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<Contents>
1. Outline of the Product ............................. 3
1-1. Preface ............................................. 3
1-2. Purpose of use ................................. 3
1-3. Definition of DANGER, WARNING,
CAUTION, and NOTE ...................... 4
2. Important Notices on Safety .................... 5
2-1. Danger cases ................................... 5
2-2. Warning cases .................................. 5
2-3. Precautions ...................................... 6
3. Product Components .............................. 8
3-1. Checking the package ...................... 8
3-2. Names and functions for each part ... 9
4. How to Use ........................................... 11
4-1. Preparation for start-up .................. 11
4-2. Power-on and power-off ................. 12
4-3. Performing air calibration................ 13
4-4. How to detect .................................. 14
4-5. Seeing information .......................... 15
5. Operations and Functions ..................... 17
5-1. Gas alarm activation ....................... 17
5-2. Fault alarm activation ..................... 19
5-3. Data logger function ....................... 19
6. Maintenance .......................................... 20
6-1. Maintenance intervals and items .... 20
6-2. User mode ...................................... 22
6-3. How to clean ................................... 27
6-4. List of recommended regular
replacement parts ........................... 27
6-5. Filter replacement ........................... 28
7. Storage and Disposal ............................ 29
7-1. Procedures to store the gas monitor
or leave it for a long time ................ 29
