Operating Instructions - Promax 8 plus Manual Del Usuario Y Operador

INSTRUCTION MANUEL. PROMAX-8+
[14]
Access to CONFIGURATION menus specific to each operating mode and to the
global configuration menu of the unit..
[15]
Selects the DATA LOGGER operating mode. Enables multiple measurements to
be taken, visualised, printed or transferred to a PC automatically.
[16]
On/Off key.
4.2

Operating instructions

The PROMAX-8+ has 6 independent operating modes:
The CHANNEL-FREQUENCY operating mode measures the video carrier
level, the Carrier/Noise ratio (C/N), the Video/Audio ratio (V/A) and activates
audio carrier demodulation for analogue channels; as well as measuring the
channel power and the Carrier/Noise ratio (C/N) for digital channels. It also
permits to measure the CSO and CTB intermodulation distortion.
The DATA LOGGER operating mode enables multiple measurements to be
performed and memorised for subsequent checking, transfer to PC or
printing. It can perform and store up to 55 obtained measurements or loggers
in the memory. Each logger carries out level, C/N and V/A measurements on
the channels activated in the channel plan (up to a maximum of 140
channels).
The SCAN operating mode shows the signal level of all channels present on
the chosen frequency band in a bar-graph display. The span and the
reference level may be selected through the rotary selector. In addition, a
moving marker shows the numeric level of any specific channel. This mode
also permits to define the pilot channels, used for the TILT measurement
(only in the forward band).
This key permits to accede to 2 operating modes:
The SPECTRUM ANALYSER mode provides a spectrum analysis over the
entire band in two parts: reverse band or sub-band (5 to 100 MHz) and
forward band (5 to 862 MHz). The span is user definable between 1 and 100
MHz. In addition, it is possible to change the reference level, and maximum
and minimum levels may be detected and held for INGRESS
measurements.
In the TRANSIENT DETECTOR mode, the PROMAX-8+ operates as a
transitory counter in the reverse band. The level detection threshold and the
frequency margin are user definable.
May 2001 Page 15