Protek 3201 User Manual

Rf field strength analyzer 2ghz

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99 Washington Street
Melrose, MA 02176
Fax 781-665-0780
TestEquipmentDepot.com

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Summary of Contents for Protek 3201

  • Page 1 99 Washington Street Melrose, MA 02176 Fax 781-665-0780 TestEquipmentDepot.com...
  • Page 2 ⅰ ⅰ...
  • Page 3 ⅱ ⅱ...
  • Page 4 ⅲ ⅲ...
  • Page 5 (1) Function mode: Displays the currently selected display (Spectrum, Bar graph, and Counter) (see page 23) (2) Scan mode: Displays the selected scan mode.3 types of scanning may be selected. See page 14 and 26 for manual scan, pages 17& 26 for search and pages 16 & 26 for channel scan. (3) Title name: The data memory, which is, selected (page 37) (4) Marker Frequency: The frequency in which the unit is currently tuned to as indicated by the marker indicator.
  • Page 6: Table Of Contents

    CONTENTS Quick Main Menu set up guide …..……………………………………………………… ⅰ Quick System Menu set up guide……………………………………………………..…. ⅱ Function Key Menu guide ..………………………………………………………………. ⅲ Display Description ………………………………………………………………………… ⅳ Ⅰ. Introduction ……………………………………………………………..……………… . 1. General …………………………………………………………………..……………. 2. Features …………………………………………………………………..…………….. Ⅱ. Specifications ………………………………………………………………..………….. Ⅲ. Precautions ……………………………………………………………………..………… Ⅳ.
  • Page 7 4. Search Scan ………………………………………………………………………… 17 5. Difference Mode …………………………………………………………………… 19 6. Frequency Counter ………………………………………………………………… 19 7. Recorder Mode ……………………………………………………………………… 21 8. Power supply ………………………………………………………………………… 22 1 Car and AC adapter ……………………………………………………………… 22 2 Battery Replacement ……………………………………………………………… 22 ………………………………………………………………………… 23 Ⅵ. Menu Description ………………………………………………………………………...
  • Page 8 8 SSB BFO ……………………………………………………………………………….. 39 9 Hold Mode ……………………………………………………………………………… 39 10 Level Hold …………………………………………………………………………….. 41 2. The System Menu ………………………………………………………………………… 42 1 System Menu display ………………………………………………………………… 42 2 db Unit ………………………………………………………………………………….. 43 3 Power Off ………………………………………………………………………………. 43 4 I/O Menu ………………………………………………………………………………..
  • Page 9: Ⅰ. Introduction

    The 3201 is the world’s first hand-held RF Field Strength Analyzer. With a wide band reception range of 100 KHz to 2060MHz, the 3201 is a compact and Lightweight portable analyzer. It is the ideal tool for field RF technicians to test, install and...
  • Page 10 Input impedance : 50Ω (standard) Max.Input voltage : Max. 5V RMS Audio output : 120mW into 8Ω speaker Level Measurement : -70 to –20dBmV(-10 to 40dBµV)for 300 to 1800MHz N-FM mode Range -60 to –20dBmV(0 to 40dBµV)for 1 to 300MHz and 1800 to 2000MHz : ±0.5dBµV Resolution : ±3dB(at an ambient of temperature of 23℃±3℃)
  • Page 11 Frequency Counter Frequency range : 9MHz to 2060MHz No. of digits : 7 digits Resolution : 1KHz Accuracy :±50 PPM ±1 count Sampling time : 0.512sec. Input sensitivity : 9MHz to 2000MHz: 150mV RMS 20MHz to 1000MHz: 100mV RMS Input impedance : 50Ω...
  • Page 12: Ⅲ. Precautions

    III. PRECAUTIONS Storage Do not store this equipment in: • Direct sunshine, near heating devices or in an automobile in the summer time. • Locations with high humidity and poor ventilation. • Dusty or smoky environments. • Extremely low temperature. Handling •...
  • Page 13 Be sure that the external DC input jack is the correct polarity. The DC jack tip must be positive in respect to ground. If the unit is not functioning correctly or “locked up” when the power is turned on perform the following procedure: •...
  • Page 14: Ⅳ. Functional Description

