Promax 27 User Manual
99 Washington Street
Melrose, MA 02176
Phone 781-665-1400
Toll Free 1-800-517-8431
PROMAX-27
CABLE TV & DATA ANALYSER
- 0 MI1546 -
NOTAS SOBRE SEGURIDAD
Antes de manipular el equipo leer el manual de instrucciones y muy
especialmente el apartado PRESCRIPCIONES DE SEGURIDAD.
El símbolo
INSTRUCCIONES". En este manual puede aparecer también como símbolo de
advertencia o precaución.
Recuadros de ADVERTENCIAS Y PRECAUCIONES pueden aparecer a lo largo de
este manual para evitar riesgos de accidentes a personas o daños al equipo u
otras propiedades.
sobre el equipo significa "CONSULTAR EL MANUAL DE
SAFETY NOTES
Read the user’s manual before using the equipment, mainly " SAFETY RULES "
paragraph.
The symbol
may also appear as a Caution or Warning symbol.
Warning and Caution statements may appear in this manual to avoid injury
hazard or damage to this product or other property.
on the equipment means "SEE USER’S MANUAL". In this manual
REMARQUES À PROPOS DE LA SÉCURITÉ
Avant de manipuler l'appareil, lire le manuel d'utilisation et plus particulièrement le
paragraphe "PRESCRIPTIONS DE SÉCURITÉ".
Le symbole
Dans ce manuel, il peut également apparaître comme symbole d'avertissement ou de
précaution.
Des encadrés AVERTISSEMENTS ET PRECAUTIONS peuvent apparaître dans ce
manuel pour éviter des risques d'accidents affectant des personnes ou des dommages
à l'appareil ou à d'autres biens.
sur l'appareil signifie "CONSULTER LE MANUEL D'UTILISATION".
USER’S MANUAL. PROMAX-27
TABLE OF CONTENTS
GENERAL.................................................................................................................. 1
1
1.1 Description .......................................................................................................1
1.2 Specifications ................................................................................................... 2
2 SAFETY RULES........................................................................................................ 7
2.1 Generals...........................................................................................................7
2.2 Descriptive Examples of Over-Voltage Categories .......................................... 8
3 INSTALLATION .........................................................................................................9
3.1 Power Supply ...................................................................................................9
3.1.1 Charging the battery ..................................................................................... 9
3.1.2 Recommendations using the battery .......................................................... 10
3.2 Installation and putting in operation ...............................................................10
3.2.1 Adjusting contrast ....................................................................................... 10
4 OPERATING INSTRUCTIONS................................................................................ 11
4.1 Description of the controls and elements ....................................................... 11
4.2 Operation Instructions ....................................................................................13
4.2.1 SETUP Mode ..............................................................................................15
4.2.2 CONFIG Mode ............................................................................................17
4.2.2.1 EDIT CHANNEL PLAN......................................................................... 19
4.2.3 MODEM Mode ............................................................................................21
4.2.3.1 CONSTELLATION DIAGRAM (IQ).......................................................23
4.2.3.2 SEARCH function ................................................................................. 25
4.2.3.3 SCAN function ...................................................................................... 27
4.2.3.4 SPECTRUM function............................................................................ 28
4.2.3.5 LOGGER function................................................................................. 30
4.2.3.6 TILT function......................................................................................... 33
4.2.4 REGISTERED Mode — IP NETWORK Functions ....................................... 34
4.2.4.1 VoIP...................................................................................................... 35
4.2.4.2 IPTV...................................................................................................... 37
4.2.4.3 PING..................................................................................................... 39
4.2.4.4 TRACEROUTE..................................................................................... 41
4.2.5 TV Mode ..................................................................................................... 43
4.2.5.1 TV DIGITAL mode ................................................................................44
4.2.5.1.1 CONSTELLATION DIAGRAM function.......................................... 45
4.2.5.2 ANALOGUE mode................................................................................ 47
4.2.5.2.1 AUDIO function ..............................................................................48
4.2.5.3 SLM mode ............................................................................................50
4.2.5.4 COMMON FUNCTIONS in TV mode ................................................... 51
4.2.5.4.1 SCAN function................................................................................ 51
