Mercury Racing 500R Operation And Maintenance Manual page 136

• Demand ‑ the final demand value requested by the software. If the
engine is propped correctly, with engine speed at wide‑open throttle
falling within the operating range at optimum trim, this value should be
at 100%.
3. Run the engine with the handle at wide‑open throttle (100%
DemandLinear) at optimum trim. Use the following chart to aid in final
propeller selection.
Scenario
# Description
DemandLinear
= 100%
DemandLinear
1 with Guardian
= 100%
Demand =
100%
DemandLinear
= 100%
DemandLinear
2 with Guardian
= 100%
Demand <
100%
DemandLinear
< 100% with
3
throttle lever at
max
MAINTENANCE
At or Just
<5,800 Above
RPM 5,800
RPM
Decrease
Consider
propeller
a slightly
pitch until
lower
engine
pitch
speed
propeller.
falls within
(See
operating
NOTE 1.)
range.
N/A N/A
Adjust throttle cable or reconfigure DTS handle so that
100% DemandLinear can be reached.
126
Engine Speed
At or Just
Within
Below
Operating
6,400
Range
Consider
a slightly
higher
No
change
propeller.
needed.
NOTE 2
and 3.)
N/A
68724
>6,400
RPM
RPM
pitch
N/A
(See
Increase
propeller
pitch until
engine
N/A speed
falls
within
operating
range.
eng