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RETURN
HR150
®
Heart Rate Monitor
Owner’s Manual
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Table of Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Functions and Features . . . . . . . . . . . . . . . . . . . . . . . 2
Button Commands and
Important Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Positioning the Chest Strap/Transmitter . . . . . . . . . . . . 5
Mounting the Receiver to Your Bike . . . . . . . . . . . . . . . 6
Setting Up Your HR150 for Use . . . . . . . . . . . . . . . . . . 7
Setting the Time of Day and Date . . . . . . . . . . . . . 7
Setting the Daily Alarm . . . . . . . . . . . . . . . . . . . . 8
Setting Your Heart Rate Target Zone . . . . . . . . . . . . 9
Using Your HR150 . . . . . . . . . . . . . . . . . . . . . . . . . 10
Displaying your Heart Rate . . . . . . . . . . . . . . . . . 10
Time of Day and Date/Heart Rate . . . . . . . . . . . . 11
Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Stopwatch . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Time in Zone . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Replacing Batteries . . . . . . . . . . . . . . . . . . . . . . . . . 15
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Axiom HR150 Specifications . . . . . . . . . . . . . . . . . . . 18
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Table of Contents (cont.)
Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Fig. A1, HR150 Function Overview . . . . . . . . . . . . .20
Fig. A2, Time of Day/Date Main & Setup Screens . . .22
Fig. A3, Daily Alarm Main & Setup Screens . . . . . . . 24
Fig. A4, Time in Zone Main & Setup Screens . . . . . . 25
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Introduction
The wireless Axiom HR150 heart rate monitor calculates and
displays heart rate information using a radio frequency
transmitted from the chest strap to the watch receiver.
The Axiom HR150 provides the feedback you need to monitor your training, and the functions you need to increase
your fitness and performance.
Combined with an appropriate exercise program, the Axiom
HR150 will help you:
• Monitor your training
• Reduce your heart rate recovery time
• Increase your aerobic capacity
• Improve your overall fitness
• Improve your exercise performance
The clear display and simple operation make the Axiom
HR150 user-friendly!
WARNING: Before you begin any exercise program you
should consult a physician. If you use a pacemaker or
other implanted electronic device, consult your physician
prior to using a heart rate monitor.
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Heart
Rate icon
Audible Out of
Zone Alarm icon
Above, In
or Below
Zone icon
Stopwatch
Time in Zone
Figure 1. HR150 Display, all possible LCD segments on. Buttons
are as marked on display surround.
888
STWPMTiZ
::
RETURN
88888
88
PM icon
(12-hr mode)
Daily
Alarm icon
Functions and Features
1. Current heart rate
2. Out of Zone alarm (visible and optional audible)
3. Time of day (12 or 24 hour mode)
4. Daily alarm
5. Month and day calendar
6. Stopwatch
7. Recall time spent in target heart rate zone
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Button Commands and Important Tips
Button Commands
The Axiom HR150 offers a variety of functions, yet is simple
to use. You need remember only a few basic button commands to set or change values and to scroll through the
four main screens.
To advance from one main screen to the next, press the
Mode button. The Mode button will advance through the
four main screens in the following order: Time of Day, Daily
Alarm, Stopwatch, Time in Zone, and back to Time of Day.
Please note that all button presses should be a short press
and release unless otherwise noted.
To enter setup mode: Press the Select button in any main
screen except Stopwatch. To advance from one setup screen
to the next, press the Select button. To change the values
within each setup screen, press the Adjust button.
At any point in the setup mode, you may return to the previous setup screen with a short press of the Return button.
To exit the setup mode and return to one of the four main
screens, press and hold the Return button.
The following instructions explain the complete setup procedure for all functions. If you’d like to program a single
function, advance to the main screen for that function
using the Mode button, and then press the Select button.
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Within each setup screen, short presses of the Adjust
button will modify the values shown. To exit the setup
mode and return to a main screen, press and hold the
Return button.
