Subscribe to Our Youtube Channel
Related Manuals for Trilithic Two
Summary of Contents for Trilithic Two
- Page 1 Trilithic Model Two Lite Specs Provided by www.AAATesters.com Model Two and Model Two Lite Signal Level Meters OPERATION MANUAL...
- Page 2 Trilithic Company Profile Trilithic is a privately held manufacturer founded in 1986 as an engineering and assembly company that built and designed customer-directed products for telecommunications, military and industrial customers. From its modest beginnings as a two-man engineering team, Trilithic grew over the years and broadened its offerings of RF and microwave components by adding broadband solutions to its product line.
-
Page 3: Table Of Contents
Precautions ........................... 8 2. Introduction ........................... 9 Overview ..........................9 Equipment ........................... 10 Model Two & Model Two Lite Feature Comparison .............. 11 Tilt and Favorite Group Display ..................12 Single Channel Display ....................12 Single Channel Spectrum ....................12 Scan Display ........................12 Spectrum Display ...................... - Page 4 Battery and Trunk Voltage Measurement ................55 6. Advanced Operation ......................56 Transmission Characteristic Test ..................56 Auto Test ..........................60 Level Parameters ......................63 Spectrum Parameters ....................63 Limit Parameters ......................64 Model Two & Model Two Lite - Operation Manual...
- Page 5 Viewing and Printing File Records .................. 72 Auto Test Records ......................76 Printer Connection ....................... 78 Serial Printer ........................79 Parallel Printer ........................ 80 7. Specifications ........................81 Warranty Information ........................83 Model Two & Model Two Lite - Operation Manual...
-
Page 6: General Information
You can also check this website for product updates. Where to Get Technical Support Trilithic technical support is available Monday through Friday from 8:00AM to 5:00PM EST. Callers in North America can dial 1-317-895-3600 or 1-800-344-2412 (toll free). International callers should dial 1-317-895-3600 or fax questions to 1-317-895-3613. -
Page 7: How This Manual Is Organized
• Chapter 3, “Walkthrough” describes the components of the Model Two and Model Two Lite. • Chapter 4, “Setup” describes the steps needed to perform the setup of the Model Two and Model Two Lite. • Chapter 5, “Basic Operation” describes how to use the basic features of Model Two and Model Two Lite. -
Page 8: Precautions
Precautions WARNING: The battery MUST be charged with the Trilithic charge cube provided with the Model Two. Using any other charge cube may damage the battery. WARNING: The maximum input voltage to the meter is 100 V (AC or DC). A larger voltage will damage the meter. -
Page 9: Introduction
These files can be recalled to display the recorded data, or Scan, Spectrum, and Limit files can be viewed graphically. The Model Two also makes it easy to obtain a hard copy of installation data or documentation of a problem via its printer function. -
Page 10: Equipment
Parallel Printer Adapter (P/N 0440214000) • Cigarette Charger Adapter (P/N 2071483000) • Replacement Battery (P/N 0090046000) • Replacement Charger (P/N 0610165000) • Replacement F-connector (0200579000) For more information, please contact Trilithic at www.trilithic.com or 1-800-344-2412. Model Two & Model Two Lite - Operation Manual... -
Page 11: Model Two & Model Two Lite Feature Comparison
Model Two & Model Two Lite Feature Comparison Some of the functions described in this manual are not available in the Model Two Lite. A comparison of the features included in the Model Two Lite vs. the Model Two, is shown in the following chart. -
Page 12: Tilt And Favorite Group Display
Single Channel Display When tuned to a single channel, the Model Two displays bar graphs for the video and audio carriers. It also shows numeric readouts of the carrier amplitudes and V/A difference. -
Page 13: Data Logging
All files may be uploaded to a PC with the Toolbox software for analysis and storage. File Printing The Model Two has a print function that makes it easy to connect to a printer for a hard copy of measurement data and reports. This is useful for obtaining an instant hard copy of your installation or to document a problem. -
Page 14: Walkthrough
Walkthrough Now that you have your Model Two out of its box, take a few moments to look it over and become familiar with its controls. Note: The thin protective film layer used to protect the display during shipping should be removed. -
Page 15: Key Pad
Key Pad The key pad consists of the various buttons to access the Model Two’s functions. There are eleven function buttons, two arrow buttons (up, down), the power on/off button and three “soft buttons” that enable you to perform functions in the display. - Page 16 Power ON / OFF Use the POWER ON / OFF button to turn the device on and off. Arrow Buttons Use the UP and DOWN buttons to change values within a function display. Model Two & Model Two Lite - Operation Manual...
