Please read this material before using the product to avoid serious injury. This document must be kept in a safe place and passed on together with the device. I. FUNCTION: 1. Microprocessor (mcu) chip, photoelectric technology, 5. When the battery voltage is too low, the meter displays the anti interference technology and semiconductor laser.
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III. PANEL DESCRIPTION (FIG.1) IV. OPERATION INSTRUCTIONS 1. Photoelectric window used in non-contact speed mode. • Power on/off: Press and hold the [Power Key] for 2 sec., the meter is turned on, and the screen display value is 0. 2. LCD screen. Default mode of the meter is [Non-Contact Speed], in this mode, press [Measurement Key] to emit red light 3.
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V. DATA STORE AND VIEW 1. After the measurement is completed, release the [Mea- c. Short press [Power Key] once again: surement Key], and the meter retains the display of the last Display the last value Last, as shown in Fig. 4. value.
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VI. AUTOMATIC SHUTDOWN AND BATTERY REPLACEMENT 1. If the meter is not in use, it will automatically switch off after five minutes! 4. Replace with 3 × 1.5V AA batteries according to the polarity marks on the case. 2. When the battery power is too low, the battery symbol ] will appear on the left side of the display, 5.
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