DigiTech Mistral3 User Manual

Quadruple Countdown Timer plus Clock & Beep

by DIGITECH

1v01

english

DIGITECH S.r.l.
Via Muggia, 6
34018 - S.Dorligo della Valle (TS) - ITALY
Tel.: [phone]
Fax: [phone]
E-mail: [e-mail]

@ aprile 2007

english

2

INDEX

1 General information 1

Display..............................................1

Input ...............................................1

Output ..............................................1

Keyboard ............................................1

Turning on the instrument ...............................2

Parameter change ......................................3

Exit with/without saving .................................3

Turning off the instrument ...............................3

Backlighting...........................................4

Sound warning ........................................4

Low battery ...........................................5

2 Main clock 7

Clock setting ..........................................7

Exit without synchronizing ..............................7

Exit with synchronization of seconds......................8

Seconds timer of the time ...............................8

Splitting the time of the day (SPLIT) .......................8

3 The countdowns 11

Alarm ..............................................11

Timer ..............................................11

Beep ..............................................11

Loop ..............................................12

Timer ( t x ) mode .....................................12

Timer split ..........................................13

Timer reset .........................................13

Reprogramming the duration ...........................13

Alarm mode ( A x).....................................13

Beep mode (

b x).....................................14

Loop mode ( L x)......................................15

How to join two countdowns ( Join ) .....................16

Activation...........................................16

Operation ..........................................18

If and error occurs... ...................................18

Accidental split with a joined CD.........................18

english

1

4 Training function 19

Selecting the Training function ..........................19

Adjusting the clock and the type of reading ...............19

Operation ............................................20

5 Characteristics 21

Inputs and outputs ....................................21

Audio output ........................................21

External push-button input .............................21

Life .................................................21

Technical data ........................................22

6 Warranty 23

7 Conformity 25

english

2

1 General information

is an instrument incorporating a 24 hours programmable
centesimal “main clock”, and 4 centesimal countdowns that can work with
different operating modes. The whole unit is operated by high precision time
base.

One special feature of countdowns is that they can be joined to each other
or they can be interfaced to the main clock.

also features a special function that allows to use it as a
progressive or partial “timer” and to save up to 99 readings that can be
displayed at any time.

Display

The

uses an expressly manufactured high contrast
screen, composed of 2 lines with 12 mm high figures and one series of
indicators, in order to signal the status of the selected countdown if chained,
etc.

Equipped with backlighting that can be turned on based on your needs, it
guaranties an optimal visual quality also in environments with insufficient
lighting.

Input

The

has an external input that duplicates the functions of

the

key, allowing the START/SPLIT of the counting of the
countdown by means of a push-button PB5/JG-A, or the electrical
synchronization of the main clock through the connection to a synchronizer.

Output

Using an headset (type “CD reader” or other) connected to the appropriate
socket, you can hear the sound made by the instrument also in noisy
environments.

Keyboard

The keyboard is of membrane type with raised keys and is completely
waterproof. Some keys have a second function that corresponds to the
caption located under it.

F

In the handbook, the second function is displayed by the caption
under the key. (Es. main function

, secondary

function

)

english General information

1

Turning on the instrument

In order to turn off the instrument, just hold the key pressed until the
caption “Crono-02” is displayed with the firmware version of the instrument.

If you release the key, the

displays the following

programming for approximately 2 seconds:

SP=no(factory value)
duration in seconds of the freezing of the display of the time, after the
operation of the

key or of the external line.

bP=10(factory value)
value of seconds to the 0,00, in order to automatically activate the acoustic
seconds timer.

When the time has elapsed, the chronometer switches to “Main clock”.

General information english

2

SECONDS

JOIN |LAP

SET

CLK

CSSOUNTDOW N ELECT ETTIMG&

QCTplusC&BU ADR UPLE O UN TDO W N IM ER LO CK EEP

START

SPLIT

HOURS M INUTES 1/100

EN T.

ESC.

