Assessments - 3, GPA: 4.3
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Measuring the current level The following values are displayed in the display: Channel: S16 (special channel) Frequency: 266.25 MHz Analogue reception: A Current level: 79.5 dB.V An „A“ in front of the level display means, that the MSK 33 has be set to analogue level measurement. Even after exiting the menu, the MSK 33 stays set to ANALOGUE reception. For level measurement of digital TV signals, it can be switched over the digital reception in the DIGITAL menu (refer to the respective section). Selecting the colour standards PAL, SECAM and NTSC TV Operation TV DIGITAL menu DVB-C Calls up the previous menu Level-dependent acoustic signal In the function, “level beep,“ a acoustic signal is generated, whose pitch is proportional to the received signal level. With this signal, it is possible to optimally align the receiving antenna to a transmitter. In this menu, the receiving frequency can be changed using the cursor buttons, <>. In the RP menu, the receiving frequency can be changed in this manner. Selecting demodulation for DVB-C measurement ----TV MEASURE ALL---min/ max: 38.0/65.0 dB.V level beep measure MPEG PICTURE 70 S32 394.00MHz D65.0dB.V QAM64 mode > BACK With this button, the type of demodulation, QAM64, QAM128 or DOCSIS QAM64 QAM64 (Softkey designation = DOC64 Mode) is selected. The setting is taken over for the Mode . constellation analysis. Symbol rate entry For correct level measurement of digital signals, you can choose between 4 pre-set 6.900 symbol rates (In DVB-C mode: 6,900; 6,111; 6,952 and 6,875.). It is also possible, SR1 . to change the preset symbol rates by numerical entry. In the DVB-C range, symbol rates can be programmed from 0.5...7.2 Ms. This programming is taken over for the constellation analysis. With the [MHz] button, the entry is completed. For correct level measurement of signals, the correct symbol rate must be set! TV Operation DVB-T (optional) Calls up previous menu. Level-dependent acoustic signal In the function, „level beep,“ a acoustic signal is generated, whose pitch is proportional to the received signal level. With this signal, it is possible to optimally align the receiving antenna to a transmitter. In this menu, the receiving frequency can be changed using the cursor buttons, <>. Selecting channel bandwidths ----TV MEASURE ALL---min/ max: 38.0/65.0 dB.V level beep measure MPEG PICTURE 70 C21 474.00MHz D65.0dB.V chBW 8 MHz > BACK For correct level measurement of digital signals, you can choose between 3 chanchBW nel bandwidths (6, 7 and 8 MHz). This programming is taken over for the constella8MHz . tion analysis. For correct level measurement of the signals, the correct bandwidth must be set! MPEG decoder menu (OPTION) In this function, the PAT list (Program Association Table) and the respective PIDs MPEG (Packet Identifier) of the transportation stream are displayed. The desired programmes can be selected in this menu and represented on the screen (refer to „MPEG decoder“). Return Path IF Menu Return path IF menu ANALOG Menu IF CONTROL analog > IF MEASURE 70 TV-IF38.90MHz A65.0dB.V BACK RP CONTROL digit. DVB-C> RP MEASURE 70 RP 22.40 MHz A 65.0dB.V BACK RP-inv off RP frq In this menu, the video carriers -each according to optional assignment- can be measured on IF levels (38.9 MHz analogue and 36.15 MHz digital) or on the entire return path area (Optional return path card) from 4 MHz to 80 MHz. Each according to assignment, theMSK 33 answers with the IF menu or the optional return path menu (refer tostar marking). Entering a frequency of 7.00 MHz up to 80.00MHz* ..• RP frq The return path frequency can be entered in with the numerical button, „0...9,“ with the cursor buttons, <>, in 50 kHz increments. The frequency is displayed in the lower left-hand corner. Inverting the RF spectrum* RF-inv off . By pressing this button, he RF spectrum can be inverted. This mean, that the video and audio carrier for digital modulation, the I and Q vectors can be exchanged. analog > RP MEASURE Access the analogue menu with the buttons, “analog” and “RP MEASURE.” In this menu, settings and measurements of analogue signal are possible (For further information, refer to the TV Analog menu). DIGITAL menu digit. DVB-C> RP MEASURE Access the digital menu with the buttons, “digit. DVB-C” and “RP MEASURE”. In this menu, settings and measurements of the DVB-C signals are possible. IF demodulation if DVB-T signals is also possible (For further information, refer to the TV digital menu). IF CONTROL menu (RP-CONTROL*) In this menu, all remotely controlled parameters, such as remote feeding voltage, IF (RP) 22 kHz, DiSEqC, tone burst (simple DiSEqC), V-SEC, can be set (for further infor- CONTROLmation, refer to TV menu). Return Path IF Menu ANALOG menu In this menu, all settings for the measurement of the analogue IF signal with the frequency of 38.9 MHz can be made. Calls up the RP(IF) menu Selecting the standard With this softkey, the following standards can be selected: B/G, D/K, I, L,...
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