Manual Control Switch Box -

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Enterprise Control System

Manual Control Switch Box

COFDM Aircraft Transmitter Control Unit
The Enterprise Control Systems Ltd (ECS) Manual Control Switch Box (MCSB) comprises of a small panel-mounted housing with six rotary Transmitter parameter control switches and a Transmitter power toggle switch.
Manual Control Switch Box
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  • General Description
  • Technical Data

General Description

The Manual Control Switch Box (MCSB) is an intuitive user interface for the ECS airborne downlink transmission system. Designed for the air operator, six rotary switches are provided for Transmitter parameter control. The six switches enable the user to select and control the following:
• RF Power Control (1, 5, 10 W)
• Channel Bandwidth (2, 4, 6, 8 MHz)
• Frequency (Channel (1,2,3,4,5,6,7,8)
• Modulation Scheme (QPSK, 16-QAM)
• Video A Encoder Modes (Off, SD1, SD2, HD1, HD2, HD3, HD4)
• Video B Encoder Modes (Off, SD1, SD2, HD1, HD2, HD3, HD4)
The Video Encoder Mode switches, for the two video encoders, are provided to allow the user to select the video sources to be encoded and transmitted from multiple inputs.
The RF Power, channel bandwidth and modulation scheme switches allow selection to give the best range performance for the system.
The MCSB is connected to the ECS airborne downlink transmission system via the ECS System Control Unit (SCU).

Technical Data

Controls: 6 x Rotary Switches
1 x Toggle Switch
Power: 110 mA at 28 VDC (nominal) line powered from SCU
Mass: 400 g approx
Dimensions: 146 x 121 x 57 mm (Dzus fittings on a 47.6 mm pitch)
Operating Temperature: -10º C to +55º C
Operating Humidity: Up to 95% relative humidity, non-condensing
Functions: RF Power Level Control
Channel Bandwidth Select
Frequency Channel Select
Modulation Select
Video A Input Source Select
Video B Input Source Select