Setup Mode
The Setup mode lets you enter your car’s weight and
make other selections to optimize horsepower mea-
surement, and also customize the operation of other
features.
G-Meter and Timed Run accuracy
For most cars, it is not necessary to
change any Setup items for accurate
G-Meter and Timed Run functions.
Horsepower Accuracy
For accurate horsepower calculations, you will need to
adjust the following Setup items: Car Weight, HP Min
Speed, HP Max Speed, HP Drivetrain loss, Rolling Re-
sistance, and Aerodynamic Drag CDA.
See more information in the “Measuring Horsepower”
section.
HOW TO ENTER THE SETUP MODE
1
Hold the G-METER button.
2
After 5 seconds, you will see
these two alternating instructions:
This screen explains that you should press the START
button if you want to go to the next item in the Setup
Mode.
This screen explains that you should press the
G-METER button if you want to to exit the Setup Mode.
Setup Mode
STARTforNextItem
Setup Mode
GMETER ExitSetup
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OVERVIEW OF SETUP MODE ITEMS
1
Car Weight
You must enter your car’s weight for accurate horse-
power calculations. Default is 2000 pounds.
2
Pitch characteristics of car
The way your car tilts back during acceleration.
Default is 2.0 degrees per G, typical for sporty cars.
3
Roll characteristics of car
The specific way your car leans during cornering.
Default is 3.0 degrees per G, typical for most cars.
4
Clear Saved Runs
The internal memory saves full details on the 10 most
recent timed runs. This lets you erase those runs.
5
Clear Best Runs
The unit remembers the “Top 10” 0 to 60 and Quarter
Mile times from all the runs you have ever timed. This
lets you erase those figures.
6,7 HP Min Speed and HP Max Speed
The Performance Computer calculates your car’s horse-
power between 2 speeds. Defaults are 30 and 60mph.
8
HP Drivetrain Loss
Default is .15 (15 percent)
9
Rolling Resistance
Default is .013
10 Aerodynamic Drag CDA
Default is 7.00
11 Meter Maximum
This sets full scale for the Bar Graphs used in the
G-Meter displays. Default is .80G.
12 Peak Hold
This sets the time that peak values are held on the
“Peak Hold” G-Meter display. Default is 4 Seconds.
13 Sound
This turns the beep tones on and off. Default is On.
14 Show Run Data
This lets you choose what information to display after
a timed run. Default is to display All Run information.
15 End Timed Run
You can choose to end timed runs automatically, or time
each run for 30 seconds. Default is Automatic.
16 Brake Test
You can choose to include “60mph to zero” brake test-
ing in timed runs. Default is Brake Test Off.
17,18 Speed Rollout, 1/4 Mile Rollout
You can select the criteria to start timed runs, both for
speed measurements (0 to 60, etc.) and for distance
measurements (1/4 mile, etc.), to match timing meth-
ods used by drag strips and professional testers. Each
setting is adjustable from zero to 25 inches.
19 Trigger
G-Force criteria to start timed runs. Default is .10 G.
20 Clear User Calibration
This can be used to confirm the accuracy of your Per-
formance Computer.
21 DataLogger
You can enable a special mode that allows saving a
single 5 minute log of acceleration in memory.
22 Factory Default
Lets you restore all settings to factory default.
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