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Discussion Starter #1
what does it do? on the gauge picture, there is that knob labeled "rev" with a +/- on it.

does it;
A. act as a custmizable rev limiter?
B. reset the mileage? (probably not)
C. light up when you need to shift? (like a dummy clutch on those jeep wranglers)
D. adjust the turbo or something?
E. adjust the idle rev?

what does the +/- indicate? i don't see another hand on the tachometer so it doesn't seem to indicate with level the +/- is at.

if you don't know, state it. if you are certain what it is/does state it.

"MCpoopy"
 

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from various posts and info it is said to be an adjustment for a rev warning beep/light. Supposedly you can adjust the rpms at which the STi rev warning sounds and lights up between 2000 and 8000 rpm.

Edit-> I'm pretty sure it doesn't affect the ECU rev/engine limiter, only the sight/sound warning.
 

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Discussion Starter #4
but how do you what level you adjusted the rpm light at? there is no indicator on the tachometer where you set when the light should turn on.
 

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no idea, anyone else?
This was actually one point I was wondering about.
 

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From the STI owners manual:
"Setting the alarm-level engine speed"
Step 1 - Turn the REV setting knob clockwise or counterclockwise until the buzzer sounds. The REV alarm system is now ready to be set
Step 2 - Turn the REV setting knob to select the desired alarm-level engine speed:
Counterclockwise (-) turn: Speed setting changes downward in 100 rpm steps
Clockwise (+) turn: Speed setting changes upward in 100 rpm steps

The selected speed will be shown bythe outside temperature indicator. Appriximately three seconds after you stop turning the knob, the REV alarm system will automatically enter its next setting mode (step 3), in which you can enable or disable the buzzer.

The alarm-level engine speed can be set (in 100 rpm steps) within the range from 2000 rpm to 7500 rpm, the indicator shows the selected speed as follows:

Speed - 0: Indicator - 00
Speed - 2000 : Indicator - 20
Speed - 2100 : Indicator - 21
Speed - 7400 : Indicator - 71
Speed - 7500 : Indicator - 75

Step 3: To enable or disable the buzzer as desired using the REV setting knob
Turn the knob clockwise (+) to enable the buzzer. The indicator will show "ON". With the buzzer enabled, engine-speed warnings are given both by the REV indicator and buzzer.
Turn the knob counterclockwise (-) to disable the buzzer. The indicator will show "__". With the buzzer diabled, engine-speed warnings are given only by the REV indicator

Approximately three seconds after you stop turning the knob, the buzzer will sound once to indicate the end of the setting procedure. THe indicator will then revert to showing the outside temperature

DEACTIVATING the REV alarm system:
To deactivate the REV alarm system's indicator and buzzer functions, set the alarm-level engine speed to 0 (zero) rpm

NOTE:
THE REV ALARM SYSTEM DOES NOT OPERATE WHILE SETTINGS ARE BEING ENTERED
THE SPEED-SETTING MODE TERMINATES IF 0 RPM IS SELECTED
THE SPEED-SETTING MODE TERMINATES IF THE IGNITION SWITCH IS TURNED TO "OFF" OR THE VEHICLE STARTS TO MOVING BEFORE THE SETTING PROCEDURE IS FINISHED
SPEED SETTING IS IMPOSSIBLE WHEN THE VEHICLE IS MOVING.

.................

End Quote !!!!!

THought this might clear it up..... Just to clarify when you are setting the rpm it is only the first two digits of the RPM that you want set that will display in the outside temp gauge ie 2500 rpm is dislaplayed as "25" in the temp gauge.

If anybody else would like info from the manual, let me know.

Cheers

Stile
 

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Discussion Starter #10
sorry, but one more question.... does the rpm alarm/light setting reset each time you turn off/on the car? do you have to input each time you want to use it? OR does it reset when you choose the RPM setting, then turn off the car. I just want to be crystal clear on it. cheers

MCpoopy
 

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Once the RPM setting has been entered it remains there until it is changed to a different setting. Turning the vehicle on or off has no effect on the memory.
 
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