Bosch LBB 1925 Manuals

Table of Contents

• • 3

    Important Safeguards
  • 4

    About This Manual
  • 4

    Safety Precautions
  • 5

    Table of Contents
  • 6

    Plena System Pre-Amplifier | Installation and Operating Manual | Table of Contents En

• 7

  1 About the System Pre-Amplifier

  • 8

    Controls & Connections (Front)
  • 8

    Controls & Connections (Rear)

• 9

  2 Internal Settings (System Pre-Amplifier)

  • 9

    Setting the Zones for Trigger 1 and 2
  • 9

    Setting Tones
  • 10

    Setting the Speech Filter and Call Station Volume
  • 10

    Setting Priority
  • 11

    Setting Single and Dual Channel Use
  • 11

    Override Contact Setting

• 12

  3 Installation in Rack (System Pre-Amplifier)

• 13

  4 External Settings and Connections (System Pre-Amplifier)

  • 13

    Connect the DC Supply (Battery)
  • 14

    Connect a Microphone
  • 15

    Connect the Call Stations
  • 15

    Connect an Emergency Input Line
  • 16

    Connect Audio Sources for Background Music
  • 17

    Connect to a Booster

• 18

  5 Operation (System Pre-Amplifier)

• 19

  6 About the Call Stations

  • 20

    Controls & Connections (Top)

• 21

  7 Internal Settings (Call Stations)

  • 21

    Chime
  • 21

    Setting Sensitivity & Speech Filter

• 22

  8 Operation (Call Stations)

• 23

  9 Technical Data

  • 23

    System Pre-Amplifier LBB 1925
    • 23

      Electrical
    • 23

      Performance
    • 23

      Inputs
    • 24

      Outputs
    • 24

      Relays
    • 24

      Environmental Conditions
    • 24

      General
  • 25

    All-Call Call Station LBB 1941
    • 25

      Electrical
    • 25

      Performance
    • 25

      Environmental Conditions
    • 25

      General
  • 26

    6-Zone Call Station LBB 1946
    • 26

      Electrical
    • 26

      Performance
      • 26

        Selections
      • 26

        General
      • 27

        Chime Tone Tables