    IV. FUNCTIONAL DESCRIPTION 1. PANEL DESCRIPTION...
  • Page 15 1). Signal level input connector Connect to the Antenna or Coax cable. Maximum input Voltage is 5 Volts. 2). Frequency counter input Connect to the signal source to be measured. Maximum input voltage is 5 Volts. 3). Volume control Audio output Volume control. To increase the volume, rotate the Volume control clockwise. 4).
  • Page 16 17). RS-232C Connector(8 pin mini DIN connector) This connector is used for interfacing to a personal computer or a printer. 18). Belt Clip For attaching the RF-3201 to your belt. 19). Speaker For listening to the demodulated output of a RF carrier signal level.
  • Page 17: Ⅴ. Basic Operation

    V. BASIC OPERATION 1. General 1 Prior connecting to a power source See page 22 for inserting batteries, battery charging and connecting to a power source. 2 Input connection Connect the antenna or coax cable to the BNC input marked ANT if measuring a RF carrier signal level.
  • Page 18: Entering A Frequency Value

    4 To enter a frequency value [1] The selected scan mode is displayed in the top center of the LCD. In the above, example manual scan was selected. The frequency entered from the keyboard in this case is the is the center frequency and is the frequency indicated by the market. Note: in order to enter a frequency from the keyboard scanning must be halted.
  • Page 19: Positioning The Frequency Marker

    [3] When Normal Sweep has been selected the scan will halt when the signal level value is greater than the squelch level. Scanning will resume when the signal level value drops below the squelch level. [4] When scanning is halted the marker will indicate the signal level and display the amplitude value on the LCD.
  • Page 20 [2] To select the Manual scanning mode press the following key sequence: MENU ENTER ENTER (Select the Scan menu) (Select Manual Scan mode) [3] The center frequency, Span, Step Frequency and reception mode are displayed in the lower part of the LCD. Note: The frequency span is not displayed in the 2 channel difference, Single or counter modes.
  • Page 21: Memory Scan

    3. Ch. Memory Scan [1] Names and frequencies of signal levels of interest may be entered and stored in the channel memory prior to scanning. When scanned these signal levels will be displayed along with their frequencies and name. Ten displays of up to 160 signal level Channels per display(1600 channels total) may be entered, edited and stored in the channel memory (See pages 28 through 30) [2] To select the Channel scan mode press the following key sequence.
  • Page 22: Search Scan

    [7] A stored display in the Data memory may be scanned and displayed in the channel scan mode. The set up memory in this case is used for selecting the stored display to be scanned. [8] Example of a channel scan display: 4.
  • Page 23 [5] Pressing the or rotating the rotary dial while the scanning is stopped will move the market frequency indicator at the step frequency increment to different positions depending on which key is pressed or which direction the rotary dial is rotated. [6] Press the key to start the scanning.
  • Page 24: Difference Mode

    5. Difference mode Scans and displays 2 signal levels in which one signal level frequency is entered from the Keyboard and the other signal level is at a difference frequency selected from the step Frequency menu. The amplitude of each is displayed as a bar graph on the right side of the Display along with their signal difference.
  • Page 25 [2] Select the counter mode by pressing the keys or rotating the dial knob. [3] Connect the signal source output to the counter input Note : Maximum input voltage is 5Volts [4] Press the key to start the counter. When a signal is measured, is frequency value will be stored in the data memory starting at frequency position #1 (see page 38).
  • Page 26: Recorder Mode

    7. Recorder function The 3201 may be used to display and record (store in memory) trends and variations of a Signal level as a continuous pattern of bar graphs. This feature is convent if the amplitude Variations of a signal level under test need to be monitored over a period of time.
  • Page 27: Power Supply

    8. Power supply 1. Car adapter and Ac adapter [1] Before connecting be sure the power is off [2] Connect the AC adapter to the external DC input jack (see page 9 for location) 2. Battery replacement [1] Shut of the power and remove the external power adapter. [2] Remove the screws form the battery cover.
  • Page 28: Ⅵ. Menu Description

