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Rowing & Sports Performance Monitoring Support
Interval 2000 Operating Instructions
SUMMARY
OF FEATURES
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Buttons:
Button
functions are marked on the label. [HOLD] the button
to perform functions printed in yellow.
- TC RATE[STORE]-ON[OFF] (top center)
- TR START/STOP (top right)
- TL SPLIT [CLEAR] (top left)
- FL LAP/CUM [NEXT SEG] (front left)
- FR RECALL [EXIT RECALL] (front right)
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The Interval
2000 has many advanced features not available
on other stopwatches. Like all NK products the Interval is WATERPROOF and FLOATS. With it, you can:
- Store
up to 2000 data points in memory.
- Store multiple workouts or races in "segmented" memory, identified by
date and time.
- Create up to 676 segments (depending on number of splits stored in each).
- Take and view times and rates without changing modes or screens.
- Measure rates based on 1, 2 or 3 cycles.
- Display rate as cycles per minute or seconds per cycle.
- Store rates in memory with the elapsed time at which they were taken.
- Clear data from one segment at a time or from all segments at once.
- View built-in clock and calendar.
- Time events in low light with automatically activated backlight.
And,
with the optional computer interface and software, you
can:
- Upload
all memory data to a PC.
- Organize memory data by event, date and athlete.
- Assign athletes names to splits.
- Calculate speed and distance per stroke (when timing over a known distance).
To make the most of all of these advanced features, please read these
instructions carefully.
WATCH
DESCRIPTION
Windows
1 Split Time: Displays lap split ("LAP" - time
between the last two presses of TL) or cumulative
split ("CUM" - elapsed time since start).
Display mode can be switched at any time
using FL.
2 Running
Time: Cumulative elapsed time.
3 Rate: Rate
of frequency of a cyclical event (rowing stroke, swimming stroke,
stride, etc.) displayed in number of cycles per minute or number
of seconds per cycle. Rate base (1, 2 or 3) indicator.
4 Memory
Counter: 0 to 999.
Physical
- Display
Backlight: Activates automatically
in low light with every button press and
stays on for 2.5 seconds.
- Protective Cover: Protects watch from shock and scratches. May
be reversed to protect the display when not in use. Available in a choice of
colors allowing you to personalize your Interval (order additional covers from
NK or your supplier).
- Waterproof: Waterproof to 2 meters.
- Floats
Warranty
The Interval is
guaranteed against defects in materials and
workmanship for one year from the date of
purchase. The provisions of this warranty
do not apply to: a) batteries; b) products
which have been subjected to misuse, negligence,
accident, alteration or improper maintenance
or repair.
ABOUT
THE INTERVAL'S RATE FUNCTIONS
IMPORTANT: Please
read this section to familiarize yourself
with the INTERVAL 2000's rate features
and options. THIS IS PARTICULARLY IMPORTANT
FOR FORMER NK CHRONOSTROKETM OWNERS
AS SOME OF THE RATE FEATURES HAVE CHANGED
- Rate
Preferences: The Interval offers
you three customizable rate features: rate
base, rate display and rate
storage. Instructions for setting
your preferences for these features are
located under "SETUP."
- Taking
a Rate: The Interval's rate
feature allows you to measure the frequency
of a repetitive event such as a rowing
stroke, swimming stroke or running stride without
interrupting your timing. To take
a rate, you simply press the rate button TC in
sync with the cycle to be measured, such
as when the oar or hand enters the water,
foot strikes the ground, etc. The Interval calculates
rate based on the time between the most
recent two presses of TC and
displays it in the rate window 3.
If you press TC repeatedly,
the rate display will update with each
press to show the rate based on the two
most recent presses of TC.
- Rate
Base: The "rate base" is the
number of cycles (strokes, strides, etc.)
you count when taking a rate. Your choices
are 1, 2 or 3 cycles. Each will yield
the same rate measurement. (See "TO TAKE
RATES" in the "USE AND OPERATION" section
for more information.) There are additional
considerations to selecting your rate
base:
- Base
1: Rate base 1 lets you take rate measurements
quickly, but will sacrifice some accuracy.
You can improve your accuracy by pressing
TC repeatedly in time with the cycle.
- Base
2: Rate base 2 offers higher accuracy
than rate base 1, but still allows you
to take multiple rates rapidly. Rate base
2 is also useful for measuring the armstroke/footfall
frequency of bilateral movements. Rate
base 2 measurements are taken by first
selecting rate base 2, then press TC once
every Left/Right cycle. The displayed
rate will be the armstroke/footfall rate.
- Base
3: Rate base 3 yields the most accurate
rate measurements.