RESET

TYPE - SELECTED

S.PEC

N.OR M

CD 2CD 1 CD 3 CD 4

Jo 2 Jo 3 Jo 4 Jo 1

E

XPIRED

Headphones jack
External START/SPLIT jac k

Auxiliary connector (no t used)

Cloc k and CD
( countdown) display

Typ e of CD
sele cted

Ind icat ors f or:
BIP

BAC KL IGHT
LOW BAT T.

Chronometer
status

Operating
mode

Linked CD type
and index

Linked CD sig nal

CD index
selected

Expired CD sig nal

Parameter change

In order to modify the display and seconds freezing parameters for the
automatic activation of the seconds timer, press the

button as they

are being displayed for 2 seconds.

The instrument enters “programming parameters” and lights up the sign
SET.

The value of freezing seconds flashes on the screen and after the SPLIT

In order to switch to the programming of the automatic activation of the
seconds timer, it is necessary to operate the R or L key.

If you press one of these keys again, the instrument will go back to the
programming of theSPLIT time

Use

and to change the value of the selection.

The freezing time varies from a minimum of 1to a maximum of 15 seconds
or it can be disabled by selecting “no”.

The value of the seconds required to activate the automatic seconds timer
goes from a minimum of 1 to a maximum of 30 seconds

Exit with/without saving

In order to exit and to permanently save the modified parameters, press the

key.

In order to exit, without applying any change and therefore leaving the
previous values unchanged, press the

key.

In both cases, the instrument switches to “Main clock”.

Turning off the instrument

Anytime, in order to turn off the instrument, just hold the O key pressed until
the caption “OFF” is displayed.

When you release the key, the [ turns off.

english General information

3

Backlighting

In order to use the chronometer in places where light is insufficient, or at
night, you can enable the display backlighting.

During normal operation and not when setting, press the

key

continuously, to toggle between the three available backlighting options:

Always Backlighting remains always on.

The

symbol of the display remains fixed

When
needed

the backlighting turns on by pressing any key. It remains on for
4 second, and then it turns off automatically
.The

symbol on the display blinks

Off Backlighting remains always off.

The

symbol of the display remains off.

Sound warning

The can sound a beep at every change of second, both in
the headphone and with an internal buzzer.

By pressing the

key continuously, you can toggle between:

All The

symbol on the display is on and fixed.

The beep is generated at every change of second, both in the
headphone and to the internal buzzer.

HeadphoneThe

symbol on the display blinks.

The internal buzzer is disabled and signals are generated only
in the headphone..

Off The

symbol on the display remains off.

No sound is played.

General information english

4

Low battery

When the battery life drops below 10%, the blinking symbol is displayed
on the screen.

F

When the “low battery” warning light is turned on, to reduce
consumption, the backlighting is automatically limited to “on
demand” mode

At this point, before the equipment turns off, the residual life goes from 10
to 15 hours (with backlighting on demand) to over 30 hours (with
backlighting always off).

english General information

5

General information english

6

2 Main clock

At start up, the switches to “Main clock" and the function
is displayed by the caption “CL” in the “Type Selected” zone of the display.

This function enables a high-precision hundredth-resolution clock that can
be programmed throughout the 24 hours.

During regular operation, this feature can be manually enabled by pressing

key.

Clock setting

Upon startup, the clock starts counting from 0.00 time.

Press

to access the programming mode.

The

switches to programming and “SET” is displayed on

the screen.

The time group starts bilking, to show that it can be edited.

Use the

and keys to increase or decrease the value.

If pressing continuously, digits slide faster.

Press

key to reset the blinking group of digits.

Press

to switch to the programming of the next group.

Press

to return to the programming of the previous group.

When you have reached the “second” group, press

again to return to

the programming of the hours.

Exit without synchronizing

Press key to exit from the programming modifying the
synchronization of seconds.

I

WARNING: any change applied to hours and/or minutes directly
modify the clock. Therefore, after having applied the changes,
you cannot return to the setting of the previous time

english Main clock

7

Exit with synchronization of seconds

The seconds in the clock cannot be programmed but they can be reset
anytime by operating the external line.

