Trilithic Model One Manuale utente
!TRILITHIC
TRILITHIC, Inc. is a leading supplier of test
equipment to the broadband industry, specializing in
products and systems that make HFC system
maintenance simpler, faster and more precise.
Innovations include the first practical CATV sweep
system (1976), the first CATV return adjustment
system (1981), the SEARCHER PLUS for leakage
measurement (1989) and the first integrated return
path quality management system (1995).
TRILITHIC is very well known for its leakage products,
and more than 15,000 SEARCHER PLUS Leakage
Receivers are now in daily use. The SUPER PLUS /
CT-2 leak detection system carried leakage
measurement into the current era of overbuilds and
digital services.
TRILITHIC has long been a leading supplier of signal
level meters. The ground breaking TRICORDER, the
first small, multifunction SLM with leakage measure-
ment and data logging, has recently been joined by
the Model One, which sets new standards for
compactness, cost-effectiveness and functionality.
TRILITHIC is a major force in return path quality
assurance, offering the industry’s only complete return
maintenance system. The Guardian line spans the full
range of return testing applications, and the Guardian
RSVP, the first practical reverse path tester for
installers, now equips many thousands of HFC
installers around the world.
In addition to products for the broadband industry,
TRILITHIC produces RF and microwave components
and equipment that are integrated into the aerospace
and wireless communications products of other
manufacturers. TRILITHIC also designs custom test
and measurement subsystems, supplying computer-
controlled manufacturing, signal routing and network
maintenance systems that perform a wide range of
communications and aerospace applications.
TRILITHIC products are designed and manufactured
at our facility in Indianapolis, Indiana and in Tienjin,
China, and are distributed by sales agents in over 40
countries. For more information concerning
TRILITHIC products and services, please contact us
at the address or telephone numbers below or visit
our web site, www.trilithic.com.
TRILITHIC, Inc.
9202 East 33rd. Street
Indianapolis, IN 46235
(317) 895-3600
(800) 344-2412
TWO YEAR WARRANTY
Trilithic, Inc. warrants that each part of this prod-
uct will be free from defects in materials and
workmanship, under normal use, operating con-
ditions and service for a period of two (2) years
from date of delivery. Trilithic, Inc.’s obligation
under this Warranty shall be limited, at Trilithic,
Inc.’s sole option, to replacing the product, or to
replacing or repairing any defective part, F.O.B.
Indianapolis, Indiana; provided that the Buyer
shall give Trilithic, Inc. written notice.
Batteries are not included or covered by this
Warranty.
The remedy set forth herein shall be the only
remedy available to the Buyer under this War-
ranty and in no event shall Trilithic, Inc. be li-
able for incidental or consequential damages
for any alleged breach of this Warranty. This
Warranty shall not apply to any part of the prod-
uct which, without fault of Trilithic, Inc., has been
subject to alteration, failure caused by a part
not supplied by Trilithic, Inc., accident, fire or
other casualty, negligence or misuse, or to any
cause whatsoever other than as a result of a
defect.
Except for the warranty and exclusions set forth
above, and the warranties, if any, available to
the Buyer from those who supply Trilithic, Inc.,
there are no warranties, expressed or implied
(including without limitation, any implied warran-
ties of merchantability of fitness), with respect
to the condition of the product or its suitability
for any use intended for it by the Buyer or by
the purchaser from the Buyer.
!TRILITHIC
9202 E. 33rd Street
Indianapolis, IN 46235
!TRILITHIC Model One Operating Manual
– 1
INDEX
Index
I
General Information
Introduction ......................................... 3
Equipment ........................................... 4
Features .............................................. 4
Level Measurements ...................... 5
Single Channel Display .............. 5
Tilt and Favorite Group Display ..... 5
Scan Display .................................. 5
Spectrum Display ........................... 6
Carrier-to-Noise (C/N) .................... 6
Digital Channel Measurement ....... 6
Data Logging .................................. 6
Voltmeter Function ......................... 6
Printer Feature ............................... 7
Model One Walkthrough
Introduction ......................................... 9
Identify Components ........................... 9
Key Pad .......................................... 10
Soft Buttons ................................ 11
Power ON/OFF........................... 11
Arrow Buttons ............................. 11
Function Buttons ........................ 11
Navigate Through Functions .............. 12
Display Screen Description ................ 13
Battery Charging ................................. 14
Model One Setup
Introduction ......................................... 17
Information Display ............................. 18
General Display .................................. 19
Backlight ......................................... 19
LCD Contrast ................................. 19
Shutdown Time .............................. 20
Date & Time ................................... 21
Volume ........................................... 22
Printer Setup .................................. 22
LCD Test ........................................ 23
Measurement Display ......................... 23
Scan Audio ..................................... 24
Scan Enabled ................................. 24
Transmission .................................. 25
Limit Setup ..................................... 25
Freq Tuning Step ........................... 27
Signal Level Units .......................... 28
Temperature Units .......................... 28
Load Default ................................... 29
Prior Menu ...................................... 29
Model One Operating Manual ""! TRILITHIC
2 – Index
Channel Plan Display ......................... 29
Learn Channel Plan ....................... 30
Edit Channel Plan .......................... 31
Tilt/Favorite ..................................... 34
Basic Operation
Introduction ......................................... 37
Single Channel Test ............................ 38
TV Channels .................................. 39
Single Frequency Channels ........... 41
Digital Channels ............................. 42
Frequency Mode ................................. 43
Channel Spectrum Scanning
Measurement ................................. 44
Limit Display ................................... 47
Frequency Spectrum Scanning
Measurement ................................. 48
Carrier-to-Noise Measurement ........... 51
Tilt and Favorite Channel .................... 51
Battery and Trunk Voltage
Measurement ................................. 53
Advanced Operation
Introduction ......................................... 55
Transmission Characteristic Test ....... 55
Saving Data ........................................ 60
File Notation ................................... 62
Loading Data ....................................... 64
Printing Operation ............................... 66
Serial Printer .................................. 67
Parallel Printer................................ 68
Specifications ........................................... 71
!TRILITHIC Model One Operating Manual
– 3General Information
Introduction
Congratulations! You now own Trilithic’s
Model One Signal Level Meter. This
instrument is designed to provide you with
optimal features for reduced cost.