If you accidentally find yourself in a setup screen but don’t
wish to modify the values, simply press and hold the Return
button to exit the setup mode and return to a main screen.
Important Tips
1. To activate the Heart Rate function (to display heart
rate), press and hold the Mode button in any main screen
except Daily Alarm.
2. To exit any setup screen and return to a main screen,
press and hold the Return button.
3. To advance from one main screen to the next, press the
Mode button.
4. For heart rate readings to register properly, it is critical
that there be sufficient moisture (water, saliva, or Axiom
Heartbeat Signal Enhancer) between the electrodes on the
transmitter (chest strap) and your skin. Insufficient moisture may cause no reading, a frozen reading, or an erratic
reading.
5. Using a wireless heart rate monitor near computers,
motorized gym equipment, electric motors, high voltage
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power lines, automobiles, televisions, or fluorescent lights
may cause erratic readings.
6. Your Axiom heart rate monitor is water resistant, and
can be used while swimming. However, do not press any of
the buttons while the receiver (watch) is submersed.
Positioning the Chest Strap/Transmitter
1. Adjust the elastic strap length to achieve a snug, comfortable fit on your chest as shown in figure 2.
2. The transmitter should face outward as shown, with the
strap fitting comfortably on the bare chest just below the
breast.
Figure 2 Correct Transmitter
location on chest, detail of
moistening electrodes.
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3. Center the transmitter on the chest (with the Axiom logo
right-side up).
4. Moisten the rubber electrodes on the inside of the transmitter strap with water, saliva or use Axiom® Heartbeat
Signal Enhancer.
5. Attach the receiver to your wrist or mount it to your
bicycle (see instructions below for mounting the receiver to
your bike).
6. When placed on the body, the transmitter is automatically activated (and deactivated when removed). To
conserve transmitter battery power, the transmitter should
be removed when not in use.
If you have difficulty obtaining a regular heart rate reading, try readjusting the chest strap. The rubber electrodes
must be flat against the skin, and the band must be in the
correct position–not too low. Make sure there is sufficient
moisture between the electrodes and your skin. Check that
the strap is clean, with no accumulated sweat or dirt.
Mounting the Receiver on Your Bike
Your HR150 comes with a Handlebar Adapter for your bike.
Slide the split foam ring over your handlebar in a convenient location and wrap the Velcro® Strap snugly around
the foam ring. Your HR150 receiver may now be installed
over the foam ring as it would be attached to your wrist.
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Setting Up Your HR150 for Use
Setting the Time of Day and Date
See Figure A2 in Appendix.
Note: At any point in the setup mode, you may return to
the previous setup screen with a short press of the Return
button. To exit the setup mode and return to a main screen,
press and hold the Return button.
1. Advance to the Time of Day screen by using the
Mode button.
2. Choose 12 or 24 hour mode: Press and hold the Adjust
button to toggle between 12 and 24 hour mode. When in
the 12 hour mode, “PM” will appear on the screen for all
times between noon and midnight.
3. From the Time of Day main screen, press the select button to enter the Time setup screen. The seconds will flash.
Press the Adjust button to zero the seconds.
4. Press the Select button again to select hours. The hours
will flash. Short presses of the Adjust button will advance
the hours. A long press of the Adjust button will cause the
hours to advance rapidly.
5. Press the Select button again to select minutes. The
minutes will flash. Short presses of the Adjust button will
advance the minutes. A long press of the Adjust button will
cause the minutes to advance rapidly.
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6. Press the Select button again to select month. The
month will flash. Short presses of the Adjust button will
advance the month. A long press of the Adjust button will
cause the months to advance rapidly.
7. Press the Select button again to select day. The day will
flash. Short presses of the Adjust button will advance the
day. A long press of the Adjust button will cause the days
to advance rapidly.
8. A further press of the Select button will advance to the
Daily Alarm setup screen. Or to exit the setup mode, press
and hold the Return button.
Setting the Daily Alarm
See Figure A3 in Appendix.
