Brauniger IQ Series Manuel utilisateur

Operating instructions

Text: Bräuniger GmbH

Grafik and Design:

Tony W. Richter,

ars [atelier für werbedesign]

+49 8685 98 49 56

Two wings what next? ......................................................................Pg. 2

Starting up routine ............................................................................Pg. 2

Altimeter............................................................................................Pg. 2

Analogue Vario ..................................................................................Pg. 3

Time constants of analogue vario ........................................................Pg. 3

Digital Vario ......................................................................................Pg. 3

Time constants of average vario ..........................................................Pg .3

Speed ................................................................................................Pg. 4

TEC Total energy compensation........................................................Pg. 4

Acoustics and volume........................................................................Pg. 5

Stall-alarm............................................................................................Pg. 5

Date and time ....................................................................................Pg. 5

Memory..............................................................................................Pg. 5-6

Printer selection ................................................................................Pg. 6

Barograph ..........................................................................................Pg. 6-7

Inserting a marker ................................................................................Pg. 7

Deleting recorded flights......................................................................Pg. 7

Printout ................................................................................................Pg. 7

Pilot`s Name ......................................................................................Pg. 7

Useful information about the batteries..............................................Pg. 8

Further functions of the IQ Series

Net vario ............................................................................................Pg. 8

Entering polars ..................................................................................Pg. 9

Recording polars................................................................................Pg .9

Nominal Speed Computer..................................................................Pg .10

Flight-optimized Nominal Speed according to Mc Cready ..............Pg .10-11

Data transfer to the PC ......................................................................Pg .12

Lift/drag ratio ....................................................................................Pg .12

Link to a GPS Navigation receiver....................................................Pg .13

Wind speed and direction ....................................................................Pg. 13

Final approach calculator ..................................................................Pg .13-15

GPS access without speedsensor..........................................................Pg. 15

Miscellaneous ....................................................................................Pg. 15

Printing out the device settings..........................................................Pg .15-16

Fastening............................................................................................Pg. 16

Water landing ....................................................................................Pg .16

Guarantee ..........................................................................................Pg .16

Procedure for Official FAI Observers................................................Pg .17

SET mode (change settings)..............................................................Pg. 18-19

NEW function ..................................................................................Pg.20

IQ Series Picture................................................................................Pg. 21

Operating Instructions IQ-Competition-GPS

Version 2.8

01. September 1998 For Hang glider

For Paraglider

Info

Attention

Table of contents

Often Pilots own more than one glider and some are paraglider as well as

hangglider pilots. For not changing ervery time all your instrument set-

tings like Polar- Stall alarme - Speed adaption - Time constants - and

more it is possible to store all values for two different sets of equipment.

Changing from Set 1 to Set 2 is made in Set Mode No. 25.

After the display-test with all segments activated for 2 sec the instru-

ment will show:

ðSerial number

ÀSet 1 or Set 2 activated

ÃDate (year - day - month)

{according FAI regulations}

ÕNumber of free memory blocks of the flight diary (max. 50)

Remaining memory for the barogrph; in hrs:min

(IQ-Compet.only)

Time interval of memory

(1-5-15-25 sec)=Baro scanrate

The unit is equipped with two altimeters and . The

key allows you to switch between them.

>> Elevation above sea level

>> Reference height - can be reset to 0 by extended pressing of

the key. When switching to the flight time (flight duration)

appears for 5 seconds, followed again by the time.

The keys are used to change the elevation or After

repeated pressing of ( SF=Special function) appears:

air pressure

temperature

This display complies with the QNH value. If the elevation

is correctly set, then the air pressure at sea level and the tem-

perature are displayed. After 5 sec. the special functons display auto

Two wings, what next?

Starting up routine

Altitude

matically returns to and the time. The temperature can be dis-

played either in °F or °C. (Set Mode No.15)

Altitude in meters and feet

Normally and have the same dimensions (meters or feet).

In Set Mode No.24 you can choose in meters over sealevel and

in ft over sealevel, which is very useful for UL-pilots or balloo-

ners.

The analogue vario displays in steps of 0.2 m/s [40ft/min] . A maximum

of ±10 m/s [2000ft/min] can be displayed

The response inertia of the Variometer is determined by its time constant.

