TriBrer EVA50-40 User Manual
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TriBrer EVA50-40 User Manual

Variable optical attenuator
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Summary of Contents for TriBrer EVA50-40

  • Page 2 WARNING WARNING You are cautioned that changes or modifications not espressly approved in this document could void yout authority to operate this equipment. To reduce the risk of fire or electric shock,do not expose this apparatus to rain or moisture. To avoid electrical shock, do not open the cabinet.
  • Page 3 1-Protection rubber 2-LCD, display the status and the attenuation value 3-Wavelength shift key 4-Power key 5-Save key 6-Recall key 7-Back light key 8-Attenuation value increase key 9-Attenuation Step key 10-Referrence set key 11-Attenuation value reduce key 12-Connector (standard:FC/PC)

  • Page 4: Set Batteries

    Set batteries Warning:At the same time, can not use different style and different capacitance batteries. 1.Press and push down 2.Open the lid 3.Place the batteries 4.Close the lid and push up...

  • Page 5: Power On/Off, Auto Power Off

    Power on/off, auto power off Press the key to turn on the device with auto power off. About 10 minutes no key pressed, it will auto power off. Keep p ressing key for 2 seconds when turn on the device, the auto power off will be cancelled, and the LCD will show PERM .

  • Page 6: Wave Select

    Wave select Press the key to shift the wavelength. And the corresponding wavelength will be on the LCD. It have three wavelengths: 1310nm,1490nm,1550nm.
  • Page 7 Adjust the attenuation value Press the key to increase the attenuation value and press the key to reduce the attenuation value. The Max. attenuation value is 60.0dB and the Min. attenuation value is 00.0dB.
  • Page 8 Reference Press the key to set the reference of attenuation value and it will be displayed on the LCD. It will be cancelled when you press the key again...
  • Page 9 Saving the attenuation value Press the Save Save key to save the attenuation value and it will enter the save menu. It can save eight value . Press the key to select the different record and press the Save Save key to save.If you do not want to save the value you can press the Recall key.
  • Page 10 Recall Pressing the Recall key can shift the eight records that you have saved.
  • Page 11 Select the attenuation step Press the Step key to select the different atte nuation step. It have three steps: 1. 0.1dB 2. 1dB 3. 10dB...

  • Page 12: Battery Energy Detect

    Battery energy detect 1310nm 1490nm 1550nm Video mode >2S PERM dBm/dB Threshold Save REF/ ReCall Enter Remain80%---100% Remain40%---80% Remain20%---40% Remain less than20% If the energy is too low, the beep will be on and device will auto power off.

  • Page 13: Battery Charge

    Battery charge First you must use the rechargeable batteries. When the energy is less than 20%, you should charge the batteries. Long time low energy, the life of the batteries will be short. When charging, the charging state LED will be red. After charging fully, the LED will be green.

  • Page 14: Maintenance And Calibration

    Maintenance and calibration Routine attention 1.Fiber-optical adapter should keep clean. 2.Please store the device in dry and ventilated place. 3.For long period no use , please take out the batteries. Common malfunction Handle way Handle way Described Described Malfunction cause Malfunction cause No battery Can't turn on...

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