Altronics Air Quality Computer Manual de usuario

Air Quality Computer

U.S. PATENT #5,509,295

Invented and Manufactured

High Performance Electronic Components

1411 S. Roselle Rd

Schaumburg, IL 60193

847-923-0002 Fax 847-923-0004

www.AltronicsInc.com

Table of Contents

FEATURES 2

GETTING STARTED 3

TAKING AIR SAMPLES 4

THE KEYPAD 5

THE MENU SYSTEM 5

SAMPLE AIR READINGS 6

SETUP 7

MAKING RUN ENTRIES 11

SEA LEVEL ET 11

THROTTLE STOP FACTOR 11

WEATHER ON HOLD 11

VIEWING/DELETING RUNS 11

RUN COMPLETION 13

MAKING PREDICTIONS 13

DOWNLOADING TO A PC 14

SETCLOCK 16

BAD RUNS 16

AUTO POWER OFF 16

BATTERIES 17

OPERATING/STORAGE LIMITS 17

WARRANTY 18

TECHNICAL SUPPORT 18

ABBREVIATIONS 19

GUIDELINES FOR ACCURATE PREDICTIONS 20

APPENDIX 21

PerformBJSF FEATURES

•Temperature Readout

•Relative Humidity Readout

•Absolute Barometric Pressure Readout

•Dew Point

•Vapor Pressure

•Air Density Ratio

•Horsepower Correction Factor

•Oxygen Sensor Readout (optional)

•Density Altitude Readout

•Oxygen Altitude Readout

•Remote Paging Capability (optional)

•400 run data base

•Up to 10 separate data bases

•Sea level ET calculation

•Throttle stop ratio calculation

•ET to DA Ratio

•ET prediction

•Throttle stop prediction

•One run prediction

•Wind effect prediction

•Run completion

•Bad Run Detection

•Data and time stamp in data base

•Weather on Hold

•Manual weather input

•Automatic Last weather sample Hold

•View and delete runs

•9V battery power

•Downloading Data Analysis software

(optional)

•Battery low indication and power level

•Automatic power off

GETTING STARTED

Press “MENU” key to turn unit on. Unit will automatically turn off after

2 minutes if no keys have been pressed.

GREETING MESSAGE

The PerformAIRE

By ALTRONICS

O2 EQUIPPED

VERSION 6.*

"O2 EQUIPPED" will only appear if the unit was purchased with an

oxygen sensor. DATA BASE #1

ET MODE Selected

Multiple Run Prediction

Wind Prediction Enabled

Second greeting message above will show the following info about the

“Setup” of the unit: Data base, prediction mode, prediction type, and

wind effect. TAKING AIR SAMPLES

1. Place PerformBJSF in an area that will constantly expose it to the

air you will be racing in (out side of trailer).

2. Do not place your hand or any other object near the air vent or black

probe while PerformBJSF is in use.

3. Keep PerformBJSF out of direct sunlight.

4. Do not place PerformBJSF near soil or grass as it may pick up

additional humidity.

5. Even though the PerformBJSF's sensors can stabilize very quickly,

residual heat left in the enclosure when the PerformBJSF is moved

from one environment to another may take more time to dissipate.

Example: When you arrive at the track and take the PerformBJSF out

of your 70-degree transporting vehicle and put it in the 90 degree outside

air, you must let it sit for fifteen minutes before taking a reading. During

this time the PerformBJSF enclosure and black probe will stabilize

with the environment and allow it to take extremely accurate readings for

the rest of the day. Allow time appropriately for differences in

temperature. If the PerformBJSF is OXYGEN SENSOR equipped,

allow twice as much time to stabilize.

UNIT DOES NOT NEED TO HAVE POWER ON IN ORDER TO

STABILIZE!!!!!!!

6. Although the PerformBJSF is reasonably durable, it can be

damaged if dropped or abused. Keep this in consideration when using

and storing the PerformBJSF.

7. For best results only turn PerformBJSF on when taking a reading.

**IMPORTANT**

Units with oxygen sensors only:

When using a unit with an oxygen sensor that is set to Oxygen Altitude

mode, the unit must remain stabile while in use. If movement has

agitated the unit it must remain stable for 15 minutes before taking air

samples. Unit does not need to have power on to stabilize!!!!

******Important******

It often takes a number of trips to the track to acquire the above-

recommended data in order to produce accurate results. Because of this,

we suggest using the following method until enough data has been

acquired.

Gasoline burning engines:

A 200’ rise in DA typically yields a 0.01sec slow down in ET and vice-

versa for a drop in DA.

Alcohol burning engines:

A 400’ rise in DA typically yields a 0.01sec slow down in ET and vice-

versa for a drop in DA.

For TS racers:

Typically the TS ratio is 3:1. This means is takes 0.03sec in the timer to

move the car 0.01sec. Use this information with the above DA change to

set up your timer.

KEYPAD FUNCTIONS

MENU/ON key - Turns unit ON and allows the unit to leave any current

menu and return to the MAIN menu.

SCROLL key - used to view runs that have been stored in the data base.

CLEAR/OFF key – Turns unit OFF when pressed from MAIN menu and

allows runs to be deleted from the data base and allows the user to

reenter a value if the wrong key was pressed.

