2  –    2 Repair  Manual  RRE140/160/180/200/250  ©  BT
General introduction
Warning symbols
T-code Valid from serial number Date Publication No.
815, 816 6051502 2008-08-21 261828-040
2.2  Warning symbols
The following warning symbols are used in the service manual:
DANGER!
The word DANGER! means there is a risk of accident potentially lead-
ing to death or serious injury and material loss or damage. Always ac-
companied by the warning symbol.
WARNING!
The word WARNING! means that there are components sensitive for 
electro-static discharges.
Follow applicable ESD-routines to protect the device.
IMPORTANT
The word IMPORTANT means there is a risk of material loss or dam-
age if the instructions are not followed. Also used to draw attention to 
a non-standard torque.
2.3  Pictograms
Where suitable, pictograms are used to describe some actions. Mainly 
this applies to the release and fastening of screws:
The pictogram gives information about type of screw head and turning 
direction indicated with an arrow.
Additional text below the pictogram gives information about 
‘s’: key size, ‘n’: number of screws and, where applicable, recommend
-
ed torque.
One example of another pictogram type is “Cut tie wrap”:
The pictogram might have additional information below, saying how 
many ties to cut.
× n
s mm