User's Manual

appropriately, so the content will be revised at any time based on the new product
without prior notice.
十六、 Operator precautions
十七、 1. Users must have received complete training in the F21-E2B series
to familiarize themselves with the operation.
十八、 2. The operator must be in good health, be in good spirits, be able
to identify and judge the safety of the operation, and have a qualification
certificate.
十九、 3. The F21-E2B series of rugged transmitters can withstand
considerable impact and weather resistance, but can be damaged by excessively
deliberate collision and crushing.
二十、 4. The operation user should pay attention to the indicator light on
the transmitter. If the red light continues to flash, there may be an abnormality
or a fault condition, or the battery may be exhausted. In this case, the battery
should be replaced immediately. The two batteries must be simultaneously replace.
二十一、 5. Once the equipment is found to be severely disturbed, it must be
stopped immediately.
二十二、 6. If you do not use the remote control for a long time, you must remove
the battery inside the transmitter.
二十三、 7. Please carefully record the following emergency conditions before
use.
二十四、 Installation Precautions
二十五、 1. When installing and receiving, first turn off the power of the
receiver to ensure that the power is cut off to avoid electric shock.
二十六、 2. The location of the receiver should be chosen to avoid contact with
sparks, such as away from motors, relays, cables, to avoid access to high-voltage
wiring or facilities, and to avoid conflicts with protruding parts of the building.
二十七、 3. The receiver must be locked to ensure that the receiver is loose
or dropped.
二十八、 4. You should know the power distribution of the crane and the setting