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ICx Technologies Field Operating Guide Figure 43. Preparing the calibration for an ICx identiFINDER 2 without internal source 3.2 OBSERVING THE ENVIRONMENT The Dose Rate Mode (Figure 44, p. 39) is the basic operation mode of the ICx identiFINDER 2, please refer to 4.1, p. 54 for a detailed description. Current Dose Rate Alarm Threshold Logarithmic Scale Current Dose Rate Dose Rate Unit Current Neutron Rate Available only for models equipped with a neutron detector. Figure 44. Dose Rate mode 3.2.1 GAMMA RADIATION SURVEY ➔ To survey for gamma radiation. . . 1. Move the instrument around (e.g. Figure 45, p. 40) and observe the display (Figure 44, p. 39). The current dose rate is shown in large digits and as a bar chart. You can change the dose rate unit (see 4.40, p. 137) and the alarm thresholds (see 4.42, p. 139). identiFINDER 2/en/1.0(7801)/Dec2010 ® 39