A short time constant results in a quick response, but can cause the dis-

play to be jumpy and erratic. A constant that is too long displays climbing

or sinking changes too slowly. For the Analogue vario and acoustic, a

value of 1 sec. has proven to be effective as a trusted ‘Golden Average’

(= default value). However, especially in turbulent air it can be an advan-

tage to have a longer time constant and slower vario reactions. In Set

Mode No.20 one can choose a constant from 1 to 3 sec. for analogue

vario and acoustic.

The Digital vario displays a resolution of 10 cm/s [20ft/min], and the time

constant can be adjusted by the User as a mean value variable. As a netto

vario, it can also display the status of the ambient air, or alternatively it

can be used during gliding as netto vario while climbing as an intega-

tor(=averaging vario).

The choice can be made in Set Mode No. 9.

The averaging vario is a digital vario with a much longer time con-

stant (1...30 sec.). It is very useful to find out the average value of a ther-

mal climbing. Its constant can be changed in Set Mode No.8.

This vario is also named integrating vario.

Analogue vario

Digital Vario

climbing 2 m/s climbing 6 m/s

ååtime constants of average vario

ååtime constant of analogue vario

The display will indicate the speed of the flywheel sensor, which is avai-

lable as an option, and which is inserted into the socket on the right side.

A possible speed deviation caused by different positioning can be

compensated for using Set Mode No. 19.

Changing in speed is usually caused by the pilot’s steering movements.

Braking from full speeds causes a climb, which is not due to air rising. It

must therefore also not be displayed by the Variometer.

The TEC circuit will therefore pull the Variometer needle down when

reducing the speed, in an attempt to compensate for the extra elevation

gained as a result of the speed. Since the electronics are not able to dif-

ferentiate between the desired speed changes and air turbulence, a 100%

efficient Vario-display will become erratic. In accordance with the wishes

of the pilots, the TEC efficiency can be set between 0....100%.

According to our experience, 65% is a good average

The setting is made in Set Mode No. 5.

Speed

TEC Total energy compensation

Hang glider-sensor

Paraglider-sensor

Repeated pressing of the key makes it possible to select between

“Off - Quiet - Loud”. The sound that can be heard during this shows the

selected level. If only a short confirming bleep is heard, then the acoustic

has been switched off.

Descending sound

A short pressing of the key switches the sink acoustic on or off.

The moment the sink sound is activated you can see also it’s cut in point

at the variometer scale, changing this point is done in Set Mode No 3.

If the flywheel sensor indicates a speed below the value selected by the

user which is higher than 15 km/h [10 mph], then a loud quickly repea-

ting sound will be heard.

The factory pre-setting is for 30 km/h [17 mph].

Changing the setting is carried out in Set Mode No. 4.

If a value of 15 km/h [10 mph] is entered, the Stall Alarm is disab-

led.

The stall alarm is a great help for determining the opportune moment

for pushing out the controlbar during critical landings.

The time appears in the display area after the starting up routine.

Setting the correct time and date is done in Set Mode, using No. 10

for the time, No. 11 for the date and No. 12 for the year.

CAUTION: In the IQ Competition, the time and date cannot

be changed once a barogram has been saved (FAI regulation).

Deleting the barogram: Refer to barograph page 6.

The flight data for 50 flights are filed in the memory of the IQ unit. A

flight is only acknowleged as one if it has lasted longer than 3 minutes

and shows a height difference of more than 25m [100ft]. Memo Mode is

accessed by pressing the key. The keys can be used to flip

through the saved flight pages. The following is displayed: max. climb,

max. speed, max. height and the of the flight.

The flight number appears at the bottom right-hand side of the display.

The target appears if the barograph was activated during the flight

(competition only).

åå

Stall-alarm

Date and time

Memory

Acoustics and volume

In addition, it is possible to read out the max. height , max. descent

and the duration of the flight by pressing the

key.

Printing the flight list (Flight diary)

The saved flights for the IQ series (max. 50) can be output via a printer

as a flight list. The following is printed out:

-Flight number - Date - max. height - max. height 2 - max. climb - flight

duration - Barogr. scan rate.

Connect the device to the printer (connection cable is part of the standard

equipment supplied with the IQ Competition). Turn on the unit and

switch into Memo Mode using the key. The flight number 0 appears

at the bottom right-hand side.

Now hold down the key for approx. 3 sec.

>The flight list will be printed out.

