Promax PROMAX 12 is a multifunctional device that combines the capabilities of several instruments into one compact and portable unit. It can be used for a wide range of tasks, including:
- Channel and frequency tuning: The PROMAX 12 can be used to tune to both analog and digital TV channels, as well as to measure the signal level, carrier-to-noise ratio, and video-to-audio ratio.
- Spectrum analysis: The PROMAX 12 can be used to perform spectrum analysis over the entire frequency band, allowing you to identify and measure the power of individual channels and interference.
- Tilt measurement: The PROMAX 12 can be used to measure the tilt of the forward and return bands, which is important for ensuring proper signal distribution.
Promax PROMAX 12 is a multifunctional device that combines the capabilities of several instruments into one compact and portable unit. It can be used for a wide range of tasks, including:
- Channel and frequency tuning: The PROMAX 12 can be used to tune to both analog and digital TV channels, as well as to measure the signal level, carrier-to-noise ratio, and video-to-audio ratio.
- Spectrum analysis: The PROMAX 12 can be used to perform spectrum analysis over the entire frequency band, allowing you to identify and measure the power of individual channels and interference.
- Tilt measurement: The PROMAX 12 can be used to measure the tilt of the forward and return bands, which is important for ensuring proper signal distribution.
Trademark of the
DVB - Digital Video
Broadcasting Project
Find the user’s manual on the download area at: www.promaxelectronics.com
QUICK REFERENCE GUIDE
PROMAX-
12
FRONT VIEW
1
2
3
4
“F” male base connector.
Rotary selector / Push button.
Graphic display with backlight.
DC power adapter external input.
5
6
7
8
Volume control.
Keyboard for function selection.
Loudspeaker.
Mini-USB connector.
MENU KEYS
Selects the CHANNEL - FREQUENCY operating mode.
Selects the SCAN operating mode.
Selects the TILT operating mode.
Selects the DATALOGGER operating mode.
Access to CONFIGURATION menus specific to each operating mode and to the
global configuration menu of the unit.
Selects the SPECTRUM ANALYSER mode.
On / Off key.
Measured Voltage at the input indicator.
Battery charge indicator.
CH-FR
SCAN
TILT
LOGGER
CONFIG
SPECT
HUM
Selects the HUM operating mode.
VRF
CHARGE
2
3
4
5
6
7
8
1
When connecting via USB it is recommended to
connect it also to the mains to avoid interrupting
software communication.
FUNCTION KEYS DESCRIPTION
11-06-2015 (0 DG0132)
v1.2
PROMAX-
12
PDF
USER MANUAL
DOWNLOAD
Find the user’s manual on the download area at:
www.promaxelectronics.com
PROMAX-
12
It changes between frequency tuning and channel tuning. The 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.
For digital channels, it measures the channel power and the Carrier/Noise ratio (C/N), the Bit Error rate (BER) and the
Modulation Error ratio (MER) and represent the Constellation Diagram. It also permits to measure the CSO and CTB
intermodulation distortion.
CH-FR
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 allows the user to define the pilot channels, used for the
TILT measurement (only in the forward band).
SCAN
The TILT operating mode shows on the display, both graphically and numerically, the level difference between any four
frequencies, previously defined as pilot channels, in order to obtain information about band equalisation. This function
can be applied to the forward band and to the return path, independently.
TILT
The DATALOGGER operating mode enables multiple measurements to be performed and memorised for subsequent
checking and transfer to PC. It can perform and store up to 55 loggers in the memory. Each logger carries out level, C/N,
V/A, channel power or MER measurements on the channels activated in the channel plan (up to a maximum of 140
channels).
LOGGER
The SPECTRUM ANALYSER mode provides a spectrum analysis over the entire band in two parts: return path or sub-
band (5 to 80 MHz) and forward band (5 to 1005 MHz). The span is user definable. In addition, it is possible to change the
reference level, and maximum and minimum levels may be detected and held for INGRESS measurements.
SPECT
This is a multifunctional key. For one hand, it measures the HUM frequency and value (%). HUM is a low frequency
modulation that affects carriers and produces a characteristic buzzing in both image and audio, especially in analogue
signals. On another hand, it automatically identifies the voltage type (DC or AC) at the input and the frequency in case of
alternating voltage.
HUM
The parameters relative to a particular operating mode can be modified through the configuration menu associated
to the mode. In order to access the configuration menu associated to a particular operating mode, simply press the
CONFIG key. Some modes have more than one configuration page, to access to the second page it is necessary to
press the CONFIG key again. The general parameters of configuration (selecting/editing the channel plan,
measurement units, language, etc.) can be changed through the Global Configuration Menu, by pressing again the
CONFIG key. To exit a configuration menu, just press the key of the operating mode you wish to access.
CONFIG
QUICK REFERENCE GUIDE
-
1
-
2
Promax PROMAX 12 is a multifunctional device that combines the capabilities of several instruments into one compact and portable unit. It can be used for a wide range of tasks, including:
- Channel and frequency tuning: The PROMAX 12 can be used to tune to both analog and digital TV channels, as well as to measure the signal level, carrier-to-noise ratio, and video-to-audio ratio.
- Spectrum analysis: The PROMAX 12 can be used to perform spectrum analysis over the entire frequency band, allowing you to identify and measure the power of individual channels and interference.
- Tilt measurement: The PROMAX 12 can be used to measure the tilt of the forward and return bands, which is important for ensuring proper signal distribution.
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