How to use the handheld laser rangefinder?
1. Install/replace the battery.
①Press the removal button, push to the left to remove the back cover.
② Open the cover of the battery slot to install or replace the battery.
③When the battery power is too low, the screen will display this signal. Install batteries correctly according to polarity, use only alkaline batteries.
④Insert the back cover along the groove until it is in place. When the instrument is not used for a long time, please take out the battery to avoid corrosion.
2. Turn on/off the rangefinder.
Press the red READ key for a short time, the light, battery level and buzzer will be displayed on the display until the first work command is issued. The instrument can be turned off at any time on any menu. When no key is touched for 150 seconds, the instrument will automatically turn off.
3. Clear key (red OFF/CLEAR)
The clear key returns the instrument to normal mode, that is, it returns to zero. Clear key can be used before measurement/calculation or after measurement/calculation. Within a function (area or volume), you can use the clear key to go back to the previous command and take a new measurement.
4. Set the measurement reference side.
Press the datum selection key until the desired datum edge appears. The setting of the measurement reference edge will only change when it is reset or turned off. When the fixed baffle under the instrument is opened, the instrument can automatically identify the measurement reference side and set the measurement reference side to obtain the correct measurement value. Manufacturer setting: The measurement reference edge is the trailing edge.
