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, M, M - jap (Japan)
and N. See also audio carrier table.
Audio carrier table for IF reception
The given audio carrier frequencies are based on the respective
The video carrier frequency is 38.9 MHz without the return path option for each standard and can not be changed. With equipped return path option, the video carrier frequencies* are freely selectable.
Standard | Video carrier fre- | Audio carrier1 | Audio carrier2 | Stereo | NICAM | ||
| quency * | (sc1) | (sc2) | (sc1+sc2) | (nicam) | ||
| in IF position |
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B/G | 38.9 | MHz | sc1: | ||||
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L | 32.7 MHz, (38.9 MHz, | +6.50 MHz AM |
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| +5.85 MHz | ||
| 39.2 | MHz) |
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D/K | 37.0 | MHz, 38.0 MHz, | sc1: | ||||
| 38.9 | MHz |
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I | 38.9 | MHz, 39.5MHz |
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M | 45.75 | MHz | sc1: |
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M (Japan) | 45.75 | MHz, 58.75 MHz |
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N | 45.75 | MHz |
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The display in the third field is dependent on the previously selected FS standard. By pressing the third softkey, the following audio transmissions can be chosen:
•Audio carrier 1 (sc1)
•Audio carrier 2 (sc2)
•Stereo (sc1 + sc2)
•NICAM (nicam)
Level-dependent acoustic signal
In the function, „level beep,“ a acoustic signal is generated, whose pitch is propor- tional to the received signal level. With this signal, it is possible to optimally align the receiving antenna to a transmitter.
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