User manual HILTI PR20

[. . . ] _ Automatic cut-out: The laser remains switched off and all LEDs blink if the tool is outside its self-leveling range or if movement of the mechanism is physically impeded. Laser class 2 (Do not stare into the beam. ) Read the operating instructions before use. In these operating instructions, the PR 20 rotating laser is referred to as "the tool". 2 2. Tools and accessories _ The tool can be set up on a tripod with a 5/8" thread or stood directly on some other steady surface. _ The tool is easy to operate, robustly built and comparatively light in weight. [. . . ] The shock warning LED lights red after deactivation of the shock warning. The X LED does not light and The Y LED lights red Manual operation: Y-direction can be aligned manually by way of the servo keys. The X LED lights red and The Y LED does not light Manual operation: X direction can be aligned manually by way of the servo keys. The X LED lights red and The Y LED lights red Manual operation: X and Y directions can be aligned manually by way of the servo keys. 6. 3 Inserting new batteries 1. Open the battery compartment by turning the locking button. 3. Close the battery compartment by turning the locking button. 7 -NOTEThe tool may be powered only by the PRA 801 battery pack or by batteries manufactured according to the IEC standard. PR 801 battery pack ­ The performance of the battery pack drops at low temperatures. ­ Never store the battery pack where it is exposed to direct sunlight, on a radiator or heater, or behind glass (windows, motor vehicle windscreens, etc). Do not mix batteries of different types or batteries from various manufacturers. -NOTEAfter switching on, the tool begins to level itself automatically. This must then be confirmed by pressing the inclination / direction key, otherwise the tool returns to the standard operating mode. . 8 7. Hilti calibration service 7. 4 Deactivating the inclined plane function The inclined plane function can be deactivated by pressing a special key combination. Procede by pressing the following key combination: ­ Press and hold down the Y- and the shock warning keys simultaneously and then press the on /off button. Subsequently press the Y+ button within 10 seconds (release the other keys before pressing the Y+ key). If deviations from the manufacturer's specification are found, the tool is then re-adjusted. After checking and adjustment, a calibration sticker applied to the tool and a calibration certificate provide written verification that the tool operates in accordance with the manufacturer's specification. Calibration certificates are always required by companies certified according to ISO 900x. Your local Hilti center or representative will be pleased to provide further information. 8. 1 Checking horizontal rotation Horizontal alignment of the tool in the X- or Y-directions can be checked as follows: 8. 1. 1 Checking 1. Set up the tool in the horizontal plane at a distance of about 20m from a wall (can also be carried out with the tool set up on a tripod). Pivot the tool through 180° about its own axis (check the same laser axis). If the check has been carried out carefully, the distance between the marks A and B should be less than 4 mm (at 20 m from the wall). [. . . ] This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment on and off, the user is encouraged to try to correct the interference by one or more of the following measures: ­ Re-orient or re-locate the receiving antenna. ­ Consult the dealer or an experienced TV / radio technician for assistance. [. . . ]