1. In the Daily Alarm screen, press the Select button. The
hours will flash. Short presses of the Adjust button will
advance the hours. A long press of the Adjust button will
cause the hours to advance rapidly.
2. Press the Select button again to select minutes. The
minutes will flash. Short presses of the Adjust button will
advance the minutes. A long press of the Adjust button will
cause the minutes to advance rapidly.
3. A further press of the Select button will advance to the
Target Zone setup screen. Or to exit the setup mode, press
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and hold the Return button.
Note: To activate the Daily Alarm, see “Alarms” on page 12.
Setting Your Heart Rate Target Zone
See Figure A4 in Appendix.
1. From the Time in Zone main screen, press the Select button. The target zone upper limit value will flash. Short
presses of the Adjust button will increase the upper limit
value in single beat increments (from 80 to 240bpm). A
long press of the Adjust button will cause the upper limit
value to increase rapidly.
2. Press the Select button again to select the lower limit
value. The lower limit value will flash. Short presses of the
Adjust button will decrease the lower limit value in single
beat increments (from the upper value minus 5 bpm to
30bpm). A long press of the Adjust button will cause the
lower limit value to decrease rapidly.
Note: The HR150 automatically compensates to preserve a 5
beat difference between the upper and lower limit values.
3. A further press of the Select button will exit the setup
mode, and return to the Time of Day main screen. The
setup procedure is complete.
To activate the Out of Zone Audible Alarm from any main
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screen except the Daily Alarm, press and hold the Select
button. An alarm icon will appear above the heart icon. A
further long press of the Select button will deactivate the
alarm. (Note: The heart rate function must be activated)
Using Your HR150
Displaying Your Heart Rate
To activate the heart rate function, press and hold the
Mode button in any main screen except Daily Alarm. The
heart icon and a zero heart rate value will appear in the
upper row of the display. After a few seconds (provided you
are wearing the chest transmitter strap) the heart icon will
begin to flash, and the heart rate value will indicate your
current heart rate.
An up arrow to the left of the heart icon indicates you are
exercising above your preset target zone upper limit.
A down arrow indicates you are exercising below your preset target zone limit.
An arrow pointing in both directions indicates you are exercising within the upper and lower limits of your preset target zone. (To change the target zone upper and lower limits, see “Setting Your Heart Rate Target Zone.”)
To deactivate the heart rate function, press and hold the
Mode button in any main screen except Daily Alarm.
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The HR150 also offers an Auto-off feature. The heart rate
function will automatically turn off after a period of two
minutes with no heart rate signal received.
Note: As long as the transmitter is worn, it will continue to
send a signal to the receiver, even if the heart rate function
has been turned off. To conserve transmitter battery power,
the transmitter should be removed when not in use.
Time of Day and Date/Heart Rate
Press the Mode button to advance to the Time of Day
main screen.
The time is displayed in the lower row of the display (see
Figure 3).
Provided that the heart
rate function has not
been activated, the date
is displayed in the upper
row of the display.Once
the heart rate function is
activated, the heart icon
and a heart rate value
will replace the date
information in the upper
row of the display.
Date information is not accessible while the heart rate
function is activated.
Figure 3. Time
of Day and Date
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Alarms
Daily Alarm
To activate the Daily Alarm, advance to the Daily Alarm
main screen using the Mode button. “AL” and the alarm
time will appear in the lower row of the display. Press and
hold the Adjust button to activate the alarm. The alarm
bell icon will appear to indicate the alarm is activated. A
further long press of the Adjust button will deactivate the
alarm (see Figure 4).
Alarm Bell icon
appears next to
the alarm time
Figure 4. Daily
Alarm activated.
The alarm sounds for one minute. To silence the alarm,
press any button. A button pressed to silence the alarm will
not perform its normal function.
Out of Zone Alarm
To activate the audible Out of Zone Alarm, first activate the
heart rate function (if it is not already activated) with a
long press of the Mode button in any main screen except
Daily Alarm. Then press and hold the Select button to
RETURN
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activate the Out of Zone alarm. An alarm icon will appear
above the heart icon to indicate the alarm is activated. A
further long press of the Select button will deactivate the
alarm (see Figure 5).
