Table of Contents
Advertisement
D*AP8
Current Measurement
MPX Power 60s (dBr)
Pre-Emphasis Limiter (%)
True Peak Limiter
Gain Reduction (dB)
Reset Max
Duration
MPX Power 60s Max (dBr)
Gain Reduction Max (dB)
Recent Measurement
Duration
MPX Power 60s Max (dBr)
Gain Reduction Max (dB)
In the next section the operator can set the audio relevant parameters of the FM conditioning process:
FM Conditioner
Setup Gain (dB)
Pre-Emphasis
Headroom (dB)
MPX Limiter Profile
True Peak Limiter
Profile
True Peak Max (dBTP)
The expert mode allows the administrator to set up the parameters of the transmitter and to turn
the MPX Limiter on or off.
Expert
Pre-Emphasis
Operating Level (dBFS)
Peak Deviation Target (kHz) [35.0 ... 75.0 ... 80.0]
Pilot Deviation (kHz)
RDS Deviation (kHz)
SCA Deviation (kHz)
Resulting Ceiling (dBFS)
MPX Limiter
Reference (dBr)
Low Pass Filter (15kHz)
[1L/1R, 2L/2R, 3L/3R and 4L/4R]
current MPX power
bar graph to show the percentage of high frequency filtering applied
bar graph (duplicates the GUI top display)
<reset max>
soft button resets Duration, MPX Power (60s) Max and
Gain Reduction Max
elapsed time since <reset max> was depressed
current maximum MPX power
current maximum gain reduction
elapsed time of recent measurement since <reset max> was
previously depressed
maximum MPX power value detected
maximum gain reduction applied by the MPX limiter
[ON / OFF]
[-4.0 ... 0.0 ... 10.0]
can be used to adapt loudness processed signals to MPX criteria or
level matching
[0.0 ... 2.0 ... 15.0]
[Soft / Mid / Hard]
[0 / 1 Live / 2 Speech /
3 Pop / 4 Uni / 5 / 6 Classic /
7 / 8 / 9]
[read only]
[ON / OFF]
[OFF / 50µs / 75µs]
[-15.0 ... -9.0 ... -6.0]
[0.0 ... 6.0 ... 15.0]
[0.0 ... 2.0 ... 4.0]
[0.0 ... 15.0]
calculated from the operating level, the sub-carrier (pilot-tone) and the
respective RDS and SCA deviation
[OFF / ON]
[-4.0 ... 0.0 ... 4.0]
[OFF / ON]
81
Advertisement
Table of Contents