-
Page 17: Navigating Functions
For example, to enter the number 12: Press Then press F1, the soft button for ENTER, to enter the value into the Model Two. Entering Alphanumeric Characters Similarly, you must enter alphanumeric data on several screens, such as File names, Channel labels, and Auto Test program names. - Page 18 Tip: If you make an error when entering a number or a name, you can press F2 to go back and then re-enter it. Press F3 to escape from the operation. Model Two & Model Two Lite - Operation Manual...
-
Page 19: Display Screen Description
Main Display Screen - Displays the parameters and graphs of the selected function. F1, F2, F3 - Indicates the function of the soft buttons in the selected Model Two mode. Note: The soft buttons vary from function to function on the meter (see Soft Buttons on Page 15). -
Page 20: Battery Charging
Battery Charging The Model Two has a built-in 3.6 V / 3.5 AH Ni-MH battery. When fully charged, it can be used for over six hours. When the battery charge drops below 10%, the battery symbol flashes in the information line at the top of the display screen. If the charge drops below 5%, the Model Two shuts off automatically to protect the battery. -
Page 21: Setup
Setup When you first press POWER ON/OFF, the Model Two briefly displays the startup screen, then displays the Level screen. CAUTION: The Model Two battery may need charging prior to first use (see Battery Charging on Page 20). Before using the Model Two, you need to perform some setup procedures from the following areas: •... -
Page 22: Information
Use F2 and F3 to scroll through the command choices to the desired parameter. Backlight This selection determines the backlighting time on the Model Two display. Press F1 (or use the UP and DOWN arrow keys) to change the backlighting time. The selected time is displayed in the window near the bottom of the display screen. -
Page 23: Lcd Contrast
You can select ON (always on until manually turned off), or 3, 5, 10, or 30 minutes (the Model Two shuts itself off when there has been no Model Two activity for the selected time interval). -
Page 24: Date & Time
Enter the date in the date order displayed to the left of the field. 2. When you are satisfied with your entry, press F1 again to log the date in the Model Two memory, then press F2 to switch to the time field. -
Page 25: Print Setup
You can change the selected printer by using F2 or F3 to scroll through the list, then press F1. The Model Two returns to the Print Setup menu. PRIOR MENU - Press F1 to return to the previous menu. -
Page 26: Lcd Test
Each pattern remains on the screen until you press F1 to go to the next pattern. Upgrade Use this function to enter the authorization code to upgrade a Model Two Lite to full Model Two features. Contact Trilithic to obtain an authorization code, then do the following: 1. -
Page 27: Measurement
Page 56.) Level Units Use this selection to set the signal level units for the Model Two. The selected signal level units are displayed in the window near the bottom of the display screen. Press F1 or press the UP and DOWN arrow keys to switch between dBmV, dBμV, or dBmW. -
Page 28: Single Frequency Setup
SQUELCH - Press F1 to select or deselect the squelch operation. When squelch is activated, the audio is muted when the Audio carrier level drops below –30 dBmV (+30 dBμV). PRIOR MENU - Press F1 to return to the previous menu. Model Two & Model Two Lite - Operation Manual... -
Page 29: Limit Setup
EDIT LIMITS - Press F1 to enter the Edit Limits menu. All parameters used in a Limit test may be set in this menu. (See Limit Testing on Page 48.) Use F2 or F3 to scroll to each limit parameter. Model Two & Model Two Lite - Operation Manual... - Page 30 MARKER - Use this selection to switch between channel and frequency indicators for markers in the Scan mode. Use F1 (ENTER), or press the UP or DOWN arrow keys to change the marker. PRIOR MENU - Press F1 to return to the previous menu. Model Two & Model Two Lite - Operation Manual...
-
Page 31: Reset Max Hold
Use this selection to set the active user plan. You can have up to five user-defined channel plans (A—E) on the Model Two. Use F1 (ENTER), or press the UP and DOWN arrow keys to change the selected user plan. - Page 32 Use F2 or F3 to scroll through the list to the desired base plan. With the CATV cable connected, press F1, and the Model Two searches for all active channels in your system. A progress bar at the bottom of the screen indicates search progress.
-
Page 33: Edit User Plan
Note: When using FCN to make an alphanumeric entry, remember to press F1 (ENTER) once you have made an entry to store the new data. (See Entering Alphanumeric Characters on Page 17.) Model Two & Model Two Lite - Operation Manual... - Page 34 Press F1 (ENTER) to store the change. (This parameter appears for TV type only). Note: The sum of this offset and the video carrier frequency should never be more that 870 MHz. Model Two & Model Two Lite - Operation Manual...