4.2.5.4.2 SPECTRUM function .....................................................................52
4.2.5.4.3 LOGGER function ..........................................................................53
4.2.5.4.4 TILT function ..................................................................................56
4.2.6 TEST SIGNAL GENERATOR mode........................................................... 57
4.3 CONNECTING TO DEVICES. .......................................................................58
5 MAINTENANCE....................................................................................................... 59
5.1 Instructions for returning by mail .................................................................... 59
English
USER’S MANUAL. PROMAX-27
Method of maintenance.................................................................................. 59
5.2
5.2.1 Cleaning the cover. .....................................................................................59
5.3 Components which user can not replace ....................................................... 60
5.3.1 Not replaceable fuses by user .................................................................... 60
APPENDIXES ................................................................................................................61
APPENDIX A.- MEASUREMENT OF THE MODULATION ERROR RATIO (MER). ... 61
APPENDIX B.- PRINCIPLE OF QAM MODULATION. THE CONSTELLATION
DIAGRAM ................................................................................................................ 63
APPENDIX C.- FREQUENCY OFFSET ADJUSTMENT FOR TUNING ANALOGUE
AND DIGITAL CHANNELS...................................................................................... 65
USER’S MANUAL. PROMAX-27
TV CABLE / DATA ANALYSER
PROMAX-27
1 GENERAL
1.1 Description
The PROMAX-27 is a portable analyser for the configuration, installation and
maintenance of interactive video services and high-speed data networks over TV
coaxial networks based on DOCSIS 2.0 and EuroDOCSIS standard. On the other
hand, can also analyse services based on IP protocol transmitted by these same
networks, such as Voice IP, IPTV or the Internet.
The PROMAX-27 has all the functions necessary for an easy installation of any
service offered by cable. In addition, its intuitive menu, its adjusted weight and strength,
makes it ideal for fieldwork. The instrument is powered by an internal rechargeable
battery.
In the design of the PROMAX-27 it has dedicated particular attention on making a
practical and precise instrument, as easy to use. A simple alphanumeric keypad that
incorporates soft-keys allowing direct access to different modes of operation and once
there, through the ambidextrous navigation and selection keys it's easy to modify any
parameter of the measure.
All this makes the PROMAX-27 in a magnificent tool for installing and maintaining
HFC (Hybrid Fibber Cable) / CATV, analog and digital systems. Being also very useful
for testing DOCSIS / EuroDOCSIS data transmission systems.
In addition, the instrument provides a serial output for connecting to a printer or
computer and thus obtains reports of the taken measures or access the PROMAX
server for updating.
Here are some of the most important functions the PROMAX-27 integrates.
The Power meter function, across the frequency band, is very useful in
assessing the possible saturation of inputs of CATV amplifiers.
The Meter Level function will take measures both analog channels (C / N ratio,
level of carrier, V / A ratio) and digital (Power, VER, MER, Constellation ...).
The Register function allows you to take and store up to 100 measurements
acquisitions in memory, each one of them can get to store up to 140 channels, with all
the measurements taken in the analysis of data transmission. The acquired measures
can be reviewed, transferred to a PC or printed anytime.
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USER’S MANUAL. PROMAX-27
The Frequency Scan function shows the level of all active channels in the
channel plan through a bar chart.
By the Generator Function, it is possible to create a test signal that allows you to
equalize properly the transmission band (upstream).
As Spectrum Analyser function provides an analysis of the whole band, allowing
change the reference level and the span among others.
As Analyser Data Systems for DOCSIS / EuroDOCSIS, the PROMAX-27 allows
you to measure downstream, upstream and the constellation.
The VoIP function performs a network analysis based on quality service
parameters established by the operation mode UGS (Unsolicited Grant Service) for data
packets transmission, which is based on DOCSIS / EuroDOCSIS standard. Therefore,
those will ensure the best call quality.
PROMAX-27, as IPTV services analyser, performs a comprehensive analysis of
the network based on the quality of service (QoS) named rtPS (real time Polling
Service), which is one of the quality services defined by DOCSIS / EuroDOCSIS
standard. That will ensure the best quality of TV over cable.
The PING function performs an analysis of standard Internet traffic, such as
browsing websites, emails or instant messaging. To check the quality of service, it uses
the quality of service defined as BE (Best Effort) based on the standard DOCSIS /
EuroDOCSIS.
In short, implementation of all these functions into an light instrument of one kilo
and a half weight, ergonomic design and robust, makes PROMAX-27 into an
unparalleled tool at fieldwork.
1.2 Specifications
TUNING
Tuning range From 5 to 862Hz.
MODEM mode From 53 to 855 MHz
Tuning mode By channels or by frequency.
