To identify the control which activates the fan and circulates air at a speed selected by the user. To indicate the operational status of the fan function
IEC 60878 1641
Operator's manual; operating instructions
To identify the location where the operator's manual is stored or to identify information that relates to the operating instructions. To indicate that the operating instructions should be considered when operating the device or control close to where the symbol is placed. In the case of application as a safety sign the rules according to ISO 3864-1 shall be adhered to
Note 1 – On medical electrical equipment: "Consult instructions for use". See also safety sign ISO 7010-M002"Refer to instruction manual/booklet".
Note 2 – This symbol should be used in the orientation shown.
To identify the control for removing the visual representation displayed on the screen
To identify the control to request information about objects or functions
RTCA/DO-160G section 21, category M
For airline use
Electronic instructions for use
To indicate on product or product packaging that relevant information for use of the product is available in electronic form rather than, or in addition to, printed paper form.
Unique device identifier
Indicates the Unique Device Identifier information