- Page 35 SAVE AND EXIT and press F1 (ENTER) to return to the Edit User Plan screen. All channels, including a new channel, appear in the Channel Plan according to frequency—not channel number. Model Two & Model Two Lite - Operation Manual...
-
Page 36: Tilt/Level List
SET to save the modifications and return to the main Setup menu. CAUTION: All edits are temporarily stored until you exit the Edit User Plan screen. Do not turn off the Model Two before exiting the Edit User Plan screen, or the changes will not be saved. -
Page 37: Load Defaults
Once you have selected from four to twelve favorite channels, press SET to save the information and return to the main Setup menu. Load Defaults Press F1 (ENTER) to load the factory default settings for the Model Two and then display the Level screen. Prior Menu Press F1 (ENTER) to return to the main Setup menu. -
Page 38: Basic Operation
Basic Operation Once you have set up the Model Two’s parameters, you are ready to operate the unit. There are a number of tests you can perform with the Model Two: • Single channel level tests • Frequency mode •... -
Page 39: Single Channel Level Testing
Single Channel Level Testing When set to the single channel level test, the Model Two displays bar graphs of the video and audio carriers as well as numeric readouts of the carrier amplitudes and V/A difference. The Model Two can also display a spectrum scan of the selected channel showing the amplitudes of the video and audio carriers and undesired signals that may be present, such as intermodulation. - Page 40 Press F3 (UP) to return to the original Level screen so that the functions of softkeys F1 and F2 become FREQ and MAX. The Model Two digital readout can be set to display a LIVE, MAX, or Δ P-P signal level as an aid to troubleshooting. Press softkey F2 to select the desired display mode as described below: •...
-
Page 41: Single Channel Spectrum
The Model Two can scan the spectrum of the designated channel automatically. This function is particularly useful for CATV measurements. To scan the channel spectrum, press LEVEL again. The Model Two displays the spectrum screen and scans the channel for data, which it then graphs on the screen. -
Page 42: Single Frequency Channels
Single Frequency Channels You can use the Model Two to measure a Single Frequency level over a specified bandwidth. To do this, first set the Model Two’s channel type to SNGL or single frequency channel (see Edit User Plan on Page 33). -
Page 43: Digital Channels
Digital Channels You can use the Model Two to measure the average power of a digital channel according to the configured bandwidth. To do this, first set the Model Two’s channel type to DIGI (see Edit User Plan on Page 33). -
Page 44: Dual Audio Channels
Dual Audio Channels You can use the Model Two to measure TV signals with dual Audio channels. To do this, first set the Model Two’s channel type to DUAL, or dual audio channel (see Edit User Plan on Page 33). -
Page 45: Frequency Mode
Single Channel Level screen. If the channel is a TV or DUAL type channel with audio and video carriers, the Model Two is tuned to the audio frequency (Audio 1 if dual type). The signal level and peak level are displayed. -
Page 46: Channel Spectrum Scanning
Channel Spectrum Scanning The Model Two is designed to display the full span of video and audio carriers in your system. This function provides a quick check of your system’s overall flatness and amplitude. The Model Two can also be set to display the video and audio carriers at reduced frequency spans. - Page 47 You can zoom in on the marker position by pressing SCAN. The Model Two supports 5 levels of magnification (1x, 2x, 3x, 4x, and 5x). The minimum span (5x) shows 25 channels of data. To return to the original zoom level, keep pressing SCAN to cycle through the zoom magnifications.
-
Page 48: Display Limits
Limits screen. Limit Testing The Model Two can quickly perform a test of the cable system to specified test limits with a single key press. The selected User Channel Plan is tested to all enabled limit parameters as set in the Edit Limits display from the Limit Setup menu. - Page 49 User Plan. If any channel fails one of these tests, the Test Result summary indicates a failure (X) for that test. If all channels pass one of these tests, the Test Result summary indicates a pass (checkmark) for that test. Model Two & Model Two Lite - Operation Manual...
- Page 50 The Video level, Audio level, and Δ V/A for the selected channel are shown at the top of the individual channel information screen. The Limit Test setup for the channel test parameters is displayed at the bottom of the screen with a Pass or Fail indication for each parameter. Model Two & Model Two Lite - Operation Manual...
