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Bosch Motorsport
Drag measurement
channels into group
5.
To edit channel's settings, mark the channel(s) and click 'Edit Channel'. An 'Edit Re-
cording Channels' window opens.
List of channels
selected
6.
Click 'OK' when done.
NOTICE
If no condition is defined or condition is 'false', measurement chan-
nels are recorded at the value chosen in 'Rate'.
If the condition is 'true', measurement channels are recorded at the value chosen in 'True
rate'.
Using fast block/slow block transmission
DDU 9 telemetry uses available bandwidth of Telemetry Unit FM 40 (19,200 baud -> ap-
prox. 1,700 bytes/s). The bandwidth has to be divided into channel information to be
transmitted high-frequently and low-frequently using the 'fast/ slow block' setting.
Channels are grouped into 8 blocks which are transferred each cycle:
– Fast block (Block 1) is transferred every cycle and used for a high-frequent transmis-
sion of channel information (e.g. speed, rpm).
– Slow blocks (Block 2...n) are transferred every n-th cycle and used for a low-frequent
transmission of channel information (e.g. tire pressure, oil temperature).
DDU 9
Recording | 14
Recording properties
Recording rate
1 ms ... 1 s
Condition to switch
between fast/slow rate
Recording rate if
condition is 'true'
Settings for long
range telemetry
'None/Fast/Slow'
(only if telemetry
unit is available)
111 / 148
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