ENTER/HOLD key - must be pressed after keying in a value to confirm

the value is correct. When pressed in CURRENT DATA mode the air

sample is held in memory and can be used for data entry later on.

MENUS

MAIN MENU - When unit is turned on the MAIN menu automatically is

displayed after the greeting message. The user can make of the six

following choices at this point:

SAMPLE AIR = 1

SET UP = 2

RUN ENTRY = 3

PREDICT = 4

Hit the “MENU” key again and see:

DOWNLOAD =5

SET CLOCK =6

BAD RUNS =7

AUTO POWER OFF =8

Hit the “MENU” key again and see:

PAGER SETUP =9 *

BATTERY CHECK =0

* Paging Option in no longer available with portable PerformBJSF systems.

Refer to Appendix for MENU chart

SAMPLE AIR

By pressing "1" from the MAIN menu the unit displays all the sampled

air parameters and the PREDICTION in the following format:

DATE TIME

TEMP HUMIDITY

PRESSURE OXYGEN (if equipped) / DEW POINT VAPOR PRESSURE

ALTITUDE/CF PREDICTION (ET or TS)

Pressing the “ENTER” key while viewing current data will HOLD the

data to be used for entering runs. The third and fourth line on the display

will alternate from showing pressure and oxygen to dew point and vapor

pressure and Altitude to Correction Factor (CF).

NOTE: Barometric Pressure

The Pressure reading is “Absolute”, which means it will NOT agree with

the weather channel or local forecast. This is due to the fact that the

local forecast is gives a corrected pressure reading that is compensated

back down to sea level. If you were to stand at your local airport and dig

a hole down to sea level the PerformBJSF pressure reading would then

agree with the local airport reading!

The PREDICTION Multiple Run Mode will be shown only after two

runs in ET mode and three runs in TS mode have been stored in the

selected data base. If less runs have been stored "***" will appear in the

place of the PREDICTION value.

SET UP

By pressing "2" from the MAIN menu the unit enters SET UP. Set up

allows for configuring any one of the 10 data bases. Each data Base hold

40 runs.

The first menu appears...

Select Data Base

Yes = 1 No = 2

After selecting a data base you will be asked if you want to clear all the

runs out of it: CLEAR RUNS?

Yes = CLEAR No = ANY KEY

You will now be asked if you want to rename it. Note: You can use the

default name if you wish “Data Base #1”.

To enter a new name use the “SCROLL” key to scroll the letter up or the

CLEAR key to scroll down . When the letter is correct select Yes by

pressing “1” and you will go on to the next letter. When all the letters

have been selected press the “ENTER” key to save the name.

Continue?

Yes = 1 No = 2

After selecting a data base you can exit out of SETUP if you have

already previously configured it and do not wish to make any changes.

After selecting a data base the following is displayed:

ET MODE = 1

TS MODE = 2

Press 1 OR 2

By pressing "1" sets the unit to the ET MODE. This means all runs

added to the data base will be stored in the ET section and the

PREDICTION will be an ET computed from the stored runs and the

present ALTITUDE (DA or OA).

By pressing "2" sets the unit to the TS MODE (Throttle Stop Mode).

This means all runs added to the data base will be stored in the TS

section and the PREDICTION will be a TS or timer setting computed

from the stored runs and the present ALTITUDE.

After pressing "2" another menu is displayed as follows:

TS MODE SELECTED

index = 9.90

CHANGE?

YES = 1 NO = 2

If the user presses "1" the following will be displayed:

ENTER INDEX

Now the user can enter an index, such as 8.90, then he must press the

ENTER key.

Select Method

For Prediction

Multiple Runs =1

One Run =2

Multiple Runs:

When the multiple run prediction method is selected, predictions are then

calculated from the runs stored in the data base.

Predict with

DA=1 OA=2

CF=3 VP=4

Now you must choose which weather variable to reference your

prediction against. The standard is to use DA or OA (if the unit is

oxygen sensor equipped), but you can select CF or VP if you wish.

One Run:

When One Run prediction method is selected you must set your base run

and performance ratios. Set Base Run=1

Set Pred Value=2

View Values=3

Done =ENTER

Set Base Run:

Your base run data should be taken from a “good run” or your last “good

run”. You can update this data as you wish.

Enter Base Run

DA=

ET=

Timer= (if in TS mode)

Temperature= (if fuel type=Alcohol)

Humidity= (if fuel type=Alcohol)

Set Pred Values:

Set Pred Values allows you to select your gas type and your DA to ET

and TS to ET ratios. Select

Gas=1 Alcohol=2

Now you will be prompted to choose between preset ratios or allowed to

enter custom ratios. Preset Ratios=1

Custom Ratios=2

Custom Ratios: Enter DA Ratio

Enter how many foot of Altitude it takes to move you vehicle 0.01sec in

ET. (Ex: 150 means it takes 150’DA to make ET change 0.01sec)

Enter TS Ratio

Enter ratio that it takes to move ET of vehicle 0.01 sec. (EX: 2 means it

is a 2:1 ratio or takes two 0.02 to move car 0.01 in ET)

View Values:

Allows you to view your base values and ratios.

Predict with

DA=1 OA=2

CF=3 VP=4

Now you must choose which weather variable to reference your

prediction against.

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