Termo AIRSCOUT SPECTRUM User Manual
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Termo AIRSCOUT SPECTRUM User Manual

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Distribution in the UK
Lambda Photometrics Limited
Lambda House Batford Mill
Harpenden Herts AL5 5BZ
United Kingdom
E:
info@lambdaphoto.co.uk
W: www.lambdaphoto.co.uk
T:
+44 (0)1582 764334
F:
+44 (0)1582 712084
55501342 REV 0
USER MANUAL
© 2022 Tempo Communications Inc.
Airscout Spectrum 0.3-3 GHz v.2
Airscout Spectrum 2-8 GHz v.2
Airscout Spectrum 24-40 GHz v.2
(FW V5.2.8.6)
(FW V5.4.3.6)
(FW V5.3.6.12)
03/2022

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  • Page 1 USER MANUAL Airscout Spectrum 0.3-3 GHz v.2 (FW V5.2.8.6) Airscout Spectrum 2-8 GHz v.2 (FW V5.4.3.6) Distribution in the UK Airscout Spectrum 24-40 GHz v.2 (FW V5.3.6.12) Lambda Photometrics Limited Lambda House Batford Mill Harpenden Herts AL5 5BZ United Kingdom info@lambdaphoto.co.uk...
  • Page 2 Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. Airscout Spectrum does not contain serviceable parts. Warranty will not be applicable in the event Airscout Spectrum has been opened.

  • Page 3: Table Of Contents

    2.14.2 TIME ..................48 2.14.3 COLOR ................. 49 2.14.4 SIGNAL ID ................49 2.15 Firmware upgrade ................50 2.16 Realtime mode with AirScout Spectrum Manager ........51 CONTACTS Tempo Communications Inc. 1390 Aspen Way • Vista, CA 92081 USA • 800-642-2155...

  • Page 4: Overview

    Furthermore, its high sensitivity and low noise floor make it possible to detect even exceptionally weak signals. The Airscout Spectrum can also be used for high preci- sion detection of existing interference on installed paths or available radio channels.
  • Page 5 AIRSCOUT SPECTRUM Table 1 ASPEC03BK ASPEC08BK ASPEC40BK Frequency range 0.300 - 3.000 GHz 2.000 – 8.000 GHz 24.000 – 40.000 GHz Displayed Average Noise Level -128 dBm @ RBW=10 kHz -119 dBm @ RBW=30 kHz -100 dBm @ RBW=100 kHz...

  • Page 6: Accessories

    28 Handle and Airscout Spectrum v.2 bracket for 3-5 GHz antenna 29 Handle and Airscout Spectrum v.2 bracket for 5-7.5 GHz antenna 30 Handle and Airscout Spectrum v.2 bracket for 6-10 GHz or 11-17 GHz antenna 31 Handle and Airscout Spectrum v.2 bracket for 17-26 GHz antenna 32 Handle and Airscout Spectrum v.2 bracket for 26-43 GHz antenna...

  • Page 7: Operation

    USB type-C port To turn on Airscout Spectrum, press and hold the power button on the left side for about 1.5 seconds. To turn the device off, press and hold the button again for about 1.5 seconds. The guaranteed operation time with a fully charged battery is 4 h.
  • Page 8 Tapping the clock in the upper right corner swaps the displayed time/date format. To save a spectrum curve for later review, use the SAVE button. The files are saved in Airscout Spectrum Curve file format (.scc). They can be reviewed in FILES menu and are accessible when the device is connected to a computer from folder CURVES.

  • Page 9: Freq

    AIRSCOUT SPECTRUM Sweep Tapping the SWEEP CONT. button starts and stops continuous sweep of the selected spectrum range and register- ing of a spectrum curve. beginning. When SWEEP CONT. is enabled, the SWEEP CONT. button is green and a small white bar is moving under the graph, indicating how far the selected span has been swept.
  • Page 10 AIRSCOUT SPECTRUM Modifying START or STOP frequency will alter CENTER frequency and SPAN, but will preserve the STOP or START frequency, respectively. Modifying CENTER frequency will alter both START and STOP frequencies but will preserve SPAN, if possible (it may not be possible due to limits of supported frequency range).

