4D
C69
—> For modulators "A" and "C" any frequency (42,0 MHz …
860,0 MHz) can be set via the frequency setting.
For modulators "B" and "D" only this spacing to the modulators "A"
and "C" can be set via the frequency setting.
• Use buttons to select the cursor position for frequency setting.
• Use buttons to adjust the desired frequency.
• Press the button.
—> The "Output symbol rate, QAM modulation" – " QAM-MODE " sub-
menu is activated.