Therefore, upon striking of the full minute of the “sample clock” , you will
need to set in action the external push-button with the greater precision
possible.

If seconds are 30 or more, one minute will be added when resetting
seconds. This will allow you to quickly resynchronize a “a nearly exact”
clock without never having to readjust the minutes, both in case of advance
or delay.

In other words, if you need to synchronize the clock on 8h15’ 00", if the

reads 8h15’ 01", it will be taken back to 8h15’ 00", while if
it’s delayed and it reads 8h14’ 59", than it will be “advanced” always to
8h15’ 00").

I

WARNING: you can also use the key in order to
reset the seconds, but because of the delays in the scanning of
the keyboard, this synchronization turns out to be inaccurate
compared to the action of the push-button or to an external
control.

After the synchronization, the chronometer exits the programming step (the
digits stops flashing and the caption SETis removed ) and switches to RUN
mode .

Seconds timer of the time

During the clock regular operation, you can check its synchronization with
another clock by turning on the seconds timer of the clock. To do so, press

(see previous paragraph).

This allows you to make and acoustic check over any difference between
difference clocks, without having to simoultaneously look at both displays.

Splitting the time of the day (SPLIT)

Often it can be useful to temporary “freeze” the display of the clock, without
stopping it.

In order to make this just to press the

key or use the

external push-button.

Main clock english

8

The time of the clock “is frozen”, showing hundredths and SPLIT is
displayed on the screen.

The counter is automatically restored after the pre-programmed period of
seconds (if different than “no”) or it can be restored manually, by pressing
again the

key.

english Main clock

9

Main clock english

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3 The countdowns

The four countdowns of are very versatile and easy to
use. More specifically, they can be “linked” together or the main watch, to
manage also races with linked sectors.

Selection & programming of countdowns

In order to select a specific countdown, just press the relevant CD x
“selection key". The screen displays the type and number of CD selected in
the “Type Selected” area.

For example by pressing the

key, you will select “CD 1”.

To access the programming of the selected CD, just press

.

The “Type Selected” group starts blinking to show that the CD operating
mode can be selected.

Four operating modes are available:

Alarm

The Alarm mode (A, on the display) can be compared to a clock wake-up
call..
You want the “wake-up call” to sound (e.g. the countdown to get to zero) at
a specific time of the day.
Its typical use is for passing time checks.

Timer

The Timer mode (t, on the display) is a very regular countdown.
By setting a duration, you will want the time to elapse after a specific time
from startup (manually started by pressing START/SPLIT or by using the
external remote control).
This is usually used in timed try outs.
One started, you will be able to edit “in race” the duration of the timer. In
this case the timer calculates the arrival time and displays the new residual
time.

Beep

The Beep mode (b, on the display) is a simple resettable seconds timer.
It always counts up and times seconds and every time you press

or you operate the external remote control, it resets and

restarts immediately.

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11

Loop

As in Timer mode, after setting the duration and starting the timer, every
tine you press the

key or use the remote control, the error
vs. the zero is displayed and it restarts immediately, recharging the
programmed duration.
Also in this case you can change “in race” the countdown duration. The
timer calculates the new “arrival time” and displays the residual time.

F

It is important to understand well the essential difference
between the different mode, especially between the first one and
the other three. The first one is strictly linked to the time of the
day, while the other ones are completely independent.. The
Timer, Beep e Loop modes must be started, while Alarm no (you
never “ start” a wake up, you just need to set it!).

Using the

and keys you can select the type of timer to use.

F

Press key to exit at any time from the programming
without changing anything.

Timer ( t x ) mode

If you select this operating mode (t), with the key you go to the
programming of the countdown duration, proceeding as in the setting of the
Main clock.
The only difference consists in the possibility of programming seconds and
hundredths.

Press

to exit programming and to confirm the changes applied to

duration.

Now the countdown can restart:

The STOP caption is displayed on the screen, to signal the waiting to start
status.

Pressing

or operating on the external remote control. The

count starts:

You can enable/disable the acoustic seconds timer (as previously
described) by simply pressing

When the “pre-set” value that automatically starts the seconds timer,
seconds are counted with a sound, one by one, without considering the
continuous activation made with

.

