OMB EM 100 DIG Technical Manual
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Contents
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FM TransmitterSistemas Electrónicos S.A EM 100 DIGTechnical Manual - v1.2 - November 2005 91.3 Description of panels.The EM-100 DIG Front Panel is very clean and easy to control. The wide alphanumeric display andthe control keyboard allows a simple self-explanatory menu-driven navigation through the variousoptions. A great care was taken in the design of the software to allow natural feeling with the controlsto allow operation and programming in every respect of the Equipment without needing toextensively read this manual. The password management hides some functions and preventstampering with the most critical options and data to unauthorized people.Figure 1-2 shows the simple Equipment's Front Panel, indicating all supervision & control elements:Figure 1- 2: Transmitter Front Panel.These supervision &control elements are numbered in Figure 1-2 as follows:1 - STANDBY condition indicator LED.2 - Twin-row Alphanumeric dot-matrix LCD display, working directly with Microcontroller unit.3 - Programming & parameter selection keyboard: White keyboard to scroll and navigate through the different menus and options. OK key (blue). Enter key to confirm some order or command. CANCEL key (orange). Escape key to cancel menu or command.4 - ON/STBY switch. This ON/STANDBY key do not power off equipment, which is still locked onfrequency and ready to transmit as soon the key is pushed or a remote command is sent.5 - ALARM LEDs PANEL:Alarm red LED lights on in event of any equipment's alarm condition.VSWR red LED lights on showing that RF output circuit is overloaded by a severe high VSWRcondition.Limiter red LED lights on showing too high audio signal level at equipment's input,andsubsequent operation of baseband peak clipper.6 - DISPLAY CONTRAST potentiometer, to adjust LCD screen backlighting to a comfortable contrastlevel in order to get easy readings. |
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