Door PC Operating System Upgrade Manual
Warnings and Precautions
Issue 1 Rev 3
Page 4
© 2019 Grass Valley
2.1 Explanation of Safety Symbols
2.2 Safety Warnings
Servicing instructions, where given, are for use by qualified personnel only. To reduce the risk
of electric shock, do not perform any actions on this equipment other than contained in the
operating instructions, unless you are qualified to do so. Refer all servicing to qualified
personnel.
Always ensure that the unit is properly earthed and power connections correctly made.
This equipment must be supplied from a power system providing a PROTECTIVE EARTH
connection and having a neutral connection which can be reliably identified.
The power circuit breakers or switches supplying power to the unit should be close to the unit
and easily accessible.
2.3 Lithium Batteries
The Door PC contains a Lithium battery to provide non-volatile memory.
This symbol refers the user to important information contained in the accompanying
literature.
This symbol indicates that hazardous voltages are present inside. No user serviceable
parts inside. This system should only be serviced by trained personnel.
To reduce the risk of electric shock, do not expose this appliance to rain or moisture.
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT REMOVE COVERS
NO USER SERVICABLE PARTS
REFER SERVICING TO QUALIFIED
PERSONNEL ONLY
Note:
•
Used batteries should be disposed of in accordance with the manufacturers
instruction and any specific local legislation regarding the recycling of waste
batteries and accumulators
•
Ensure that the same make and model of battery is used if replacement is required
(a manufacturer recommended equivalent can be used if the original type is not
available)
This equipment contains a lithium battery
There is a danger of explosion if this is replaced incorrectly
Replace only with the same or equivalent type.
Dispose of used batteries according to the manufacturers instructions.
Batteries
should only
be replaced by trained service technicians
CAUTION