  • Page 11: Span

    1.5 MHz for 30 kHz RBW, 5 MHz for 100 kHz RBW, 15 MHz for 300 kHz RBW, and 50 MHz for 1 MHz RBW. The maximum allowed SPAN for MIN/MAXHOLD trace Table3 AirScout Spectrum Frequency Range 0.3-3 GHz 2-8 GHz...
  • Page 12 AIRSCOUT SPECTRUM To exit the SPAN menu and return to the main screen, tap BACK. Entering the SPAN menu The SPAN menu 2.5 Marker MARKER and POWER IN BAND cannot be activated both at the same time. Tapping the PEAK button turns on and off the automatic search for the highest input power level in the displayed frequency range, and places the MARKER there.
  • Page 13 • 10 kHz* • 30 kHz • 100 kHz • 300 kHz • MHz** Only Airscout Spectrum 0.3-3 GHz ** Only Airscout Spectrum 2-8 GHz, 24-40 GHz Tempo Communications Inc. 1390 Aspen Way • Vista, CA 92081 USA • 800-642-2155...
  • Page 14 Narrower RBW allows to distinguish closer signals, but the span is swept considerably slower. The 10 kHz RBW for Airscout Spectrum 0.3-3 GHz and 30 kHz for Airscout Spectrum 2-8 GHz is most effectively utilized together with a lower reference level (see REF).

  • Page 15: Level

    AIRSCOUT SPECTRUM Entering the RBW & VBW menu The RBW & VBW menu Tapping the AUTO button enables and disables automatic adjustment of RBW and VBW depending on the selected SPAN. AUTO ensures optimum use of the filters. AUTO is enabled by default. When AUTO is enabled, the AUTO button is green at the RBW &...

  • Page 16: Ref

    The REF submenu is available for Airscout Spectrum 0.3-3 GHz for all it’s RBW and also REF submenu is available for Airscout Spectrum 2-8 GHz when selecting 30 khz or 100 khz RBW. It allows changing the gain and thus the reference level of the spectrum analyzer.

  • Page 17: Att

    30 dB 2-8 GHz 0 dB 6 dB 1 0 dB 16 dB 20 dB 26 dB 3 0 dB * Only Airscout Spectrum 0.3-3 GHz, 2-8 GHz Tempo Communications Inc. 1390 Aspen Way • Vista, CA 92081 USA • 800-642-2155...

  • Page 18: Lna

    The ATT menu 2.7.1 LNA* very weak signals but the reference (overload) level is considerably lowered. * Only Airscout Spectrum 0.3-3 GHz, 2-8 GHz When LNA is enabled, the LNA button is green and an indication is displayed under the graph. LNA is disabled by default.
  • Page 19 AIRSCOUT SPECTRUM The LNA menu Tempo Communications Inc. 1390 Aspen Way • Vista, CA 92081 USA • 800-642-2155...

  • Page 20: Units

    The input power values are converted for the vertical axis, reference level REF indication, and for Center, MARKER, and POWER IN BAND readouts. Only the displayed units on the Airscout Spectrum are changed, the power values are still detected and stored in dBm.
  • Page 21 AIRSCOUT SPECTRUM While in the dBuV/m menu, tapping the graph will place the dBuV/m marker there. dBuV/m marker can be moved also by dragging it. If the dBuV/m marker frequency is outside of the currently displayed frequency range, arrows on t he graph will indicate beyond which side of the graph the marker is positioned.
  • Page 22 AIRSCOUT SPECTRUM The UNITS menu The “dBuV/m” menu SCALE menu is available only for default units “dBm”. Adjust the scale before selecting non-default Tempo Communications Inc. 1390 Aspen Way • Vista, CA 92081 USA • 800-642-2155...

  • Page 23: Scale

    AIRSCOUT SPECTRUM 2.7.5 Scale The SCALE menu allows selecting the MAX (highest limit of the vertical axis) and MIN (lowest limit of the vertical axis) values of the displayed input power range in dBm, and an input power level OFFSET value (e.g. if an external attenuator is being used) in decibels dB.

  • Page 24: Trace

    AIRSCOUT SPECTRUM 2.8 Trace The TRACE menu allows adjusting the swept spectrum curve by selecting the most suitable DETECTOR and trace type. Entering the TRACE menu The TRACE menu The DETECTOR determines which of the detected input power levels are displayed on the screen since the Airscout Spectrum does several measurements of the same frequency range during each sweep.
  • Page 25 AIRSCOUT SPECTRUM DETECTOR: MAX DETECTOR: MIN The available trace types are: • NORMAL Normal trace mode (the default trace mode). The power level values after the detector are displayed on the screen in real-time without additional processing. • MAXHOLD Shows in blue the highest power levels registered since the sweeping with this trace mode commenced, additional to the NORMAL (actual real-time) trace.
  • Page 26 AIRSCOUT SPECTRUM • CUMULATIVE Shows in green all detected input power levels in range since the sweeping with this trace mode began. The number in green under the graph shows how many sweeps the CUMULATIVE trace has been plotted. CUMULATIVE trace shows how the signal energy is divided within the spectrum.
  • Page 27 AIRSCOUT SPECTRUM For the maximum allowed SPAN for MIN/MAXHOLD trace please see Table3 To exit the TRACE menu and return to the main screen, tap BACK. MAXHOLD trace mode CUMULATIVE trace mode AVARAGE trace mode MIN/MAX HOLD trace mode Tempo Communications Inc.

