Qam Constellation Diagram - Promax PROLINK-4/4C Premium Manual De Instrucciones

USER'S MANUAL. PROLINK-4/4C
TEST NAME
SINC. P
1.1
(TS_sync_loss)
SINC. B
1.2
(Sync_byte_error)
1.3
PAT (PAT_error)
2.1
TEI (Transport_error)
Once an acquisition has been initiated, the instrument automatically passes to
MANUAL POWER mode to aid acquisition over the long term. To finish acquisition,
press the rotary selector [4] over the Stop option, then appears a validation request
message, to press the key
acquisition. The interruption of an acquisition supposes its definitive conclusion.
The first line on the screen shows the events that have been detected once at
least from the acquisition beginning. Should any of the events on table 2 be produced,
these will be displayed cyclically, indicating the number in case of being W.P. class, i.e.
non-correctable packets. Turn the rotary selector [4] to access the list of events
recorded in different pages.
To leave the screen once you have finished the acquisition, use key
select Exit and press the rotary selector.

4.9.1.5.5 QAM Constellation Diagram

To select the QAM Constellation Diagram mode:
1) Select the TV operating mode. If present operating mode is the spectrum analyser
mode press key
2) Select the terrestrial band for the measurement of QAM modulated signals.
Available frequency ranges are:
QAM signals
3) Select the DIGITAL operating mode by means of the key
06/2005
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Loss of synchronization with consideration of hysteresis
parameters.
Sync_byte not equal 0x47.
PID 0x0000 does not occur at least every 0.5 s.
A PID 0x0000 does not contain a table_id 0x00
(i.e. a PAT)
Scrambling_control_field is not 00 for PID 0x0000.
Transport_error_indicator in the TS-Header is set to "1".
Table 2.- Description of W.P. available tests.
[31] and the rotary selector [4] for finishing the running
[21].
47 MHz to 862 MHz
CHARACTERISTICS
[20].
[31] to
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