    Ⅵ. Menu Description 1. The Main Menu Press the key to display the Main menu as shown below. MENU Press the key or rotate the rotary dial to highlight the desired menu item then press key to make the selection. ENTER 1.
  • Page 29: Function Modes

    ▲▼ FUNCTION (Display) ▲▼ ▶ Scans 160 Channels and displays their signal levels as a spectrum. The ① SPECTRUM ① SPECTRUM channel at the marker indicator will have its frequency and amplitude displayed on the LCD. See figure 1 on page 25. ▶...
  • Page 30 Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 FAX 781.665.0780 - TestEquipmentDepot.com...
  • Page 31: Scan Modes

    3. Scan modes Selects the manner in which signal levels are scanned and displayed on the LCD. There are three scan modes to choose from, Search, Manual and Channel scan. ☞ Press the following key sequence to display the scan mode menu: MENU ENTER ENTER...
  • Page 32: Sweep Mode

    4. Sweep mode ☞ Press the following keys to select the sweep mode menu MENU ENTER ENTER (select scan Sweep Mode menu) (Choose the desired sweep mode) ▶ FREE RUN (Free Sing) The display trace sweeps continuously across the screen Regardless of the signal level amplitude or squelch level setting ▶...
  • Page 33: Edit Channel

    5. Edit Channel Signals with known frequencies along with their manes may be assigned a channel Number, edited and stored in the channel memory, The channel memory consists of 10 Memory banks, where each bank stores up to 160 channel frequencies and their names These stored channels may then be scanned and displayed in the Channel scan mode.
  • Page 34 Examples of the channel edit screen. EDIT CH MEMO EDIT CH MEMO Mem. NO. NAME FREQ Mem. NO. NAME FREQ WLTW 107.6 MHz WLTW 107.6 MHz WWOR 191.75 MHz WWOR 191.75 MHz WPIX 203.75 MHz WPIX 203.75 MHz WABC 179.75 MHz WABC 179.75 MHz WPLJ...
  • Page 35: Assigning A Channel Number

    5-2 Assigning a channel number [1] To assign a signal level, a channel number, or edit a frequency in the Channel Memory (refer to screen in the example in section 5-1), select the desired channel to be assigned or edited by pressing the Key or rotating the rotary knob.
  • Page 36 [3] To select Alphanumeric characters for a channel name press the key of rotate the rotary dial Knob until the desired character is displayed. Press the key to advance the cursor to the next character position and repeat the procedure until all characters are entered. Note: Numeric characters from may also be entered from the keypad.
  • Page 37: Insert Function

    5-4 Insert (INS) function. The insert function allows you to add a new channel name and frequency into any position in your stored Channel list. [1] Highlight the where the new channel is to be inserted in to the Channel list by pressing keys or rotating the dial knob [2] Press the key to highlight...
  • Page 38 ☞ Press the following key sequence to select the set up memory: MENU ENTER ENTER (Select the Scan mode menu ① Pg. 33) (Select the desired scan mode ② Pg. 33) MENU ENTER ENTER (Select the set up menu ③ Pg. 33) (Select a memory bank ④...
  • Page 39: Save And Load Setups

    6-2 Save and Load Setups [1] Select the memory location where a setup is to be saved or recalled with the or rotary dial (See page 32 sect. 6-1) [2] Press the key to highlight the SAVE icon at the bottom of the LCD. This will save the current menu selections, display data and the title name in the selected memory location.
  • Page 40 ☞ Press the following key sequence to load or recall a setup from memory a) To recall a setting Select the memory location (see sect 6.1 Load ⑤ b) To save a setting Select the memory location (see sect 6.1 Save 6-3 Title name A title name with up to 10 alphanumeric characters may be assigned to a display setup.
  • Page 41 [4] When the title name is completed press the ENTER Example: To enter CATV 9501 as a title name use the following procedure: A) Press and release the key. Until the character cursor is in the first character position. B) Select with the Keys or the rotary dial knob.
  • Page 42: Data Memory

