Bacharach 2772-0803 manual CONTENTS continued, System Operation And Features

REMOTE INTELLIGENT SENSOR - AREA MONITOR

CONTENTS (continued)

2.8	SYSTEM CHECK			2-4
	2.8.1	TAPE CASSETTE LOADING		2-4
	2.8.2 CHECK AND ADJUST SYSTEM PARAMETERS			2-5
	2.8.2.1		V, System Voltage	2-5
	2.8.2.2		mA, ‘Charger Current’	2-5
	2.8.2.3		Alarm Set Points	2-5
	2.8.2.4 Alarm Level 1 and 2			2-5
	2.8.2.5		Gas Curve	2-6
	2.8.2.6 Multi Gas Curve Systems			2-6
	2.8.2.7 Light Levels Track 1 & 2			2-6
	2.8.2.8		Flow Rate	2-6
	2.8.2.9		Date & Time	2-6
	2.8.2.10		Interruption of TEST Mode Cycle	2-7
2.9	2.8.2.11		Completion of Checks	2-7
	OPTION PCB INSTALLATION			2-7
	2.9.1 PRINTER (OPTION) INTERFACE INSTALLATION			2-7
	2.9.2	PORTABLE PRINTER		2-7
	2.9.3	ALARM MODULE CONNECTION		2-7
	2.9.4	RELAY ALARM INSTALLATION		2-7
3 SYSTEM OPERATION AND FEATURES				3-1
3.1	COMPLETE SAMPLING SEQUENCE			3-1
	3.1.1	AUTOMATIC PURGE CYCLE		3-1
	3.1.2 TWIN TRACK TAPE SAMPLING			3-1
3.2	3.1.3	TAPE REFERENCE MEASUREMENT		3-1
	DENSITY AND TIME OPERATING MODES			3-2
	3.2.1	DENSITY MODE		3-2
	3.2.2	TIME MODE		3-2
3.3	CHANGE-OVER FROM DENSITY TO TIME MODE			3-2
3.4	MIMINUM SAMPLE TIME			3-2
3.5	TAPE CASSETTE LIFE			3-2
3.6	DATA POINT STORAGE			3-2
3.7	SYSTEM DISPLAY			3-2
	3.7.1 SYSTEM NORMAL, GAS CONCENTRATION ZERO OR LOW			3-2

3.7.2SYSTEM NORMAL, GAS CONCENTRATION ABOVE THE

		ALARM THRESHOLD	3-3
3.7.3		OVERRANGE ALARM	3-3
3.7.4		SYSTEM FAULT	3-3
3.8 SYSTEM ALARMS			3-3
3.8.1		GAS ALARM	3-3
3.8.2 ADDITIONAL GAS ALARM SET POINT			3-3
3.8.3		FAULT RELAY	3-4
3.9	DIAGNOSTICS		3-4
3.10	TEST MODE		3-4
3.11	KEYPAD FUNCTION		3-4
3.11.1		‘HOLD/RELEASE’ KEY	3-4
3.11.2		‘PRINT’ KEY	3-4
3.11.3 ‘15 MIN TWA (DECADE)’ KEY			3-4
3.11.4 ‘8 HR TWA (DIGIT SET)’ KEY			3-4
3.12 USING THE KEYBOARD			3-4

Page ii Instruction 2772-0803