- Rate
Display: You may choose to display
rate frequency as either cycles
per minute (resolution of 1/2
cycle per minute) or seconds per
cycle (resolution of 1/100th
of a second).
- Rate
Memory: The Interval is
able to store rates in memory. Rates
are stored with a "time-stamp" (to a
resolution of 1 second) indicating when
the rate was taken. To store a rate in
selective store mode ("SEL"), you must
hold TC down on
the second press of the rate-taking
cycle until the watch beeps (about 1.5
seconds). The Interval can
also be set to store all rates in memory
("ALL"), which may result in having lots
of data in memory to review but allows
you to quickly take and store many rates
in a short period of time (such as during
a racing start).
Notes:
- If
you pause 10 seconds or more between rate
measurements, the rate timer will be automatically
reset. The lowest rates/highest cycle lengths
which can be measured are:
- Rate
Base 1: 6/min or 9.99 sec/cycle
- Rate Base 2: 12/min or 4.50 sec/cycle
- Rate Base 3: 18/min or 2.25 sec/cycle
- If
you pause less than 10 seconds between rate
measurements, the internal rate timer will
not be reset, and the rate value shown with
the first press of TC will
be based on the pause length, not an actual
cycle length. The rate value shown with subsequent
presses of TC will
be the actual cycle rate.
- For
users familiar with the NK Chronostroke,
the Interval's rate
base 1 differs from the Chronostroke 1-stroke
mode because the Interval updates
the stroke rate with every press of TC.
The Interval rate
base 1 differs from the "AUTO" mode because
the Interval does
not average multiple stroke cycles. It is
therefore not necessary (or possible) to
rezero the stroke rate window on the Interval.
SETUP
IMPORTANT: Select
your rate preferences and set the date and time BEFORE
using the Interval. The Interval is set to Rate
Base 1, Strokes/Minute and Store Selected Rate when
shipped.
- Press TC to
turn on the watch.
- To enter setup, press and hold FL and FR together
until the watch beeps and the rate base arrow begins flashing.
- Press FR to change
the flashing item.
- Press FL to select
the item to be changed (rate base, rate display, rate storage,
date and time).
- To exit setup, press and hold FL until
the watch beeps
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USE
AND OPERATION
To Time an Event
- Press TC to
turn on the watch.
-
Press TR to
start the timer.
-
Press TL to
store a split.
-
Press FL to
change between "LAP" and "CUM" display in the split
window 1. In "LAP" display,
the lap split (the time between the last two presses
of TL) will be displayed
for 8 seconds, after which the lap split time
will start to run again (starting from 0:00'08"00).
In "CUM" display, the cumulative split time will be
displayed until the next split is stored. You
may change the display mode at any time.
-
Press TR to stop
the timer. The finish time will be stored in memory together
with the last lap split.
Note: If
the timer is stopped, then restarted, the stop/restart
times will NOT be stored. The split time will be the
same as if the timer was not stopped.
To Time Another Event (Create a New Segment)
To
time another event, you may eitherCreate a New Segment or Clear the Current Segment. Creating a new segment will
preserve the data from the event you have just completed.
Clearing the segment (see "TO CLEAR DATA") will delete
the data from the event you have just completed and allow
you to store new data in that segment.
- To
create a NEW SEGMENT, press TR to
stop the timer, then press and hold FL until
the watch beeps to create a new segment. The memory window
4 will display the next available segment number and
the other windows will show 0's.
- Follow
steps 2 through 6 of "TO TIME AN EVENT" above to time
a new event and store the times in Segment 2.
- Repeat
steps 1 and 2 to create and use new segments as desired.
To Take Rates
PLEASE
READ "ABOUT THE INTERVAL'S RATE FUNCTIONS" BEFORE USING
YOUR INTERVAL TO MEASURE RATE.
- Press TC at
an identifiable point in the cycle to be measured (blade
or hand entering the water, footfall, etc.)
- Press TC again
at the same point in the cycle after the number of cycles
you have selected as your rate base.
- The
rate will be displayed in window 3.
Note: The
rate base only affects how many cycles you count. Changing
the rate base will not change the rate measured.
To Store Rates
- In
STORE SEL mode, hold TC on
the second press of the rate-taking cycle until the
watch beeps (about 1.5 seconds).
- In
STORE ALL mode, simply take rates as outlined in steps
1 and 2 of "TO TAKE RATES" above. EVERY rate taken will
be stored in memory.
Notes:
- Rates
stored in memory are numbered separately from splits
- split 1, split 2, split 3, rate 1, rate 2, split 4,
etc. This ensures that the split and rate numbering will
remain consistent with the actual laps.
