CSX C536X User manual

Page | 1
________INSTRUCTION MANUAL_______
C536X Heart Rate Monitor
To view the setup Video visit: www.csxpro.com/hrm
To download the “Heart Rate Training” eBook visit: www.csxpro.com/hrm-training

Page | 2
Contents
INTRODUCTION...............................................................................................................4
SAFETY –PLEASE READ BEFORE EXERCISING .................................................................5
KNOW YOUR C536X HEART RATE MONITOR .................................................................6
SETUP..............................................................................................................................8
BASIC, NORMAL, OR PRO USER LEVELS..........................................................................8
QUICK TIPS FOR SETUP AND ENTERING DATA .............................................................10
EXAMPLE SETUP IN PRO USER LEVEL ...........................................................................11
SETTING THE USER LEVEL .............................................................................................11
SETTING THE LANGUAGE..............................................................................................11
SETTING THE CLOCK FORMAT, TIME & DATE...............................................................12
SETTING DATE OF BIRTH, GENDER & MHR ..................................................................13
SETTING WEIGHT, LED INDICATOR & BUTTON SOUNDS .............................................14
HEART RATE MONITOR FUNCTIONS.............................................................................16
TIME MODE...................................................................................................................17
SET THE TIME ................................................................................................................17
HEART RATE MODE.......................................................................................................18
STOPWATCH .................................................................................................................19
TIME WITHIN / ABOVE / BELOW TRAINING ZONE .......................................................20
MEMORY.......................................................................................................................21
TRAINING ZONES ..........................................................................................................22
SETTING THE ALARM TYPE, THE MAXIMUM HEART RATE AND THE TRAINING ZONES
......................................................................................................................................24
TRAINING ZONE ALARM ...............................................................................................25
ALARM WHEN EXCEEDING THE MAXIMUM HEART RATE............................................26
LED INDICATOR.............................................................................................................26
FITNESS LEVEL...............................................................................................................27
CALORIES ......................................................................................................................27
FAT ................................................................................................................................28
STOPWATCH MODE......................................................................................................28

Page | 3
COUNTDOWN MODE....................................................................................................29
ALARM MODE...............................................................................................................30
DISPLAY LIGHT ..............................................................................................................30
EXAMPLE USEAGE.........................................................................................................31
FAQ ...............................................................................................................................36
CARE AND MAINTENANCE............................................................................................39
BATTERY REPLACEMENT...............................................................................................42
TECHNICAL DATA ..........................................................................................................43
CONTACT CSX................................................................................................................44

Page | 4
INTRODUCTION
Track Your Activity Accurately
The CSX C536X heart rate monitor wristwatch is an indispensable training tool.
Knowing exactly how fast your heart is beating ensures that you are training at
precisely the right level of intensity to maximize your training results. Exercising too
hard, or not hard enough can reduce the effectiveness of your workouts.
Technology for Optimum Training
Achieve your goals; if you want to improve your baseline aerobic fitness, you need to
work at your aerobic threshold whereas if you want to increase your high end
aerobic fitness, you need to work at your anaerobic threshold. Both of these
thresholds are individual and are best identified by your exercising heart rate.
The C536X will automatically calculate your training zones and maximum heart rate
based on your date of birth. Simply select the training zone you require and the
C536X will inform you while you are training with an alarm and LED indicator to make
sure you are training in the correct zone and at the optimum heart rate level.
If you need to fine-tune your training zone, you can customize the training zone and
the maximum heart rate to suit your own personal fitness level.
Monitor & Reach Your Goals
Track your calories and fat burnt, time within / above / below training zone, highest /
lowest and average heart rate, % of maximum heart rate, check your fitness level
after a 5 minute recovery phase. All designed to help you monitor your training,
improve your fitness and reach your own personal goals.
What’s in the Box
CSX C536X Heart Rate Monitor Wristwatch with 1 x Battery CR-2032
Chest Strap with 1 x Battery CR-2032
Instruction Manual

