User's Manual

Innovator CHV400BTD ATSC Transmitter Initial On Site
Turn On Procedure
Technical Manual, Rev. 0 35
Interface Jack J12 located on the rear panel of the Exciter/Driver Tray. Changes
should only be made while the transmitter is in standby. Contact Axcera Field
Service before using this menu.
With a Channel or Custom Frequency screen displayed, the Channel type can be
set to the American Channel, European Channel, Custom UHF Frequency or Custom
VHF Frequency by first pushing the enter button. This will cause the channel type
to blink. Pushing the Up or Down Arrow Key will display each Channel type screen
in sequence. When the desired screen is displayed pushing the Enter Button will
cause the display to become steady. This displayed channel type is now used in
the following screen to configure the Upconverter PLL circuits.
Table 11.4.2: Upconverter Channel Selection Screen (BTD/BRD)
The above screen is displayed when the Down Arrow is pushed at the channel type
selection screen. It will indicate the Channel currently selected and the center
frequency of the selected channel. The display will not be blinking. Pushing the
Down Button will display the Upconverter IF Frequency Selection Screen. NOTES:
The Upconverter transmit channel should not be changed, unless the transmitter is
being converted from one channel to another. Changes should only be made while
the transmitter is in standby. Contact Axcera Field Service before using this menu.
To change the Channel, the enter button must be pushed. This will cause the
Channel number to blink. Pushing the Up or Down Arrow Key will display each
Channel in sequence. To enter a custom Center Frequency, press the Right or Left
Key to select the value to change. The Up or Down Arrow will adjust the value
selected. When the desired Channel and Center Frequency are set, pushing the
Enter Button will cause the display to become steady. This displayed Channel and
corresponding Center frequency is now the upconverter output.
When exiting the set up menus a prompt will inform you that the Enter Key must
be pushed to accept the changes that were made.
Table 11.4.3: Upconverter IF Frequency Selection Screen
The transmit channel IF Frequency should not be changed, unless the transmitter
is being converted from one digital IF Frequency to another. The IF Frequency can
be changed to 36 MHz or 44 MHz by pushing the Up or Down Arrow. The IF
Frequency for all DVB transmitters should be 44 MHz. NOTES: Changes should
only be made while the transmitter is in standby. Contact Axcera Field Service
before using this menu.
Table 11.5:Downconverter Main Set Up Menu Screen
NOTE: This screen is only present when an Axciter is part of the system.
This is the System Set Up Downconverter Main Sub Screen. Push the ENTER button to
access the Set Up Downconverter submenu or push the LEFT Arrow to go back the
Main Downconverter Set Up Screen. Push the LEFT Arrow again to go back the Main
System Set Up Screen.