General Dynamics UP/DN CONVERTER L-BAND, LT-3600 Operation, 1200.000 +25.0 dB 1300.000 +35.0 dB

Integrated L-Band Up/Dn Converter LT3600	CG-1309
SECTION 3	Operation

3.0 INTRODUCTION

The Up/Down Converter can be controlled from the front panel or remotely via a serial bus located on the rear panel of the converter. Various menus are available for EDIT and DISPLAY purposes.

Red LED illuminates when any of the monitor functions in the converter are not within pre-defined parameters.

See Figure 3-2 for a listing of the menus. Section 4 gives a complete description of the bus commands and conventions for operating the converter remotely.

PLUGGED; NOT USED

	UC 1200.000	+25.0 dB		1	2	3	4	5	LCL	ENT	MENU
UP/DOWN CONVERTER											IF	RF
	DC 1300.000	+35.0 dB
LT3600			ALARM	6	7	8	9	0			MENU

UC	1200.000	+25.0 dB
DC	1300.000	+35.0 dB

THE DISPLAY WINDOW SHOWS THE VARIOUS SETTINGS FOR THE UNIT. CONTROL AND STATUS MENUS CAN BE VIEWED BY USING THE UP AND DOWN MENUS KEYS.

USED TO MAKE FUNCTIONAL SELECTIONS WHEN IN ANY OF THE SET MENUS. THESE KEYS MOVE A CURSER UNDERLINE LEFT OR RIGHT TO ENTER NUMERICAL DATA FROM THE 0-9 KEYS.

MENU MENU

USED TO SCROLL THE MENU DISPLAY UP AND DOWN.

0 9

USED FOR ENTERING NUMERICAL DATA FOR VARIOUS PARAMETER SETTINGS. THE APPLICABLE NUMBER IS ENTERED AT THE CURSER UNDERLINE AND THEN ENT IS PRESSED TO ACCEPT THE CHANGE.

		PRESSING THIS BUTTON
	ENT	CHANGES THE PARAMETERS
		ENTERED WHEN IN ANY OF THE
		EDIT MENUS. IF THE
		PARAMETERS ARE CHANGED
		WITH THE NUMERICAL KEYPAD,
		BUT IF THIS BUTTON IS NOT
		PRESSED, THE PARAMETER
		UNDERLINED WILL NOT CHANGE.
	PRESSING THIS BUTTON
LCL	TOGGLES BETWEEN EDIT
AND	DISPLAY MODE.

Figure 3-1 Front Panel Controls and Indicators

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