K D M 4 0 1 a I N S T R U C T I O N M A N U A L
PA G E 9
Carrier:
8K
Use the same steps as above to set the Carrier (2K, 8K) .
Constellation:
QAM64
Use the same steps as above to set the Constellation (QAM16*, QAM64) .
FEC:
7/8
Use the same steps as above to set the FEC (1/2, 2/3, 3/4, 5/6, 7/8) .
Guard Interval:
1/32
Use the same steps as above to set the Guard Interval (1/4, 1/8, 1/16, 1/32) .
Are you sure?
y
When the ‘Setup RF Output’ has been set, there will be a confirmation on the display .
Press or arrows to select YES or NO . Select ‘y’ for yes, all the settings above will
be stored in the memory . Select ‘n’ for no to cancel . Press the
OK button
to confirm .
* When selecting QAM16 please refer to Appendix B (recommended MPEG2 code rate) .
The minimum code rate must be greater than 17 .77 Mbps
RF OUTPUT ADVANCED
RF Output
Advanced
Following the main Submenu flow charts (pages 6 and 7) enter the ‘RF Output Advanced’ mode .
Freq Offset:
No Offset
Press the
OK button
to enter Freq Offset . Press the
OK button
to access Freq Offset
adjustment mode . Use the or arrows to set the offset . Press the
OK button
to save .
(No offset, +/- 125, 250, 375 kHz)
RF Output:
ENABLE
Use the same steps as above to Enable/Disable the RF Output Enable mode .
Are you sure?
y
When the ‘RF Output Advanced’ has been set, there will be a confirmation on the display .
Press or arrows to select YES or NO . Select ‘
y’
for yes, all the settings above will be
stored in the memory . Select ‘
n’
for no to cancel . Press the
OK button
to confirm .
QUICK SETUP
RF Output
Quick Setup
Following the main Submenu flow charts (pages 6 and 7) enter the ‘Quick Setup’ mode
MOD Number:
0
Press
the
OK button
to access the adjustment mode .
Press or arrows to change the Modular Number .
NOTE:
When setting up multiple modulators, each modulator should have a different number to
avoid tuning conflicts .
MOD Number:
1