- You
cannot store rates when the timer is stopped. (You can
still take rates.)
- If
you pause less than 10 seconds between taking two rates,
the Interval will
calculate a rate based on the the pause length rather
than the cycle length. In STORE ALL mode, this rate will
also be stored in memory. Simply ignore this rate when
recalling memory.
To Recall Data
You
may recall data when the timer is running ("on the fly")
or when the timer is stopped. The timer continues
to run internally when recalling on the fly. When
recalling on the fly, you may only review the segment
currently being timed.
As
you recall data, the memory window will show the split
number OR the rate number.
1) Recall
On the Fly
a)
Press FR to begin memory
recall and to step through the data stored in the current
segment. With each press of FR the
split display will step through the stored splits and
rates (with the time they were stored), in reverse order.
For example: split 5 - rate 4 - split 4 - rate 3 - split
3 - rate 2 - split 2 - rate 1 - split 1. After reaching
the beginning of the stored data, continued presses of FR will
display the memory data in reverse order again.
b)
Press FL to toggle
between lap and cum display of the split memory in 1.
c)
Press and hold FR to
exit recall OR
d)
Press ANY top button (TL,TC or TR)
to exit recall AND perform the usual function
of that button (store split, stop, take rate, etc.).
2) Recall
with Timer Stopped
a)
Press FR to begin memory
recall and to step through the data stored in the current
segment. The lap split will be displayed in 1 and
the cum split in 2.
You will see the following:
b)
Press FL to choose another
segment to recall. c)
Press and hold FR to
exit recall.
To Clear Data
- To
clear the segment you are in, press and hold TL for
approximately 5 seconds. The watch will beep quickly
6 times then give one long beep at which point "CLEAR
SEG" will be replaced by "CLEAR ALL" on the display. Release TL to
avoid clearing all data. The watch display will show
all 0's and you may store new times in that segment.
You must hold TL until
after the long beep to clear the segment.
- To
clear a different segment, press FR (enters
memory recall) then FL to
select the segment you wish to clear. Then follow
step
1
to clear that segment. If you have a great deal of data
stored in the watch, the display will flash "BUSY" while
it reorganizes the data. The watch will move to the next
available clear segment and the display will show all
0's. You may now store times in the new segment OR re-enter
memory recall to select a different segment to clear.
- Note: When
you have multiple segments stored in your watch and you
clear an interim segment, the segments stored after the
cleared segment will "drop down" to replace the cleared
segment. For example, if you delete Segment 5, Segment
6 will move to the Segment 5 position, Segment 7 will
move to the Segment 6 position, etc. New data will be
stored in the next available segment number.
- To
clear all data from all segments, follow
step 1 above but CONTINUE holding TL after
the first long beep and "CLEAR ALL" appears on the
display for approximately 5 MORE seconds (10 seconds
total). The watch will beep quickly 6 more times
then give one long beep and show all 0's and Segment
1. You may release TL at
any time before the final long beep to avoid clearing
all data in the Interval's memory.
To Display Date and Time
Press FL and FR together
to display the current time and date (month-day-year
format in US models, day-month-year format outside of
the US). The information will remain on the display for
5 seconds.
To Activate the Backlight
The
backlight will be activated automatically with every
button press in low light conditions and will stay on
for 2.5 seconds. To activate the backlight without storing
a split or stopping the timer, you can press TC or FL.
Note: The
backlit display will be clearest when the top of the
display is tilted slightly away from you. Please take
this into consideration if you plan to mount your watch
on a fixed surface.
To Turn the Interval Off
Press
and hold TC to turn
the Interval off.
To preserve battery life, the Interval will
also turn itself off after 20 minutes of no activity
(timer stopped, no button presses) or 10 hours of running
unattended (timer running, no button presses). All memory
data will be preserved and the watch will return to the
state it was in when it was turned off.
Note: You
must exit the setting routine before you can turn the
Interval off.
To Change the Battery
When
the Interval's display
grows dim, the battery needs to be changed. All memory
data will be lost when you change the battery, so be
sure to record or upload your data when you notice the
display growing dim.
The Interval uses
two CR2032 lithium cells, available where watch batteries
are sold. The batteries are stacked one on top of the
other in the battery compartment. The "top" battery (closer
to the battery door) runs the backlight, the "bottom" battery
(closer to the circuit board) runs the watch functions.
- Open
the battery compartment with a coin and tap the back
of the watch on your palm to remove the batteries.
- Change
the affected battery. (You can use a functioning backlight
battery to power the watch by switching the positions
of the batteries.)
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