The countdowns english

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After the zero, counting up continues (without the “minus” sign), showing a
delay compared to the time set.

Timer split

After the A countdown has started, by pressing

or using the
external remote control, the countdown is split. The time including
hundredths is frozen on the display, preceded by “-” if it has been split
before reaching zero, or without sign if after the zero:

F

It is always a good rule to split the chronometer as you pass the
finishing line: this will allow you to compare the time you have
taken with the one taken by the chronometrist, in order to avoid
any error in the transcription of the time of your schedule.

The time freezing is automatically removed after the pre-set time has
elapsed or by pressing the

key.

Timer reset

When a Timer is started, usually it is not necessary to stop it.

If the Timer has started by mistake, all you need to do it press the

key. After about 2 seconds the timer is reset to the

previously set time and it sets to the “ready to start” mode.

Reprogramming the duration

You can change the timer duration at any moment by pressing the
key.

If you change the duration, when you exit programming you can obtain two
results, based on the condition of the timer before its change:

®

timer stopped (STOP): the new setting is shown on the display and the
timer is ready to start,

®

timer running (RUN): using the time of the previous start and the new
duration, the new expiry is calculated again and the residual time is
shown on the display.

Alarm mode ( A x)

If you select the Alarm (A) type, the time to be set is not a “duration”, but a
time of the day.

The programming mode of the time of the day when the countdown should
elapse is the same as the timer mode.

english The countdowns

13

Press to exit and confirm the programming.

By using the “Main clock”, the chronometer calculates and displays the
residual time to the programmed time.

Please not that since it is not necessary to start the CD, you can edit its
setting at any time, without loosing your data .

At any change of the programming, the

recalculates the
new expiry and displays on the screen the residual time to the programmed
time.

I

WARNING: since the Alarm mode is connected to the main
clock, any change to it will cause a change to the residual time
from the programmed time.

Beep mode (b x)

This is the simplest of the operating modes.

After selecting the Beep mode, any preset time is reset.

If you exit programming by pressing

, the chronometer displays 0.00

and switches to “ready to start” (STOP. on)

If you operate the

key or the external remote control, the

count will start.

Seconds are counted up one by one (the seconds timer is automatically
started but you can disable it).

Operate the external remote control or press the

key once
more, to freeze the time on the display with the hundredths and to
immediately reset the counter:

A lap counter in the “Join | Lap” area of the display in incremented at each
split.

Time is automatically “unfrozen” after the pre-set time has elapsed or if you
press the

key.

Press

for approximately 2 seconds to reset default conditions
(seconds timer “ready to start” and lap counter to zero) è necessario tenere
premuto per circa 2 secondi il.

The countdowns english

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Loop mode ( L x)

This operating mode is similar to the Timer mode, with the difference that if
you use the external remote control or press the

key, in
addition to displaying the error vs. the 0, the countdown will restart and
automatically reset the programmed duration.

After setting the duration as described above, if you exit the programming
mode the

will default to “ready to start” and display the

programmed duration and the lap counter (bottom right of the display) as 0.

Operate the remote control to start the Countdown.

When you pass the finish line and operate the remote control, the display
“freezes” the lap time (SPLIT), while counting restarts from the value of the
programmed duration. The lap counter is increased by one unit.

Counting is automatically resumed after the pre-programmed time or by
pressing the

key.

I

WARNING: if you have set the value of freezing seconds after
the SPLIT=no, in this mode the lap time will be displayed for 2
seconds and then it will automatically go back to the next count.

Also in this case you can change in any moment the value of the duration of
the countdown and obtain the same effects described in the Timer mode.

In order to return to the “ready to start” mode, hold the

key pressed

for 2 seconds.

english The countdowns

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How to join two countdowns ( Join )

In some cases you may find yourself in races where some races are linked
to each other.

As an example, a series of timed trials joined one to the other, that is where
the actual end of the first one is considered as the start of the next one and
so on, or a timed trial starting from the actual passing on a time check.

