4. INSTRUMENT OPERATION
LCD Codes
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| LCD CODE | EXPLANATION |
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| 000 | Ready to sample |
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| .000 | No hydrogen sulfide reading |
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| .8.8.8 | Sensor |
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| .H.H.H | Sensor regeneration in progress (.H.H.H flashes) |
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| .L.L.L |
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| .P.P.P | Power cord required or low line power, <100 VAC (or 200 VAC) |
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| (see pages 16 and 17, Changing the Fuse, if .P.P.P remains on after |
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| the cord is connected.) |
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| .LO BAT | Recharge batteries (refer to page 17) |
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| .E.E.E | Same as LO BAT, automatically shuts off |
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| .HL | Very high concentration has been detected. Refer to your safety |
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| policy for additional direction to confirm the concentrations." |
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| DURING SAMPLING |
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| .- |
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| DURING SAMPLING, USING SURVEY MODE |
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| - | Survey sampling (minus sign flashes continuously) |
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WHEN ZERO IS | Adjust to 0 only after sensor regeneration. It is normal for the |
DEPRESSED | display to read H after sampling has started. |
0 | Zero, ready to sample |
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H | High, turn Zero potentiometer counterclockwise |
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L | Low, turn Zero potentiometer clockwise |
Page 10 of 50 | AZI Customer Service |