Channel plan 10 channel plans, each one with a maximum of 140
channels. Factory start-up channel plans:
CCIR, EIA, HRC, IRC, OIRL, UK, AUNAD, ST2L,
AUST, ONO.
Resolution 10 kHz.
Indication Graphic LCD display with automatic back lighting.
Channel frequency offset ± 2,5 MHz.
GENERATOR
Carriers frequency range 5 — 60 MHz
Resolution 100 kHz
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USER’S MANUAL. PROMAX-27
Accuracy < ± 5 kHz.
Carrier level 60 to 112 dBµV (selectable in 1 dB steps).
Signal level resolution 1 dB.
Signal level accuracy 3 dB.
Modulation QPSK, 8QAM, 16QAM, 32QAM, 64QAM.
Symbol Rate from 160 to 5120 ksym/s.
BROADBAND POWER
LEVEL MEASUREMENT
Measuring range From 70 to 120 dBµV (From 10 dBmV to 60 dBmV
1
).
Bandwidth From 5 to 1000 MHz.
Resolution 1 dB.
Accuracy ± 3 dB (From 5 to 40 °C).
LEVEL MEASUREMENT
Measurement
Analogue channels Video carrier signal level measurement .
Digital channels Power measurement in the channel bandwidth by
integration method.
Measuring range From 25 to 120 dBµV. (From -35 dBmV to 60 dBmV)
Maximum input level
From 5 to 862 MHz 120 dBµV. (60 dBmV
1
)
DC to 60 Hz 60 V DC or RMS
Readout Digital in dBµV, dBmV or dBm and analogue
through a graphic bar. 1 dB resolution
IF bandwidth 230 kHz ± 50kHz
Input impedance 75 Ω
Accuracy
Analogue channels ± 2 dB (from 5 to 40 °C) for negative video
modulation
2
Digital channels ± 3 dB (from 5 to 40 °C) for 8 MHz bandwidth
channels.
DIGITAL SIGNALS MEASUREMENT
MER (Modulation error ratio)
Measurement range 22 dB to 42 dB for QAM 64 / 256.
Accuracy ± 2 dB.
BER (Bit error rate)
Measured before RS decoding
Measurement range 10 E-2 to 10 E-10.
English
1
Because of safety reasons, the maximum input power over the entire band is limited up to 120
dBµV. The equivalent power level for a group of channels of similar levels is related with the
input power level over the entire band according to the following expression:
LT = L+10 log N (LT: total level , L: mean level of one channel, N: number of channels present).
For higher input power levels, the use of an external attenuator of 20 dB is recommended.
2
For the positive video modulation (L standard) it can vary from 0 to -2 dB among white and
black image.
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USER’S MANUAL. PROMAX-27
Constellation Diagram ITU-J83 (Annex A/B/C) and DOCSIS/EuroDOCSIS
compliant signals.
Lock range -10 dBmV to 60 dBmV.
Symbol rate
Measurement range 1000 to 7000 Msym/s for QAM 16/64/256.
Datalogger Power level, BER, MER and constellation diagram
can be stored, for data dumping to printer or PC.
Modulation type QAM 16/32/64/128/256 ITU J83 annex A/B/C and
QPSK.
Bandwidth Selectable.
Frequency tuning 62.5 kHz.
VIDEO / AUDIO RATIO MEASUREMENT (ANALOGUE CHANNELS)
Measurement Ratio of video to audio carrier levels.
Measurement range From 0 to 30 dB
Audio subcarrier frequency
Variable 0.1 — 9.9 MHz.
Accuracy ± 2 dB (from 5 to 40 °C) for FM audio carrier
3
.
CARRIER / NOISE RATIO MEASUREMENT
Measurement
Analogue channels Ratio between carrier level and the channel's noise
level.
Digital channels Ratio between the channel power and the noise
level. The frequency where noise is measured is
user definable in absolute or relative value. In the
relative mode, the unit takes as default frequency
offset the value BW/2 + 0.5 MHz.
Measurement range
Analogue channels 40-50 dB for input level between 60 and 70 dBµV.
> 50 dB for input level > 70 dBµV.
Digital channels > 30 dB for input level > 60 dBµV.
Accuracy ± 2 dB (45 — 862 MHz) ± 3 dB (5 — 45 MHz).
CABLE MODEM
DOCSIS / EuroDOCSIS 1.0, 1.1, 2.0.