It was already possible to use most available office printers with earlier

Vario models. In the IQ Series, the printer output can be set to be com-

patible with EPSON/IBM and HP printers.

The settings are made in Set Mode No. 14.

A barograph is additionally integrated in the IQ Competition series. If a

flight is to be recorded, then the flight recording process is started and

stopped by the extended pressing of . The flight time is set to 0, a

confirmation sound is audible and the symbol starts blinking.

In the IQ Competition series, the

height is saved in the memory with a resolution of 1m [3 ft] , as well as

the speed with 1 km/h [1mph].

80 hours of flight time can be recorded (max. 50 flights) using a recor-

ding interval of 15 sec.

The scan rate can be altered by the pilot in Set Mode 2.

(Factory presetting = 15 sec.)

A recording interval of 1 sec. or 5 sec. is recommended for measuring

flights when determining polar values.

Due to FAI regulations the recording interval for an acknowledged baro-

gram must be 20 sec or less. Do not use the scanrate of 25 sec if you need

FAI approval for your flight. A FAI accepted barogram must be printed

out directly to a printer (not via computer) and an official observer must

be present. (see page 20) Even if the IQ-instruments are able to measure

and memorize altitudes up to 8.000 m (26.000 ft), the official printout is

limited to 6.000 m (21.000 ft).

Barograph

Printer selection

Caution: If the Barograph is activated, then the height cannot be

altered.

Pressing the key switches the McCready function on. (Please refer

to page 10)

Inserting a MARKER in the Barogram

Pressing the key once is confirmed by the unit with an audible

double confirmation tone. Now a MARKER has been inserted.

In later output of the Barogram, this marker sets a reference point to a

photograph which has been taken or to a predominant landmark.

The arrows means: red arr. ( ):max. sink

green arr. ( ):max. climb

yellow arr. ( ):max. speed

Deleting the recorded flights

To clear the memory, change over into Memo Mode with

Call up flight number 0, and hold down both the and the keys

for 5 seconds. All saved flights are then deleted. A confirmation tone is

audible.

If the message “Memo Overflow” appears while printing the flight list,

then the IQ Competition memory is full.. If you still continue to record,

then the data for the oldest flight will be overwritten.

It is highly recommended, that the memory be cleared from time

to time.

Barogram Printout

The outputting of a Barogram can take place via the serial interface

(RS232), as well as via the parallel interface (Centronics). Switch the unit

into Memo Mode;

Select the desired flight from the flight list . Barograms are those flights

for which a number appears in the Baro-Scan column. The indicated

number represents the scan rate in seconds.

Extended pressing on key will start the transmission of the data

to the printer.

The manufacturer and some dealers are able to enter the pilot’s name into

the unit’s memory with the keypad.

When outputting a Barogram with a printer or on a screen, the pilot’s

name will already be contained in the print-out.

One can write up to 25 letters into the unit. This is made in Set Mode

No.18. With the buttons the name is entered letter by letter

in ASCII code.

A marker is displayed with

an small circle in the curve.

Pilot’s name

The new IQ Series offers a much more efficient utilisation of the battery

capacity. We recommend that two 1.5V alkaline cells, sizeAA (Mignon)

be used for the main battery. All IQ Series units are additionally equip-

ped with a second battery set; comprising of 2 alkaline cells, size AAA

(Micro).

When the voltage in the main battery drops, it is possible to switch over

to the second batteries without any interruption.

The battery capacity for the active battery is constantly monitored in the

lower graphic display (bar graph).

Operating times of approx. 100 hours are achieved if quality alkaline

cells are used.

Caution: The memory and clock just work with the second bat

tery set. In case of changing the second set you have to run the

vario with the main battery then changing the second set. Now

your saved flights will still be in the memory.

In contrast to normal varios in which the up/down movement of the pilot

is displayed, the Net-Vario displays the rise or fall of the ambient air.

This only works, if a polar has been saved and if the speed sensor is in

use during the flight.

As the display should always show “0” during quiet air conditions, and

regardless of how fast the pilot may be flying, this function can be used

efficiently to check the entered polar. The Net-Vario is really effective for

the purpose of utilising a upwards thermal current if a decision must be

made to continue or cancel a high-speed flight.

The Net-Vario is a digital vario that is activated in Set Mode

No. 9. It offers the following choices:

Useful informations about batteries

Net - vario (digital vario)

Further functions of IQSeries

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