-
Page 51: Frequency Spectrum Scanning
Frequency Spectrum Scanning The Model Two can be set to display spectrum measurements with spans ranging from 2.5 to 62.5 MHz. It can also be set for a full spectrum scan of the base channel plan with sampling at each video carrier frequency. - Page 52 The Max hold data is retained as long as the Model Two is on. To reset the Max hold data in Spectrum Mode, you must select RESET MAX HOLD in the Measurements Setup menu.
-
Page 53: Carrier-To-Noise Measurement
Video Carrier and calculates the C/N ratio of the selected channel. The value of the C/N difference is displayed on the screen. If the Video Carrier is shut down as prompted on the display, the Model Two reads the noise in the measured channel bandwidth and uses this to calculate the C/N ratio for improved accuracy. -
Page 54: Tilt And Favorite Channel
F3 (SCALE). To bring up the list of favorite channels, press TILT again. The Model Two displays the list of favorite channels with their Video Carrier Levels and the tilt calculation. Model Two & Model Two Lite - Operation Manual... -
Page 55: Battery And Trunk Voltage Measurement
When the battery charge drops below 10%, the battery symbol flashes in the information line at the top of the display screen. If the charge drops below 5%, the Model Two shuts off automatically to protect the battery. (See Battery Charging on Page 20.) The lower bar graph indicates the AC or DC voltage of the system’s trunk. -
Page 56: Advanced Operation
The Model Two enables you to do this by setting a reference at a known good test point such as the headend’s output test point or a node’s output test point. This reference can then be compared to the transmission response at other places in the distribution system to allow proper gain and tilt adjustments of the distribution system. - Page 57 When you press F1 to replace the Zero Reference data, the Model Two prompts you to connect the unit to the cable system. After you have connected the CATV source to the Model Two, press F1 (ENTER). The Model Two scans all video carrier frequencies in the selected Base Channel Plan, including those disabled for channel scan.
- Page 58 The new Zero Reference remains in the Model Two’s nonvolatile memory even when the Model Two is turned off. This enables you to measure the level’s relative change at a later time. To perform a new Transmission Test at any time, confirm that TRANSMISSION is set to ON in the Measurement Setup menu and then press SPECT.
- Page 59 Press F2 (MARK) to return to the normal single-marker Transmission display. The new Zero Reference Scan remains in the Model Two so you can measure the relative change at a later time. To perform another Transmission Test at any time, confirm that Transmission is set to ON and press SPECT.
-
Page 60: Auto Test
The Model Two can accept user-defined testing programs to automatically perform Level, Spectrum, Tilt (Favorite), and Limit tests in specified time increments. The Model Two can store up to 7 user programs for recall when needed. The test results are stored to a file automatically and may be printed automatically after measurement or they can be viewed, printed, or uploaded to a PC later. - Page 61 Enter up to 5 alphanumeric characters for the program name and press F1 (ENTER). (See Navigating Functions on Page 17 if you need help with alphanumeric entry.) The new program name appears on the screen for Step 1. Model Two & Model Two Lite - Operation Manual...
- Page 62 You can change the parameters for each of the selected tests by using the UP and DOWN arrow keys to highlight the test, then press F1 (ENTER). The Auto Test parameter displays are described in the following section: Model Two & Model Two Lite - Operation Manual...
-
Page 63: Level Parameters
(ENTER). This parameter is not used if the full-span bandwidth is selected. When the desired frequency and bandwidth have been set, press F3 (BACK) to return to the Auto Test screen for STEP 3. Model Two & Model Two Lite - Operation Manual... -
Page 64: Limit Parameters
If you wish to change or (disable) any Limit parameter, you can press F1 (ENTER) to display the Edit Limits screen. All Limit parameters may be changed as described in Model Two Setup for the Edit Limits display. (See Limit Setup on Page 29.) When the desired changes have been made in the Edit Limits screen, select SAVE AND EXIT to return to the Auto Test Limit Parameter screen. -
Page 65: Tilt Parameters
At least 4 of the 12 maximum number of Tilt channels must be selected for Tilt to operate. When the desired TILT channels have been selected, press F3 (BACK) to return to the Auto Test screen for STEP 3. Model Two & Model Two Lite - Operation Manual... - Page 66 If you wish this Auto Test program to perform its test sequence only once each time it is started, you can press F1 (START) to immediately begin execution of the testing program. If F1 is selected to start the program, the Model Two performs the selected tests and then shuts off.
- Page 67 Note: Since the first Auto Test time is always performed immediately upon starting the program, the 5 default test times provides a 24 Hour span from first test to last test, with a 6-hour default time interval between test sequences. Model Two & Model Two Lite - Operation Manual...