To solve these problems, you simply need to “join” two countdowns. This
will split the first CD (es. that of the time control) and automatically start and
display the next countdown (a timed race).

Activation

To join of the currently selected CD to the next one, just press the selection
key of the same CD.

As an example if you have currently selected CD 1, in order to joint it to
CD2, you have to press

.

F

NTOE: you can only join nearby timers:

timer 1 to timer 2,
timer 2 to timer 3,
timer 3 to timer 4,
timer 4 to timer 1.

I

WARNING: if the currently used timer is a Beep one, joining is
not possible, due obvious usage reasons.

I

WARNING: if the timer is a Lap one , pay attention when using
the “Join” function, in order to avoid switching from a lap “block”
to another at the wrong time. In other words, if you need to run
10 laps with a certain set time and 10 more laps with another
specific time, the “Join” function must be enabled after the ninth
lap, so that when you have run the tenth lap the

switches to the next lap “block”.

On the display “Join” and “Join | Lap” symbols are turned on. They indicate
the type and the index of the joined (next) CD.
This group may blink, to signal the following possible conditions:

®

the next CD is neither a Timer nor a Lap one.

®

the next CD is a Timer/Lap but has no programmed duration.

®

the next CD is already working.

The countdowns english

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Operation

When two countdowns are joined, if you split the time on the first CD (by
pressing

or using the external button connected to the

remote control line), what happens is:

1: counting on the currently enabled CD is split.

2: The counting on the next CD is reset (if already working it is restarted

from

the value it had been set to).

3: The display shows the next CD.

In order to check the passing error detected by the previous CD, just select
it using the specific key.

If and error occurs...

Sometime CDs are started or split by mistake.

As long as they remain independent (not joined) the effects are minimal:
just hold

pressed for 2 seconds if it is a Timer, Beep or Loop, and
only START/SPLIT if it is an Alarm and everything will be restored. If it
happens when the different sectors are already joined, than things will get a
little complicated.

Accidental split with a joined CD

Splitting a CD by mistake means to start the next CD. To troubleshoot:

1: Press twice

the key corresponding to the previous CD, once to select it

and the other one to enable again the Join.

2: Press

to delete the split.

You will not need to reset the CD that you started by mistake (this will be
automatically done in the next step).

english The countdowns

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The countdowns english

18

4 Training function

This special function changes the into a “regular ”
hundredths chronometer.

If combined with our SENTINEL pressure gauge, it becomes a great
training system, with the same features:

1: The input line is timed at 2 seconds, to detect the passage of the rear

wheels.

2: Reading can be progressive (solar time) or by sectors (lap time, at each

passage count restarts from 0).

3: You can save up to 99 reading for easy future reference.

Selecting the Training function

To access this function, turn on holding the key
pressed. Release the

key when the “Crono-02”caption disappears. The

instrument will access the special function mode. This is shown by

SPEC indicator.

After accessing the function, the clock (which starts counting from 0.00) is
displayed with the type of reading (progressive) and the expected reading
index (01).

Adjusting the clock and the type of reading

To set and/or synchronize the clock, just press .

The time group starts blinking. Use

and to change values.

Press

to switch to minutes.

When you are on seconds (not programmable) you can synchronize the
clock with the method“Exit with synchronization of seconds” describe on
page8.

To change the type of reading to be used, when you are on seconds, press

one more time before synchronizing them.

“Pr” (Progressive reading) starts blinking.
You can change it with

, and switch to“LP” (Lap, lap time).

If you don’t need to synchronize seconds, use

to confirm your

settings and return to regular operation.

english Training function

19

Otherwise, if synchronization is required, just press to return to the
group of seconds and follow the exit with synchronization procedure.

Operation

After programming the clock and having decided the type of reading, every
time you operate the external line, the chronometer “freezes” on the display
and saves the reading time (including hundredths), increasing the reading
count. If the reading is a sector one (“LP”), it will resume counting d 0.00.

At every subsequent start the new reading is shown on the display and
saved.