    7 Data memory 7-1 Data memory setup The Data Memory feature allows you to save 10 displays of up to 160 channels per display in memory including amplitude, Attenuator and difference level data. These displays may be recalled at a later time. In the counter mode 10 measured frequencies may be saved and then recalled.
  • Page 43: Saving And Loading

    7-2 Saving and loading [1] The current LCD screen data and title maybe saved in a memory location by selecting the memory location with the keys and pressing the (save). Note: In the counter mode, pressing the key will store the frequency value indicated by the marker.
  • Page 44: Ssb Bfo

    8 SSB BFO MENU [1] Press the key and highlight the SSB BFO by pressing the ① or rotating the dial knob then pressing the key. Tuning the BFO will demodulate single side band ENTER signals. [2] The carrier frequency may be reinserted by tuning the BFO to 1.5KHz above the carrier frequency to recover the LSB or to 1.5KHz below the carrier frequency to recover the USB by pressing the ②...
  • Page 45 HOLD MODE HOLD MODE Hold mode disabled. Scanning stops when the signal level amplitude is greater than the Squelch level and restarts when the signal level amplitude drops below the Squelch level. Scanning will stop when received signal level amplitude is greater DELAY RUN DELAY RUN than the squelch level and then restart after the hold time...
  • Page 46: Level Hold

    Holds the peak variation of a signal level for 200mS A LEVEL HOLD mode may be operated at all times while the 3201 is running. Prior to scanning in a HOLD mode set all signal levels amplitudes to their minimum value or 0dB.
  • Page 47: The System Menu

    2 THE SYSTEM MENU The system menu contains the basic system operating and measurement parameters 1 System Menu display ☞ To Display the System menu press the following Key sequence: MENU MENU ENTER (Select the desired menu) SYSTEM SYSTEM Selects the decibel measurement unit. dB㎶, dBmV or dBmW may be dB UNIT dB UNIT selected...
  • Page 48: Power Off

    2 Setting the display dB units ☞ To Display the System menu press the following Key sequence: MENU ENTER MENU ENTER (Select dB unit menu) (Select dB㎶, dBmV or dBmW) 3 Setting the Auto power off feature This feature sets the amount of keyboard idle time before the unit shuts off. 5, 10, 20 or 30 Minutes may be selected.
  • Page 49: O Menu

    (Select the I/O Setup menu ①) (Select Baud rate or parallel port ②) 5 Printer Menu Displays the list of printers, which may be connected to the 3201 for printing out display data. PRINTER PRINTER Selects the optional “Protek Printy” (part No. PR 232)
  • Page 50: Copy Set Mode

    ☞ Key sequence for selecting the Printer menu MENU ENTER MENU ENTER (Select the printer menu ①) (Select the desired printer ②) 6 Copy set Mode The copy set mode allows the contents of the Channel edit, Setup and Data memories to be copied to an external device.
  • Page 51: External Attenuators

    7 External Attenuators An external Attenuator may be connected to the signal level input in order to increase the measurement range. Upon doing so it is necessary to change the Reference level. This is accomplished by selecting the appropriate attenuation value in the ATT dB set menu. Standard Attenuator values of 3,6,10,20,30,40,50 or 60 dB may be selected with the Keys or dial knob or a non-standard value may be entered through the key board.
  • Page 52: Test Set Menu

    TEST 2 Same as Test 1. TEST 2 This utility is used for internal calibration of the 3201. This utility CALIBRATE CALIBRATE compares the input signal level and the level detector output and creates a correction factor which is written in to a non volatile memory.
  • Page 53: Battery Check

    10 Battery Check The status of the battery may be checked. This item displays the status of the battery as a bar graph. Batteries should be replaced or recharged when the Bar graph indicates low. See page 44 for battery charging and replacement.
  • Page 54: Function Keys

    3 Function keys In normal operation the following menus are displayed at the bottom of the LCD. To select one of these menus press the corresponding function key STEP MODE STEP MODE 1 RUN [1] Pressing the key highlights the icon located at the bottom of the LCD (see above figure).
  • Page 55: Mode

