Norsat International Inc. NSLK3200 ユーザーズマニュアル

Page 18

           099-20003-01OM 

Norsat

The GPS Receiver connector is a multi-pin amphenol female connector.

The Baseband/IF unit performs the following functions:

Transmit power settings

Output power settings

Maintenance and indication

Setting transmission frequency

MPEG-2 encoding of user supplied video and audio

DVB-S compliant coding, interleaving, scrambling and modulation

Upconversion of the modulated signal to L-band

Reception of DVB-S compliant MPEG-2 TS

Display of transmitted video

Antenna pointing calculations

Spectrum Analyzer

The following sections provide descriptions and specifications for each of the
above listed functions. 

The transmit power settings are controlled via the 

T

RANSMITTER

 C

ONTROL

 panel

of the Norsat NewsLink GUI. The power can be entered manually, or via
transmit power quick keys which store assigned values for low and nominal
power. The low and nominal power levels of the for the quick keys are set in
the 

T

RANSMIT

 P

OWER

 panel of the Norsat NewsLink GUI.

If the desired output power setting is above 25 dBm, for both the 15 W and 25
W SSPA, the output power level will be maintained at its current level inde-
pendent of temperature drift. However, if the desired output power level is
below 25 dBm, the actual output power level may fluctuate with temperature.
The Antenna Alignment screen of the Norsat NewsLink GUI indicates the sig-
nal strength.

The transmission frequency setting is controlled via the 

T

RANSMITTER

 C

ONTROL

panel of the Norsat NewsLink GUI. The transmission frequency can be
entered manually, or via transmit frequency presets which store frequently
used transmit frequencies, and are set in the 

F

REQUENCY

 P

RESETS

 panel of the

Norsat NewsLink GUI.