Alarm icon
appears above
the Heart icon
Figure 5. Out of
Zone Audible Alarm
activated.
RETURN
When activated, the audible Out of Zone Alarm will sound
in rhythm with your heart beat when your heart rate rises
above your target zone upper limit, or falls below your target zone lower limit.
Operating the Stopwatch
To operate the stopwatch, advance to the Stopwatch main
screen using the Mode button. “STW” and stopwatch time
will appear in the lower row of the display (see Figure 6).
Start the stopwatch with a short press of the Adjust button. A second press of the Adjust button will stop the stopwatch.
Reset: To reset the stopwatch, press and hold the Adjust
button. During reset, the stopwatch will initially begin to
run, but will reset to zero after 2 seconds.
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00000
0
STW
::
M M
STOPWATCH
From
DAILY ALARM
Main Screen
To HR/TIME
IN ZONE
Main Screen
RETURN
Figure 6. Stopwatch Main Screen.
The stopwatch can be operated only from the Stopwatch
main screen. While the stopwatch is running, “STW” will
flash in all main screens except the Stopwatch main screen.
Time in Zone
The Time in Zone screen records the amount of time spent
exercising within the preset target zone. Timing begins
automatically during a workout when the heart rate falls
between the chosen preset target zone upper and lower
limit values.
Note: Time in Zone data accumulates only while the
stopwatch is running. If the stopwatch is not started at the
beginning of the workout, no data will be recorded in the
Time in Zone screen.
You can view accumulated time in zone at any point during
or after your workout by advancing to the Time in Zone
main screen using the Mode button. “TIZ” and time in target zone will appear in the lower row of the display (see
Figure 7).
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TIME IN ZONE
From
STOPWATCH
Main Screen
Figure 7. Time in Zone Main Screen.
M M
TiZ
:
RETURN
000
00
To TIME OF
DAY/DATE
Main Screen
Reset: Stopwatch time and Time in Zone are reset independently. To reset Time in Zone, advance to the Time in Zone
main screen using the Mode button. Press and hold the
Adjust button. To reset Stopwatch time, see “Operating the
Stopwatch.”
Replacing Batteries
Transmitter Battery
(Battery Type: 3V Lithium 2032)
To remove the battery compartment lid, insert a coin into
the slot on the lid, and turn counterclockwise (see Figure
8). Before removing the battery, note its orientation. The
positive pole should face the compartment lid, and the
negative pole should contact the metal prongs inside the
battery compartment. Orient the replacement battery in the
same manner. To ensure continued water resistance, make
sure the rubber O-ring is still in place around the edge of
the lid before reinstalling.
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Figure 8. When changing
the Transmitter Battery,
remember to replace the
O-ring correctly.
O-ring
Watch Receiver Battery
(Battery type: 3V Lithium 2025)
To prevent damage to the receiver’s water-tight seal, we
recommend taking your receiver to a jeweler or watch
repair shop for battery replacement.
Troubleshooting
What if the heart rate reading is erratic or
totally absent?
1. Make sure the chest strap is sufficiently tight. The strap
should be positioned and tightened so that the electrodes
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are flat against your skin. Adjust the strap side to side or
slightly up or down until the strap is positioned properly,
and the electrodes make solid contact with your skin.
2. Make sure the electrode strips are sufficiently moist.
Moisture enables the electrodes to make proper electrical
contact. Moisten the electrode strips with water, saliva, or
Axiom Heartbeat Signal Enhancer.
If you are wearing the transmitter strap over a shirt, make
sure the shirt is moistened to provide adequate electrical
contact for the electrodes.
Accumulated sweat or dirt on the electrode strips may
impair electrical contact. Be sure the electrode strips are
clean.
3. Make sure you have activated the heart rate function
with a long press (press and hold) of the Mode button in
any of the main screens except Daily Alarm.