TV/MODEM DATALOGGER FUNCTION
Max. number of loggers 50 (TV) - 30 (MODEM).
Number of channels/logger 140.
Measurements
TV analogue channels Level, C/N and V/A.
TV digital channels Power, BER and MER.
Data digital channels Upstream and Downstream parameters (Power
level, attenuation, frequency, bandwidth,
modulation, symbol rate, BER, MER and
constellation diagram).
3
For the AM audio carrier (L standard), it can vary from 0 to -3 dB below the V/A value.
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USER’S MANUAL. PROMAX-27
SCAN
Span Variable: 10, 30, 100, 300 MHz and full band (from
Dynamic range Variable from 20 to 120 dBuV in 10 dB steps
SPECTRUM ANALYSER
Span From 1 to 100 MHz (1, 5, 15, 30, 50, 100 MHz).
Reference level Variable from 20 to 120 dBµV in 10 dB steps.
Analysed band From 5 to 862 MHz.
Detector Peak or average.
Bandwidth 200 kHz.
Resolution
Peak detector
Span 100 MHz 900 kHz.
Span 50 MHz 450 kHz.
Span 30 MHz 280 kHz.
Span 15 MHz 140 kHz.
Span 5 MHz 50 kHz.
Span 1 MHz 10 kHz.
Average detector
Span 30 MHz 280 kHz.
Span 15 MHz 140 kHz.
Span 5 MHz 50 kHz.
Span 1 MHz 10 kHz.
AUDIO
Demodulation AM/FM.
Output Internal loudspeaker.
POWER SUPPLY
Li-Ion battery 7.4 V — 4.8 Ah.
Low battery indication Graphic indication on the display:
Autonomy Approximately 3 hours.
Automatic power-off Power-off after approximately 10 minutes of non-
Battery charge By fast internal charger.
Equipment consumption 22 W.
Mains to charger adapter Al-103: 100 to 240 V AC / 50-60 Hz / 12 V DC
ENVIRONMENTAL CONDITIONS
This equipment could be used on the following environmental conditions, on
these conditions the specifications could be also applied:
Altitude Up to 2000 metres.
Temperature range From 5 °C to 40 °C.
Maximum relative humidity 80 % (up to 31 °C),
decreasing lineally up to 50 % at 40 °C.
5 to 862 MHz depending on channel plan).
.
use.
(EUROPE and other countries).
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USER’S MANUAL. PROMAX-27
MECHANICAL FEATURES
Dimensions 160 W x 230 H x 50 D mm.
Weight 1.4 kg. (including battery and protective bag).
INCLUDED ACCESSORIES
AL-103 DC external adapter
AA-12 Car lighter adapter cable
AD-057 F/female - F/female input adapter.
AD-058 F/male - F/female rapid adapter.
CC-030 F/male - F/male (1m) coaxial cable.
0 FD0462 Protective bag.
CA-005 Mains cord
OPTIONAL ACCESSORIES
AD-055 F/female - BNC/female adapter.
AD-056 F/female - IEC/female adapter.
CI-023 Portable serial printer.
CC-209 Data transfer cable to PC or printer.
RM-027 Remote control software for PROMAX-27.
AT-20C 20 dB attenuator.
RECOMMENDATIONS ABOUT THE PACKING
It is recommended to keep all the packing material in order to return the
equipment, if necessary, to the Technical Service.
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USER’S MANUAL. PROMAX-27
2 SAFETY RULES
2.1 Generals
* The safety could not be assured if the instructions for use are not closely
followed.
* Use this equipment connected only to devices or systems with their common
at ground potential.
* This equipment can be used in Over-Voltage Category I installations and
Pollution Degree 2 environments.
Use the mains adapter in Over-Voltage Category II installations and Pollution
Degree 1 environments. It is for INDOOR USE.
* When using some of the following accessories use only the specified ones to
ensure safety.
Power adapter
Car cigarette lighter adapter
Mains cord
* Observe all specified ratings both of supply and measurement.
* Use this instrument under the specified environmental conditions.
* The user is not authorised to manipulate inside the instrument:
Any change on the equipment should be carried out by qualified personnel.
* Follow the cleaning instructions described in the Maintenance paragraph.
