
GASMAX ECx Instruction Manual
Revision 1.1
2
Table of Contents
SECTION 1 – SAFETY INFORMATION ......................................................................................... 3
1.1
Safety Information – Read Before Installation & Applying Power ......................... 3
1.2
Contacting GDS Corp.................................................................................................. 3
SECTION 2 – GENERAL DESCRIPTION ...................................................................................... 4
2.1
Introduction.................................................................................................................. 4
2.2
Description of the Wireless System .......................................................................... 5
2.2.1
RF900 Radio Status (RS) Icons........................................................................... 5
2.2.2
“Radio Awake” Control Timing and Conserving Battery Life ......................... 6
2.2.3
GM ECx BATTERY # 10-0293 .............................................................................. 6
2.2.4
GM ECx 900MHZ RF MODULE # 10-0291........................................................... 7
SECTION 3 – INSTALLATION INSTRUCTIONS ........................................................................... 8
3.1
Ratings and Certifications .......................................................................................... 8
3.2
Sensor Location .......................................................................................................... 8
3.3
Mounting the Enclosure.............................................................................................. 8
3.3.1
10-0322 Magnetic Mount Option ......................................................................... 9
3.4
System Design Specifications ................................................................................. 10
3.5
Antenna Transmission Range.................................................................................. 10
3.5.1
Antenna Selection.............................................................................................. 11
3.6
Sensor Installation (with Smart / Simple Sensor Definition)................................. 11
3.7.1
“Sensor Type” and GM ECX Signal Conditioning .......................................... 13
SECTION 4 – INITIAL START-UP................................................................................................ 13
4.1
“Transmitter Configuration” Menu .......................................................................... 13
4.2
Initial Toxic / Oxygen Monitor Start-Up ................................................................... 13
4.2.1
Initial Toxic / Oxygen Monitor “Span” Check.................................................. 14
SECTION 5 – OPERATING INSTRUCTIONS .............................................................................. 14
5.1
CAL MODE - Routine Sensor Calibrations.............................................................. 14
5.2
ALARM OPERATION ................................................................................................. 16
5.2.1
ALARM 3 – UNDERSTANDING FAULT / LEVEL OPERATION ....................... 16
SECTION 6 – SETUP MENU CONFIGURATION ........................................................................ 17
6.1
Menus Database Configuration ............................................................................... 17
6.2
Configuration Using the Magnetic Wand:............................................................... 17
6.3
System Configuration Menus: ................................................................................. 18
6.4
Alarm Settings: .......................................................................................................... 19
6.5
Sensor Information: .................................................................................................. 20
6.6
Clock / Warm-Up & Cal Purge Delays SETUP: ....................................................... 20
6.7
COMMUNICATIONS SETUP: .................................................................................... 21
6.7.1
GM ECx AND C1 BASE STATIONS: ................................................................. 22
6.8
SYSTEM SECURITY: ................................................................................................. 22
6.9
LCD Contrast Adjustment: ....................................................................................... 23
SECTION 7 – TECHNICIANS ONLY MENUS.............................................................................. 23
7.1
Introduction: .............................................................................................................. 23
7.2
Set Gain to Unity (Technicians only!): .................................................................... 24
7.3
PreAmp Gain Adjust (Technicians only!): .............................................................. 24
7.4
Simple Sensor Input Type (Technicians only!): ..................................................... 24
7.5
Zero Cal Value (Technicians only!): ........................................................................ 25
7.6
Raw Min / Max Counts (Technicians only!): ........................................................... 25