Promax MC-377+ Manuel D'utilisation page 62

Mesureur de niveau pour tv analogique et numérique
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INSTRUCTION MANUAL MC-377+.
MON./SPEC
[5]
Pressed key (MON.): Monitor Mode. The monitor [1] shows the demodulated
TV signal corresponding to the tuned frequency.
Released key (SPECT): Spectrum Analyser Mode. The monitor [1] shows a
frequency representation of the signal levels present in the band.
[6]
SPAN/MAX
Selects bandwidth represented in the Spectrum Analyser mode:
Pressed key (SPAN mode): Variable bandwidth, modified by the SPAN
control [23].
Released key (MAX mode): Maximum bandwidth (shows the complete band)
[7]
VLO
LOW VHF band selector.
[8]
VHI
HIGH VHF band selector.
[9]
UHF
UHF band selector.
[10]
SAT
Satellite intermediate frequency selector.
[11]
DIG
Digital channels measuring mode selector.
[12]
22 kHz
Activates the 22 kHz square signal superimposed onto the external unit supply
voltage.
[13]
VDC 0/13/18 V
[14]
10 dB Selects 10 dB attenuation in the terrestrial bands.
[15]
20 dB Selects 20 dB attenuation in the terrestrial bands
[16]
20 dB Selects 10 dB attenuation in the terrestrial and satellite bands.
When controls [14], [15] and [16] are selected simultaneously, the RF
attenuation is 50 dB in terrestrial bands.
[17]
LINE
Light indicator. Indicates whether the instrument is connected to the mains.
[18]
SHORT
Luminous indicator showing over-consumption by the external unit or short
circuit.
SAT
[19]
Satellite IF RF input and external unit powering (LNB) 0/13/18 V + 22 kHz
[20]
DRAIN
Page 16
Operating mode selector:
(Operational only in Spectrum Analyser mode)
External units power supply selector.
Luminous indicator showing the external unit normal consumption.
May 2001

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