Press

to remove time “freezing”.

Press

and to scroll the list of saved reading.

I

WARNING: after the 99 reading have been saved, the next ones
will overwrite the oldest ones.

In order to delete readings from the memory, hold the

key pressed

for 2 seconds.

Training function english

20

5 Characteristics

Inputs and outputs

Audio output

In the lower part of

a ø 3,5 millimeter stereo jack is

provided for the connection to an additional loudspeaker or to an headset.

The output level is fixed.

External push-button input

The

has an external input that allows you to connect
thePB5/JG-A push-button, included in the supply, that duplicates the
functionality of the

push-button.

Life

The life of is greater than 300 hours, using alkaline
batteries.

When battery life is almost over, a

blinking symbol is shown on the

display.

The backlighting is automatically limited to “on demand” mode.

At this point the remaining life is of approximately 10-15 hours with the
backlighting active, or greater than 30 hours if backlighting is off.

Replace the batteries as soon as possible!

I

WARNING: if you expect not to use the for a
long period of time, remove the batteries from the equipment.
You will avoid disagreeable consequences deriving from
possible acid leaking.

english Characteristics

21

Technical data

Technology: 16 bit, CMOS-LSI microprocessor.

Dimensions and weight:210 x 100 x 45 millimeter, 400 g, batteries inclu

-

ded.

Display: LCD custom multiplexor 4 phases

Power supply: 4 internal batteries 1.5 Volt, type AA

Life: Greater than 300 hours, using alkaline batteries.

Output: Loudspeaker or headset2x32Ohm.

Accuracy: At 25°C: ±1 ppm(±0.0036 sec./h).

±5 ppm at -10°C a +70°C.

Connectable
accessories:

External pushbutton code PB5/JG-A,
included in the supply.
Radio controlled synchronizer Synch
ro through cable CVJG/JG .
High sensibility pressure gauge SENTINEL

wih cable CV BSC/SC

Accuracy:

At 25°C: ±1ppm(±0.0036 sec./h).
± 5 ppm at -10°C a +70°C.

Characteristics english

22

6 Warranty

Digitech S.r.l. warrants against all manufacturing or
material defect for a period of 24 months from the date of purchase.

Should during such period arise any such fault, Digitech S.r.l. shall repair or
replace the equipment at no charge. Only carriage costs shall be payable
by the customer.

This warranty does not cover any fault due to tampering, accidental causes,
negligence or misuse of the instrument. No other guarantee is expressed
or implied.

Batteries and any damage caused by them are not covered by Digitech
warranty. Contact the battery manufacturer to obtain information on the
battery warranty.

F

Warning: The sequences of keys and any program related
material, including the merchantability and fitness for intended
use thereof are not covered by any type of express or tacit
Digitech’s warranty.
The user shall be the only party liable for any risk connected to
the quality and the performance of the sequences of keys and of
the program related material. In the event the sequences of keys
or the programs are found to be defective, the user (and nor
Digitech nor others) shall bear any required correction and
deriving damage, if any. In any case, Digitech will not be in some
way liable for any damage arising out of the supply, the use and
the performances of the sequences of keys and the program
related material.

english Warranty

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Warranty english

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7 Conformity

DECLARATION OF CONFORMITY

pursuant to EN45014 and to ISO / IEC Guide 22

Manufacturer’s name: DIGITECH S.r.l.
Manufacturer’s address: Via Muggia, 6 - 34018 San Dorligo della

Valle (TS) - Italy

declares that the product

Type of product: Programmable chronometer
Product name:

conforms to the following directives

Directive 73/23/EEC Safety: - IEC950 1991 / EN60950 : 1993
Directive 89/336/EEC EMC: - EN55022 Class B

EN50082-1 : 1992

- IEC801-2 1984 - 4kV CD - 8kV AD
IEC801-3 : 1984 - 3V/m

Additional remarks:

The programmable
chronometer has been tested with a
typical configuration, with a PB5/JG-A
DIGITECH button.

Trieste, March 15, 2007 Gustin Diego

QA Manager

english Conformity

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