User manual

SETUP OF MPX OUTPUT (FM version only) ENG
Page 50
25.2 MPX OUTPUT PREEMPHASIS (FM VERSION ONLY)*
The Mpx output is with pre-emphasis always engaged, accordingly to the destination country (50 or 75 uSec).
If, for some reason, the unit is to be operated at a preemphasis time which is different to that as supplied, set the proper
pre-emphasis time through the menu:
DEFAULT SCREEN
OUTPUT CALIBRATION menu
PREEMPHASIS
75uSec External
Not available on the Mpx output
75uSec Internal
75 uSec pre-emphasis
50uSec External
Not available on the Mpx output
50uSec Internal
50 uSec pre-emphasis
25.3 PILOT CALIBRATION (FM VERSION ONLY) *
*the MPX module is available as an option
The 19 kHz pilot signal level and phase (necessary for any stereo broadcast) may be adjusted via the MPX Module
menu page.
DEFAULT SCREEN
OPTIONAL CONTROLS menu
MPX MODULE menu
PILOT LEVEL (or PILOT PHASE)
- Pilot Level: The default is set to – 20 dB compared to the overall Stereo Composite MPX signal. Use the shuttle to
change this level within the range of –23 dB to –17.25 dB, in 0.25 dB steps. The pilot signal may also be disabled by
turning the shuttle counter-clockwise to Off.
- Pilot Phase may be adjusted from –6.0 to +6.0 degrees (Deg) in 0.5-degree steps.
NOTE: The overall MPX Out output level may only
be adjusted by means of the trimmer next to the corresponding
connector. The adjustment range is -inf to+12dBm (factory preset: 0 dBm).