User`s manual

100-M0145X2 16 of 36
www.cobham.com/gms
4.5.2 RX Configuration
In this submenu the user can select the Configurations 1 to 16. Refer to section Error! Reference
source not found. for details. The change will take place only after pressing ENTR. Second line
displays the frequency in MHz’s.
4.5.3 OSD Control
This screen is available only in MPEG2 or MPEG4 in Narrow Band Mode. On-Screen Display (OSD)
shows the RF reception status on the composite video signal when the system is processing MPEG2
video. It allows the user to select OFF, On Spectrum A or On Spectrum B by toggling  buttons.
Enter saves the selection.
4.5.4 RF Input Freq
In this submenu the user can change the RF Frequency in 0.1 MHz steps. Pressing ENTR will save
the frequency in the current configuration.
4.6 Genlock Setup
4.6.1 Genlock On/Off
The first display presents the user with the options to turn Genlock ON, OFF or to AUTO. If the
selection is ON and there is no reference signal or incorrect reference on the SYNC input (see
section 5.2.6) the red error LED on the front panel lights. Otherwise, if the reference is correct the
green LOCK LED on the front panel lights. The Genlock is disabled regardless of type of reference
signal on the SYNC input if this mode set to OFF. In AUTO mode Genlock automatically locks if
there is a reference signal on the SYNC in which it can lock to.
4.6.2 Genlock Offset
The next two displays give the user the option of adjusting the Genlock signal offset in terms of
pixels or lines. The number of pixels or lines is determined by the type of reference signal on the
SYNC input.
The remaining displays allow the user to either return to the MAIN menu or to the SETUP menu.
Once Genlock has been setup it can be monitored in the STATUS menu, see section 4.3.4. The
STATUS menu Genlock screen shows if Genlock is locked, if it is ON, OFF, or in AUTO mode, if a
reference signal is present (and the format), and the output video format the decoder is decoding.