Hyundai HY2155 User Manual page 10

6.7.1. Pull the switch trigger to light up the lamp.
6.7.2. The lamp will stay ON whilst the switch trigger is being pulled.
The lamp goes out 10 -15 seconds after releasing the trigger.
6.7.3. NOTE: Use a dry cloth to wipe the dirt off the lens of lamp.
6.7.4. Be careful not to scratch the lens of lamp, or it may lower the
illumination.
6.8. Reversing switch.
6.8.1. This tool has a reversing switch to change the direction of
rotation. Depress the reversing switch lever from the side for
clockwise rotation or from the B side for counter clockwise
rotation.
6.8.2. When the reversing switch lever is in the neutral position, the
switch trigger cannot be pulled.
6.9. Speed change.
6.9.1. To change the speed, first switch off the tool and then slide the speed change lever to the
"2" side for high speed or, "1" side for low speed. Be sure that the speed change lever is set to
the correct position before operation. Use the right speed for your job.
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Always check the direction of rotation before operation.
Use the reversing switch only after the tool comes to a complete stop. Changing
the direction of rotation before the tool stops may damage the tool.
When not operating the tool, always set the reversing switch lever to the neutral
position.
Do not use the speed change lever while the tool is running. The tool may be
damaged.
Always set the speed change lever fully to the correct position. If you operate the
tool with the speed change lever positioned halfway between the "1" side and, "2"
side, the tool may be damaged.