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USER’S MANUAL. PROMAX-27
* Symbols related with safety:
DIRECT CURRENT
ALTERNATING CURRENT
DIRECT AND ALTERNATING
GROUND TERMINAL
PROTECTIVE CONDUCTOR
FRAME TERMINAL
EQUIPOTENTIALITY
ON (Supply)
OFF (Supply)
DOUBLE INSULATION
(Class II protection)
CAUTION
(Risk of electric shock)
CAUTION REFER TO MANUAL
FUSE
2.2 Descriptive Examples of Over-Voltage Categories
Cat. I Low voltage installations isolated from the mains.
Cat. II Portable domestic installations.
Cat. III Fixed domestic installations.
Cat. IV Industrial installations.
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USER’S MANUAL. PROMAX-27
3 INSTALLATION
3.1 Power Supply
The PROMAX-27 is a portable instrument supplied by a built-in Li-Ion battery.
Before taking any measurement, we must ensure that the battery is charged.
3.1.1 Charging the battery
The instrument is supplied with a mains adapter in order to power or charge the
instrument.
There are two situations that can arise in the battery charging process:
1) Stopped Instrument: When connecting the external power it will start a rapid
charging cycle, whose duration will depend on the battery status. It will take three
hours for a discharged battery. The charging indicator on the front panel [10] will
remain lit in amber colour during this period. At the end of charging and in full
charge, the indicator will be green.
2) Instrument in operation: When connecting the charger, it will start a charging
process in a lower regime and therefore longer. At the end of charging and in full
charge, the indicator will change from amber to green colour.
English
PRECAUTION
Figure 1.- PROMAX-27 and mains adapter.
Before using the power adapter, make sure that the adapter is
suitable for the mains voltage.
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
07/2008 Page 9
FAX 781.665.0780 - TestEquipmentDepot.com
USER’S MANUAL. PROMAX-27
3.1.2 Recommendations using the battery
If anticipating a long period of inactivity of the instrument, it is advisable to store it
with battery fully charged and at temperatures below 25 °C.
It is advisable in these cases doing every 3 months a cycle of charging /
discharging and a subsequent half charge (i.e. 50 %).
3.2 Installation and putting in operation
The PROMAX-27 has been designed for using as portable equipment.
A fully charged battery can power the instrument for over three hours. When
displaying the low battery indicator on the screen (
When starting up with a very low level battery, may be the PROMAX-27 could
start up, because of residual energy remaining at the battery, but the equipment will be
disconnected automatically BEFORE displaying on the screen the low level battery
indicator.
), the battery must be recharged.
3.2.1 Adjusting contrast
LCD Adjustment contrast is done via the dial (see Figure 2.- [5]) located at the
right side panel of the instrument.
By turning the dial is possible to adjust the screen contrast to get the best display
in any environmental condition. By turning counter-clockwise, the contrast decreases.
By turning clockwise, it increases. The new value of contrast is kept when the
instrument turns off.
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USER’S MANUAL. PROMAX-27
4 OPERATING INSTRUCTIONS
4.1 Description of the controls and elements
Front panel
12
13
6
7
14
15
8
9
10
11
16
Figure 2.- Front panel view.
[1] F-F (or F-BNC or F-IEC) adapter.
Maximum input voltage level 60 VAC rms / 50-60 Hz.
[2] "F" male base connector.
[3] Graphic display with back lighting.
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English
USER’S MANUAL. PROMAX-27
[4] Connection to computer or printer.
CC-209 specific connection cable.
Do not connect any cable different than the one supplied by the
manufacturer, otherwise the instrument may suffer serious damage.
[5] Contrast Adjustment
[6] LAN connector (ETHERNET)
[7]
Navigation buttons / Cursor keys.
[8]
Selection button.
[9] Alphanumeric keypad, 12 keys for data entry.
[10] Battery charge indicator.
[11]
On/Off key.
[12]
SOFTKEYS, 5 programmable keys.
[13]
Main menu Shortcut key.
[14] Ambient light detector.
[15] Loudspeaker.
[16] DC power input adaptor.
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USER’S MANUAL. PROMAX-27
4.2 Operation Instructions
The five main functions of PROMAX-27 are accessible from the initial menu,
pressing the key
[13]:
1. MODEM MODE: This option allows you to check the response of a data
transmission system DOCSIS / EuroDOCSIS. It works on
both uplink and downlink. It can store and display the
measures obtained from the constellation in QAM modulation.
It also performs tests on applications using IP protocol over
cable (for details see 4.2.3 and 4.2.4).
2. TV MODE: This option has three submenus: Analog TV, Digital TV and
SLM(Signal Level Meter). In these modes we can make the
analysis of analog carrier and digital video carrier, as well as
the demodulation of the audio carrier (for details see 4.2.5).