  • Page 28: Power In Band

    AIRSCOUT SPECTRUM 2.9 Power In Band POWER IN BAND feature also can be used to measure the channel width or channel separation MARKER and POWER IN BAND cannot be activated both at the same time. Tapping the SET TO CENTER button centers POWER IN BAND on the CENTER frequency of the currently selected SPAN.
  • Page 29 AIRSCOUT SPECTRUM Entering the POWER IN BAND menu The POWER IN BAND menu Tempo Communications Inc. 1390 Aspen Way • Vista, CA 92081 USA • 800-642-2155...

  • Page 30: Save

    AIRSCOUT SPECTRUM 2.10 Save indicates the trace mode (“C” corresponds to NORMAL, “M” to MAXHOLD, “W” to CUMULATIVE, “A” to AVERAGE 2/4/8/16 and SAVE button is not available if at least one full sweep has not been done with the current sweep settings.

  • Page 31: Preset

    AIRSCOUT SPECTRUM 2.11 Preset The PRESET menu allows resetting the Airscout Spectrum to the factory defaults. Use PRESET to quickly default settings and clear enabled features. PRESET will not format the internal storage disk of the Airscout Spectrum. To exit the PRESET menu and return to the TOOLS menu tap BACK.

  • Page 32: Full Screen

    SAVE, and SWEEP CONT. accessible. The LOCK SCREEN button allows locking the screen of the Airscout Spectrum so that no button on the screen can be To exit the FULL SCREEN mode and return to the main screen, tap BACK.

  • Page 33: Tools

    AIRSCOUT SPECTRUM 2.13 Tools Additional functions of the spectrum analyzer are accessible at the TOOLS menu. To access the TOOLS menu, tap the TOOLS & SETTINGS button from the main screen. To exit the TOOLS menu and return to the main screen, tap BACK.

  • Page 34: Files

    AIRSCOUT SPECTRUM 2.13.1 Files The FILES menu allows operating with previously saved spectrum curves. RBW), and the MARKER or POWER IN BAND can be enabled or adjusted. Also, a mask can be enabled from the TOOLS & SET- TINGS menu (see MASK MODE).
  • Page 35 AIRSCOUT SPECTRUM and screen settings, a mask, etc. button is active on the main screen. Enteringthe PROFILES menu The PROFILES menu Tempo Communications Inc. 1390 Aspen Way • Vista, CA 92081 USA • 800-642-2155...

  • Page 36: Mask Mode

    AIRSCOUT SPECTRUM 2.13.3 Mask Mode trum curve with another one. MASK MODE is not available for CUMULATIVE and MIN/MAXHOLD trace modes. CUMULATIVE traces cannot be used as masks. then tap the SET AS MASK button (to exit the SELECT FILE submenu without selecting a mask, tap BACK). This selected mask curve is put on the graph and it is displayed in red.

  • Page 37: Path Calc

    The PATH CALC menu allows evaluating received signal level (RSL) in dBm. The calculator is adapted for the 300 – 3000 MHz frequency range in the Airscout Spectrum 0.3-3 GHz, for the 2000 – 8000 MHz in the Airscout Spectrum 2-8 GHz, for the 24000 –...
  • Page 38 AIRSCOUT SPECTRUM Entering the PATH CALC menu The PATH CALC menu The PATH CALC menu Tempo Communications Inc. 1390 Aspen Way • Vista, CA 92081 USA • 800-642-2155...

  • Page 39: High Contrast

    AIRSCOUT SPECTRUM 2.13.5 High Contrast Tapping the HIGH CONTRAST button swaps the interface color scheme and sets screen background brightness to maximum. HIGH CONTRAST mode is designed to improve visibility in direct sunlight. In HIGH CONTRAST mode, the active buttons are indicated by a narrower shape instead of green color.