    [5] A step frequency of frequency difference is selected by pressing the keys or ENTER rotating the dial knob and then pressing the key. [6] When entering a step frequency from the keyboard, step frequencies of multiples of 5KHz or 6.25KHz must be entered. When entering a difference frequency value, pressing the key prior to entering a difference frequency will enter a + (positive) frequency value.
  • Page 56: Sql (Squelch Level)

    4 SQL (Squelch level) To set the squelch level, press the key to highlight the icon on the lower right hand side of the LCD. Press the keys while observing bar graph to set the squelch to the desired level ①. Press the key when finished.
  • Page 57: Light

    2 LIGHT Press the key then the key to display the Back light menu. There are 3 items that can be selected from this menu with the key or the rotary dial. Auto: Then back light will go off after approximately 5 seconds after the last key entry ON: The backlight is always on OFF: The backlight is always off Press the ENTER...
  • Page 58: Print

    OFF: No grid lines are displayed Grid 2: Horizontal grid lines only are displayed Press the ENTER key to complete the selection 4 PRINT A hard copy of the LCD display is possible by selecting a printer from the Printer menu. Prior to printing it is necessary to set up the correct baud rate if the printer to be used is a serial printer or select the parallel port if the printer is a parallel printer (See I/O menu page 44).
  • Page 60 RS-232C REMOTE COMMAND 1. General Features 1) Each Mode Setup 2) Reading and writing each datum 2. COMMAND Type “A0 XX CR” A0: ASCII CODE XX: When DATA needed CR: 0DH(CR) 3. ERROR Output and REMOTE Control If Communication Error, or Command Error occurs, “?” will be indicated on the bottom right side of the screen, and “R”...
  • Page 61 Communication setup: Press MENU KEY twice and select I/O SETUP MODE, then enter the speed rate. Best condition of data communication is 9600 BPS. 7. Frequency Setup 1) Frequency Setup Format Type COMMAND + DATA(ASC CODE) + CR(0DH) Ex.) MARKER frequency on 2000.10625 MHz “K02000.10625”...
  • Page 62 9. ATT Level Data Setup COMMAND + DATA(ASC CODE) + CR(0DH) Ex.) ATT LEVEL on 18.5dB, Enter “S018.5” CR ATT LEVEL on 0.0dB, Enter “S00.0” CR 10. COMMAND CODE(*: default set) 1) Function Mode Setup SPECTRUM MODE BAR 160CH MODE BAR 80CH MODE BAR 40CH MODE BAR 20CH MODE...
  • Page 63 Ex.) D1 CR: CH BANK in No 2 SCAN MODE will be operated in CH SCAN MODE only 5) SSB BFO LEVEL Setup E0(30CH) BFO on LOW(-) E0(6FH) BFO on MID(0) E (AFH) BFO on HI(+) Ex.) E0 CR: On LOW Receiving MODE is operated on SSB MODE Only 6) MODE Setup DELAY RUN MODE...
  • Page 64 Ex.) J1 CR: COPY input START All the data of CH and DATA MEMORY will be outputted in HEX ** Recommend not to use this function. Special users only. 11) Frequency Setup MARKER frequency SETUP frequency DIFFERENCE STEP frequency Ex.) K0 2000.12625 CR: MARKER frequency on 2000.12625MHz 12) Frequency Output MARKER frequency STEP frequency...
  • Page 65 AUTO POWER ON Ex.) P1 CR: AUTO POWER OFF after 10 minutes 17) RUN STOP Setup STOP mode RUN mode Ex.) Q1 CR: RUN mode 18) LEVEL DATA Output Setup LEVEL DATA Output Indicated CH LEVEL DATA Output Previous CH and DIFFERENCE LEVEL DATA Output CH DATA and CH DATA Output each time 19) A.T.T LEVEL DATA Setup ATT LEVEL DATA...
  • Page 66 24) DB UNIT MODE Setup dB mV unit dB ㎂ unit dBm unit 25) Voice Demodulation Setup Demodulation LEVEL in LOW Y 7FH Demodulation LEVEL in HIGH Ex.) V9 CR: Demodulation LEVEL ** Recommend not to use this function. Special users only 26) TEST MODE OFF Setup TEST MODE OFF ** Recommend not to use this function.

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