3. GENERATOR MODE: This option allows you to generate a signal test to check the
upstream traffic (for details see 4.2.6).
4. CONFIG MODE: In this menu you can set basic parameters of the analyser (for
details see 4.2.2).
5. SETUP MODE: This menu allows you to introduce basic data concerning the
system such as time, date and language among others (for
details see 4.2.1).
To access any of these menus, press
[13] to access the start menu and
then press the corresponding key ([F1], [F2], [F3], [F4], [F5]) that are found in the lower
frame selection [12].
Pressing the hotkey
[13] the instrument will always lead to the start menu,
regardless submenu in which we are.
English
CABLE TV & IP ANAL YSER 0 1:43:09
CMTS
IP
MODEM TV GTOR CONFIG SETUP
Figure 3.- Main menu with SOFTKEYS or programmable keys.
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USER’S MANUAL. PROMAX-27
MENUS TREE
ARBRE DE MENUS
ARBOL DE MENÚS
SEL
PROMAX-27
Figure 4.- General view of menu tree. (See quick reference guide).
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USER’S MANUAL. PROMAX-27
4.2.1 SETUP Mode
To access the SETUP mode for configuring system:
1.- Press key
[13].
2.- Press softkey SETUP [F5].
It will appear a screen with the configuration parameters of the system
(Figure 5.-).
Figure 5.- SETUP Screen.
To change the status or value of a parameter:
1.- Use the cursor keys
2.- Go to the parameter you want to modify and press the selection key [8].
[7] to scroll along the menu.
3.- The cursor will move next to the parameter value. Now you can change that value
using the cursor or the alphanumeric keypad (depending on the case).
English
4.- After you have made your changes, press again the selection key [8] to save
changes.
5.- To exit Configuration Mode and return to the main menu, press again the MENU
key
[13]
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USER’S MANUAL. PROMAX-27
Modifiable parameters are next:
a) HOUR
It indicates the current time. Enter hour and minutes by alphanumeric keypad. To
enter the symbol “:” between hours and minutes, you should use the key
which is in the alphanumeric keypad.
b) DATE
It indicates the current date in European notation (dd-mm-yy). Enter the day, month
and year by the alphanumeric keypad. To enter the hyphen symbol between
numbers, press key
that is in the alphanumeric keypad.
c) LANGUAGE
The language selected is the language usually used on the menus. Use the cursor
keys to scroll through available languages (English, Spanish, German and
Portuguese).
d) BIP
This parameter enables (ON) or disables (OFF) the acoustic indicator that beeps
when you press any key.
e) AUTO POWER OFF
This setting allows you to active (ON) or to disable (OFF) the auto power off
function. With this feature active, the instrument will automatically disconnect after
ten minutes without pressing any key.
f) IP NETWORK
It is the number used to identify the instrument within the network. You should use
the alphanumeric keypad to enter numbers that compose the IP address. You
should use the key
to write a point between numbers.
g) NETMASK
It is the number used to define the netmask. You should use the alphanumeric
keypad to enter numbers that compose the netmask address. You should use the
key
to write a point between numbers.
h) GATEWAY
It is the number used to define the gateway. You should use the alphanumeric
keypad to enter numbers that compose the gateway address. You should use the
key
to write a point between numbers.
Paragraphs f, g and h are needed to configure the Ethernet network connection.
At the bottom of the screen it appears the following information (no editable):
.,
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- BATTERY: Indicates the battery charge in voltage.
- FIRMWARE: Indicates control program version.
- SERIAL NUMBER: It is a unique identifier number for the instrument.
4.2.2 CONFIG Mode
To access the CONFIG mode for setting the general configuration of the system:
1.- Press key
[13]
2.- Press softkey CONFIG [F4].
It appears the screen with configuration parameters (Figure 6.-).
Figure 6.- CONFIG menu.
This menu allows you to set the parameters in order to the instrument can take
the TV digital and analog measurements, as well as the data analysis for upstream and
downstream.
To change a parameter:
1.- Use the cursor keys [7]
to scroll through the menu.
English
2.- Go to the parameter you want to modify and press the selection key [8].
3.- The cursor will move next to the parameter value. Now you can change that
value using the cursor or the alphanumeric keypad (depending on the case).
4.- After you have made your changes, press again the selection key [8] to
save changes.
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