  • Page 40: Record

    POWER IN BAND can be enabled or adjusted. Also, a mask can be enabled. To exit the MORE OPTIONS submenu, tap BACK. A record can be deleted with DELETE RECORD or from the folder “RECORDS“, when Airscout Spectrum is connected to a computer.
  • Page 41 AIRSCOUT SPECTRUM To close the record and exit the OPEN RECORD submenu, tap BACK. To exit the RECORD menu and return to the TOOLS menu tap BACK. The RECORD menu Entering the RECORD menu The OPEN RECORD submenu The MORE OPTIONS submenu Tempo Communications Inc.

  • Page 42: Record Time Plot

    Tapping the RECORD OPTIONS button opens the record with the regular visualization, see RECORD. To then return to the time plot visualization, tap the button OPEN TIME PLOT. A record can be deleted with DELETE RECORD or from the folder “RECORDS“, when Airscout Spectrum is connected to a computer.
  • Page 43 AIRSCOUT SPECTRUM To exit the OPEN TIME PLOT submenu, tap BACK. To exit the RECORD TIME PLOT menu and return to the TOOLS menu, tap BACK. Entering RECORD TIME PLOT menu The RECORD TIME PLOT menu The OPEN TIME PLOT submenu Tempo Communications Inc.

  • Page 44: Auto Rotate

    AIRSCOUT SPECTRUM 2.13.8 Auto Rotate Tapping the AUTO ROTATE button turns on and off the automatic rotation of the screen if the device is turned by 90, 180, or 270 degrees. When AUTO ROTATE is enabled, the button is green. Disabling the AUTO ROTATE locks the screen position as it is at that moment.

  • Page 45: About

    DISABLE CHARGING is automatically deactivated when the device is turned off. • USB MODE The submenu USB MODE allows setting the Airscout Spectrum to either Mass Storage Device (MSD) mode or to Virtual COM Port When Airscout Spectrum is connected to a computer in MSD mode, it is not possible to save, rename The VCP mode allows opening a serial connection with the computer and accessing CLI.

  • Page 46: Settings

    AIRSCOUT SPECTRUM Entering the SERVICE menu The SERVICE menu 2.14 Settings All the other settings of the spectrum analyzer are accessible from the SETTINGS menu. To access the SETTING menu, from BACK. To return to the main screen, tap MAIN MENU.

  • Page 47: Bright

    AIRSCOUT SPECTRUM 2.14.1 Bright The BRIGHT menu allows setting the background brightness of the screen. Tapping the “+” button or moving the slider up, increases the brightness, tapping the “-“ button or moving the slider down, decreases the brightness. To exit the BRIGHT menu and return to the SETTINGS menu, tap BACK.

  • Page 48: Time

    (also OK button is red). To confirm a valid value, tap the OK button or tap the selected param- eter’s box. If the battery of Airscout Spectrum was fully discharged or removed and the clock was stopped, before using the analyzer there is a prompt to set time to ensure the correct timestamp for files.

  • Page 49: Color

    The COLOR menu 2.14.4 Signal ID SIGNAL ID is available for all Airscout Spectrum models on which is possible to set-up 1 MHz RBW. These Airscout Spectrum models are: 2-8 GHz, 24-40 GHz Tapping the SIGNAL ID button turns on and off a filter algorithm that reduces the power levels of the harmonic signals.

  • Page 50: Firmware Upgrade

    The SIGNAL ID button Operation of SIGNAL ID 2.15 Firmware Upgrade Make sure that the firmware file is for the correct Airscout Spectrum product! Also please avoid downgrading to older firmware versions! 1. Turn Airscout Spectrum on. 2. From the main screen tap TOOLS & SETTINGS, then tap SERVICE MENU. Tap USB MODE.

  • Page 51: Realtime Mode With Airscout Spectrum Manager

    4. Connect the device to a PC with installed AirScout Spectrum Manager software. 5. Launch AirScout Spectrum Manager. 6. Either select “Start Realtime” (if there is only one Airscout Spectrum device connected to the PC) or wait for the AirScout Spectrum Manager to detect all connected devices and then choose the desired one from a drop-down list.
  • Page 52 Distribution in the UK & Ireland Lambda Photometrics Limited Lambda House Batford Mill Harpenden Herts AL5 5BZ United Kingdom Characterisation, info@lambdaphoto.co.uk Measurement & W: www.lambdaphoto.co.uk +44 (0)1582 764334 Analysis +44 (0)1582 712084...

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