Man D 2848 LE 401 Operating Instructions Manual page 35

2. "Increase engine speed" function:
The "Increase engine speed" function is set (function switch II−8). The engine speed
of the power unit is raised prior to engaging the clutch and after disengaging the clutch
it is lowered again to idling speed. Between the clutch engaging operations, individual
delays (waiting periods BEFORE and AFTER clutch engaging) can be set.
"Maximum engine speed" position Â
Position  shows the "maximum engine speed" for the "Forwards and Backwards
Range".
Between positions Á and Â, the engine speed can be set variably.
The gearbox clutch is engaged to "Forwards" or "Reverse".
Operating panel – command master for twin-engine systems
Key "Command takeover" T1
The "Command takeover" key occurs only once on the command master. The
key is permanently illuminated weakly via LED L1 and indicates that the control
system is being supplied with voltage. The key serves to take over commands
COMMAND
onto the relevant control stand.
The key has two other additional functions.
Additional function "Warming Up"
The expression "Warming Up" means "engine running without shifting gear", which en-
ables, for example, warm-up of a cold power unit across the entire speed range. The
gearbox clutch is not engaged in lever position Á.
Starting the "Warming Up" function:
. The "Warming Up" function can only be started at an active command master and only
from the position "À neutral".
1. Set the control lever of the command master in position "À neutral".
Commissioning and operation
37
L1 L2 L3
COMMAND
SYNCHRO
TROLLING
COMMAND
T1 L7 L8
L4
L6
L5
SYN./TROL.
T2