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z� intake on the left side of the case by pulling back the <br /> spring collar of the connector and pressing the connector <br /> over the intake. <br /> 2. Place the instrument in the position in which the meter <br /> indication will be read. <br /> NOTE: Heat distribution from active and reference filla- <br /> ' ments of the detector sensor changes from vertical to <br /> horizontal position. The resulting change in electrical <br /> balance between elements causes a shift in pointer zero <br /> from one position to the other. <br /> 3. Set MODE SELECTOR switch to PPM x 100 and operate the <br /> '. instrument for 10 minutes to allow the circuits to stabil- <br /> ize. <br /> 4. In fresh air , set the ZERO ADJUST knob at the midpoint <br /> (five full turns from either extreme position) . <br /> ` S. Turn the coarse adjustment screw to move the meter pointer <br /> to zero on the meter scale. <br /> 6. Turn 'the MODE SELECTOR switch to the PPM x 10 position and <br /> turn the ZERO ADJUST knob to set the pointer to zero. <br /> 7. Turn the MODE SELECTOR switch to the PPM x 1 position and <br /> turn the ZERO ADJUST knob to set the pointer to zero. <br /> 9.3.3 Operation <br /> 1 . Turn the MODE SELECTOR control knob to BATT TEST position <br /> and read the condition of the battery on the meter dial . <br /> Recharge batteries if necessary. NOTE: Do not recharge <br /> unless the battery is almost completely discharged. <br /> 2. Turn the MODE SELECTOR control to the desired operating <br /> range. <br /> 3. Allow a ten minute warmup period with the instrument in <br /> }� same position (orientation) as it is to be used in service. <br /> r 4. Read and record the results. <br /> a <br /> a� <br /> 10.0 DECONTAMINATION PROCEDURES <br /> 10,1. MINIMUM DECONTAMINATION <br /> .� , <br /> 10. 1. 1 Personnel <br /> A personnel decontamination station will be set up outside of the <br /> restricted zone. All personnel leaving this area will : <br /> 3� - le <br />