User's Manual

Innovator CU0TD-1/CU0RD-1 – CU4TD/CU4RD Initial On Site
ATSC Transmitter/Regenerative Translator Turn On Procedure
Instruction Manual, Rev. 1 46
from one channel to another. The SETUP 1 or SETUP 2 selection is controlled by
a Low, ground, for SETUP 2 or a High, open, for SETUP 1 at J12-7, on the
Remote Interface Jack J12 located on the rear panel of the Exciter/Driver Drawer.
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 (TD/RD)
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
typical IF Frequency for an ATSC transmitter is 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