4. Make sure the transmitter battery is installed properly
and fully charged.
What if the heart rate reading becomes extremely high
(above 200)?
Electromagnetic signals from outside sources may cause
abnormally high heart rate readings. Common sources of
electromagnetic signals include high voltage power lines,
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motor driven equipment, and other heart rate monitor
users. Check your surroundings for possible sources of
electromagnetic signals, and move away from the source.
Axiom HR150 Specifications
Watch/Receiver
Stopwatch resolution: 0.1 sec
Maximum stopwatch time: 9 hr 59 min 59.9 sec
Heart rate range: 30 to 240 beats per minute (bpm)
Target zone upper limit value: 80 to 240 bpm in increments
of 1 bpm
Target zone lower limit value: 30 to upper limit minus 5
bpm in increments of 1 bpm
Heart rate accuracy: ±1 bpm
Maximum time in zone: 9hr 59min 59sec
Battery: 3 volt Lithium 2025 cell
Battery life: approximately 1 year with 60 min/day heart
rate monitoring
Transmitter
Emitted frequency: 5 kHz ±10%
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Battery: 3 volt Lithium 2032 cell
Battery life: 2 years when used 60 min/day
Range: 95 cm (37 inches) maximum to watch/receiver
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Daily Alarm
2
Date/HR
Time of Day
1
HR
Stopwatch
3
HR
Time in Zone
4
Set Seconds
Set Hours Set TZ
Hi
1A
2A
4A
M
M
S R
LR
LR
LR
12/24
Time
S R
S R
S R
S R
S R
MM
LA
MAIN SCREENS
Figure A1 HR150
Function Overview.
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Set Hours
Set Minutes
Set Month
Set Day
Set Minutes
Set TZ
Lo
1B
1C
1D
1E
2B
4B
S R
LR
LR
LR
LR
LR
LR
S
S
S R
S R
S R
S R
S R
S
Notes:
In screen 1 LA toggles 12/24 hour time format
In screens 1, 3, or 4 LM toggles Heart Rate Function
ON/OFF (Auto OFF also)
In screens 1, 3, or 4 LS toggles the Out of Zone audible
alarm ON/OFF provided Heart Rate Function is activated
In screen 2 LA toggles Daily Alarm ON/OFF
In screen 3 A STARTs/STOPs Stopwatch, LA resets Stopwatch
(TIZ accumulates only when the Stopwatch is running)
In screen 4 LA resets Time in Zone provided stopwatch
is not running
Keys:
A (Adjust)
R (Return)
M (Mode)
S (Select)
LA (Press and
hold Adjust)
LR (Press and
hold Return)
LM (Press and
hold Mode)
LS (Press and
hold Select)
SETUP SCREENS
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Figure A2 Time of Day/ Date
Main Screen and Setup screens.
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M M
SR
SR
S
LR
LR
88419
AL
PM
: :
88419
AL
PM
: :
88619
AL
PM
: :
DAILY ALARM
Set
Hours
To
Target Zone
Set-up
To
STOPWATCH
Main Screen
From TIME
OF DAY/
DATE
Main Screen
From
Time
of Day/
Date
Set Up
Set
Minutes
RETURN
RETURN
RETURN
Figure A3 Daily Alarm Main
Screen and Setup screens.
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88000
00
TiZ
: :
88892
140
TiZ
88120
140
TiZ
M M
SR
SR
S
S
LR
LR
TIME IN ZONE
To TIME/DATE
Main Screen
From
STOPWATCH
Main
Screen
From
Daily Alarm
Set Up
Set
Target
Zone
Upper
Limit
Set
Target
Zone
Lower
Limit
RETURN
RETURNRETURN
Figure A4 Time in Zone Main
Screen and Setup screens.
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Notes
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For Technical Assistance Please Call:
Tech Support Line 1-800-553-8324
9am–6pm EST, M-F
Performance Inc.
One Performance Way
Chapel Hill, NC 27514
1-800-727-2453
PerformanceBike.com
Made in Taiwan
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