- Page 68 Model Two shuts off. If the Model Two is turned on during an Auto Test program, the program status screen appears to indicate the Auto Test status. The program may be stopped by pressing F1 (STOP).
- Page 69 F1 (ENTER) to view the setup parameters. Also, the status of the 24 HR setup can be seen by pressing F2 to view the Test Times and Time Intervals. Model Two & Model Two Lite - Operation Manual...
-
Page 70: File Saving, Viewing, And Printing
These files can be recalled to display the recorded data and Scan, Spectrum, and Limit graphics can be viewed. All files may also be printed from the Model two or uploaded to a PC. Saving a Test Record to a File Before saving a record, be sure the time, date, and date sequence (M/D/Y) has been set. - Page 71 If a test has not been performed by the Model Two, it is not displayed on the SAVE CONTENT screen. Use F2 or F3 to scroll to any listed test selection, then use the UP and DOWN arrow keys to turn ON or OFF the records that will be saved to the file.
-
Page 72: Viewing And Printing File Records
To recall (load) a test record file, press FILE. The Model Two File directory appears with the filename, date, and time of all existing files. Use the UP and DOWN arrow keys to scroll to the filename of the file you wish to view or print, then press F3 (LOAD). - Page 73 Scan and Level Tests. Both Audio levels are displayed on printouts or uploads to a PC. While displaying a list of any data record, you can press F1 (BACK) to return to the FILE CONTENT screen. Model Two & Model Two Lite - Operation Manual...
- Page 74 Scan records only. The View function does not operate with Level and Tilt records. While viewing a data record, you can press FILE to return to the FILE CONTENT screen. Pressing FILE again will return you to the File Directory. Model Two & Model Two Lite - Operation Manual...
- Page 75 Scan test - This data record is printed with Video and Audio levels for each channel. The listed data is followed by a graphic printout of the Channel scan. The channels with minimum and maximum Video levels are shown at the bottom of the report. Model Two & Model Two Lite - Operation Manual...
-
Page 76: Auto Test Records
(Level Report, Tilt Report, etc). When using a parallel printer with the Model Two printer adapter, you must wait a few minutes between pages for the data to be loaded into the printer before the page is printed. - Page 77 Pass (P) or Fail (F) indication for the channel based on the Limit Test parameter setup at the time the Auto Test was performed. Model Two & Model Two Lite - Operation Manual...
-
Page 78: Printer Connection
Printer Connection The Model Two can print file records to a serial or parallel printer. (See File Saving, Viewing, and Printing on Page 70.) For connecting the Model Two to a serial printer, you need a special cable. For connection to a parallel printer, you need a data cable and adapter. -
Page 79: Serial Printer
• Model Two Serial Printer Cable, P/N 2071352000 (5-pin circular connector to 25-pin D-sub-male connector cable) Connect the 5-pin circular end to the Model Two and the 25-pin connector to the serial printer. 25-Pin Connector to Serial Printer 5-Pin Data Cable... -
Page 80: Parallel Printer
Model Two Parallel Printer Adapter, P/N 0440214000 (9-pin D-sub-male to 25-pin D-sub-female adapter) Connect the data cable’s 5-pin circular end to the Model Two and the 9-pin connector to the 9- pin connection of the parallel printer adapter. Then connect the 25-pin connection of the parallel printer adapter to the 25-pin connector on your standard parallel printer cable connected to your printer. -
Page 81: Specifications
+/-2 dB Resolution: 0.1 dB Digital Channel (Average) Power: Bandwidth: 0.28~9.99 MHz Center Frequency: 5 MHz (plus ½ channel bandwidth) to 870 MHz (minus ½ channel bandwidth) Digital modulation: QAM, QPSK Model Two & Model Two Lite - Operation Manual... - Page 82 3.6 V / 3.5 AH Ni-MH battery Charger: * AC 100 - 240 V, 50/60 Hz, 1.8 A 7 VDC (max) * Only the Trilithic Charger (P/N 0610165000) with internal charging circuitry may be used. Work Time: Average 6-8 hours (fully charged battery)
-
Page 83: Warranty Information
Warranty. This Warranty shall not apply to any part of the product 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. - Page 84 9710 Park Davis Drive Indianapolis, IN 46235 (317) 895-3600 www.trilithic.com P/N 0010229001 2/07 Made in U.S.A.
Need help?
Do you have a question about the Two and is the answer not in the manual?
Questions and answers