Amplitude measurements are fast and
efficient. Carrier amplitudes are displayed
singly, as a group (up to eight “favorites”),
or as a full-span display. It also features a
single channel SPECTRUM Mode which
displays the presence of interfering beats
in addition to the carrier amplitudes. The
unit enables you to take the direct power
measurement of QAM signals, carrier-to-
noise measurements, data logging and
also supports a voltmeter function.
The Model One makes it easy to obtain a
hard copy of installation data or documen-
tation of a problem via its printer function.
By connecting the unit to a serial printer,
you can download its display or records. If
you are using a parallel printer, you can
print out the records.
The unit is the ideal signal level meter for
HFC installations. It is durable, has many
features and is simple to use in a wide
range of conditions. It’s tough, plastic
shell and protective jacket make the Model
One highly resistant to damage from
shock and impact. When not in use, the
unit and its accessories are contained in a
carrying case.
The Model One is rugged and convenient
to use. It weighs only 1.5 lbs and can be
carried and operated with one hand. All
measurement functions are accessible via
a single keystroke. Other functions are
simplified through the combination of
dedicated function keys and “softkeys”.
GENERAL
INFORMATION
1
Model One Operating Manual ""! TRILITHIC
4 –
Equipment
The Model One comes with the following:
• Model One Signal Level Meter
• Carrying Case
• Strap (for Carrying Case)
• Instrument Sleeve
• Built-in 7.2V/1.8AH Ni-MH Battery
• Universal Charger
• BNC Connector Adaptor
• Operation Manual
The following options are also available:
• Holster (P/N 2130854000)
• Software Kit (includes data cable)
(P/N 2071362000)
• Data Cable (P/N 2071351000)
• Serial Printer Cable
(P/N 2071352000)
• Parallel Printer Adaptor
(P/N 0440202000)
• Cigarette Charger Adapter
(P/N 2071350000)
• Replacement Battery
(P/N 0090044000)
• Replacement Charger
(P/N 0610160000)
For more information, please contact
Trilithic:
www.trilithic.com; 1-800-344-2412
Features
The Model One supports a variety of
functions including:
• Level Measurements
• Tilt/Favorite Group Display
• Scan Display
• Spectrum Display
• Carrier-to-Noise (C/N)
• Digital Channel Measurement
• Data Logging
• Voltmeter Function
• Printer Outputs
General Information
!TRILITHIC Model One Operating Manual
– 5
LEVEL MEASUREMENTS
The Model One can display a single
channel, groups (up to eight) of “favorite”
channels or all channel amplitudes.
The channel plans for the display can be
configured either on the unit’s front panel
or downloaded from a PC.
Single Channel Display
When tuned to a single channel, the
Model One displays bar graphs for the
video and audio carriers. It also shows
numeric readouts of the carrier amplitudes
and V/A difference. In addition, the unit
provides a spectral display of
intermodulation products or other undes-
ired signals that may be present.
TILT AND “FAVORITE” GROUP
DISPLAY
Press the TILT button to display a graph
showing the amplitudes of up to eight
user-selected video carriers. This display
also shows the calculated difference in
amplitude (tilt) between the HIGHEST and
LOWEST channels in the user-selected
group. Press TILT again and the Model
One displays a numeric list which shows
the amplitudes of the carriers in the group.
SCAN DISPLAY
Press the SCAN button to display the full
span of video carriers. This mode is
useful to make a quick check of your
system’s overall flatness and amplitude.
The Model One can be set to display both
audio and video carriers at reduced
frequency spans. This means that you
can impose amplitude limits on the
display. By using the unit’s frequency
marker, you can zoom in on any suspect
channel that appears in the display.
General Information
Model One Operating Manual ""! TRILITHIC
6 – General Information
SPECTRUM DISPLAY
Press the SPECT button to display the
spectrum measurements with frequency
spans from 2 MHz to 50 MHz or a full-
spectrum scan.
CARRIER-TO-NOISE (C/N)
Press the C/N button to measure the C/N
ratio of the CATV transmission system.
DIGITAL CHANNEL MEASUREMENT
The meter includes a special single-
channel mode that you can use to
measure the actual power of a QAM
signal. The display will show the actual
shape of the modulation “haystack”. This
feature provides you with a powerful tool
for detecting in-channel unflatness or
mismatches that might affect digital
transmission quality.
DATA LOGGING
The Model One has the capability to store
the amplitudes of all video and audio
carriers. This means that up to 24 full
data records can be captured in non-
volatile memory and later uploaded to your
PC for record-keeping.
Each record carries the time, date, and the
configuration of the meter at the time of
record capture. It also enables you to
annotate the record with a title name or
comment.
VOLTMETER FUNCTION
This meter is equipped with a built-in
voltmeter which can be used for trouble-
shooting power supplies or power drops.
The Model One displays the voltage as a
bar graph and numeric readout. It can
accommodate AC or DC voltages up to
120 Volts.
!TRILITHIC Model One Operating Manual
– 7
PRINTER FEATURE
In addition to being able to upload data
records to a PC, the Model One can also
download records or it’s current display to
a serial printer.
If you are using a parallel printer, the
Model One can download records. This is
useful to obtain an instant hard copy of
your installation or to document a problem
(see Printer Operation page 66 for more
information).
General Information
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