Page | 5
SAFETY –PLEASE READ BEFORE EXERCISING
IMPORTANT - Before starting any form of exercise program, consult your doctor or
therapist. If at any time during your exercise you experience discomfort or pain, stop
the exercise immediately and consult your doctor.
Always Warm up - Cool down and stretch before and after exercising. This will help
prevent straining muscles.
The heart rate monitor is designed for private purposes and is not suitable for
commercial purposes. It is not a medical device; it is a training aid for monitoring and
displaying your heart rate. Wearers of pacemakers should only use devices for
monitoring their heart rate after consulting their doctor.
Read through the instructions carefully and only use the heart rate monitor as
described in these instructions so that no accidental injuries or damage occur. Keep
these instructions in a safe place in order to refer to them later. If you pass this
product on, please also include the instructions.
Keep the unit out of the reach of young children. The unit contains small
pieces that may be swallowed. Immediately contact your physician if any
piece is swallowed.
Read all information in the instruction manual and any other literature
included before using the unit.
Operate the unit only as intended. Do not use for any other purpose.
Dispose of the device, battery, and components according to applicable local
regulations. Unlawful disposal may cause environmental pollution.
Do not throw the battery into fire. The battery may explode.
NOTE: This chest strap can contain latex components. In rare cases, allergic
reactions can occur to this substance, in the form of - possibly relatively
intensive - skin irritations and redness. Therefore, if you should even only
notice slight redness, please discontinue using the chest strap immediately.
In this case we recommend that you see a dermatologist.

Page | 6
KNOW YOUR C536X HEART RATE MONITOR
The training watch (A) records and displays your heart
rate and other data during training.
The chest belt (B) transmits the heart rate signal to the
training watch.
The latest version of this instruction manual in large
print can be downloaded from: www.csxpro.com/hrm
A
B
RECOMMENDED: Watch the setup video at: www.csxpro.com/hrm

Page | 7
HEART RATE TRANSMITTER CHEST STRAP
1. Adjust the strap length to fit tightly
but comfortably, it should be tight
enough to stay in place during your
exercise
2. Push one tab of the strap through the
slot in the chest strap. Press the tab
down
3. Wet both sensors on the back of the chest strap using water (or use ECG gel)
to create a strong connection between your pulse and the transmitter. Make
sure you do not wet the battery compartment
4. Wear the chest strap directly on your skin. Wrap
the strap around your chest, and attach it to the
other side of the chest strap
5. Check that the wet electrode areas are firmly
against your skin and that the CSX logo of the
chest strap is in a central and upright position
a.
b.
c.
wet sensors
Battery compartment

Page | 8
SETUP
When using the heart rate monitor for the first time, please remove the protective
film from the display and press any button, until all digits are briefly displayed, after
this "BASIS" will flash in the display.
BASIC, NORMAL, OR PRO USER LEVELS
The heart rate monitor has Basic, Normal or Pro user levels available, the user levels
change the number of functions available:
BASIC - only the heart rate mode is available along with the display of the stop
watch
NORMAL - only the time mode and heart rate mode is available. While in the
heart rate mode you can also display time, stopwatch and training zone
PRO - all modes and displays are available (recommended to get the most
from your training)
SELECTION OF BASIC, NORMAL OR PRO USER LEVELS
If you are setting up the heart rate monitor for the first time "BASIS" will flash in the
display.
Press the SEL button to select between Basic, Normal or Pro user levels.
Press SET button to confirm
NOTE: If you wish to change any of the settings later such as language, date
of birth or change the above User Level option, press and hold the LIGHT
button. This will then flash the current user level which you can change
using the SEL button.

Page | 9
USER LEVEL SETUP
Below we outline the User Levels and the user data required. We then
demonstrate a step by step setup in the PRO User Level.
BASIC - No settings are required by the user. The heart rate monitor uses default
values.
NORMAL - The following user settings need to be entered in the following order:
12/24 hour display (12/24)
Set the time and date
Date of birth (year, month, day)
Gender (male / female)
Maximum heart rate (value from 80 to 240)
In NORMAL user level, the following applies:
a) SEL button - set / select value
b) SET button - confirm value
PRO - The following user settings need to be entered in the following order:
12/24 hour display (12/24)
Set the time and date
Date of birth (year, month, day)
(If you were born prior to 1950, simply increase the year beyond 2010 and the
counter will start again at 1900.)
Gender (male / female)
Maximum heart rate (value from 80 to 240)
Unit (kilogram / pound)
Weight (value from 20 to 199kg / 40 to 439 pounds)
LED indicator (on / off)
Button sounds (on / off)
In PRO user level, the following applies:
a) SEL button - set / select value
b) SET button - confirm value

Page | 10
QUICK TIPS FOR SETUP AND ENTERING DATA
1) To enter “SETUP” press and hold the LIGHT button for at least 4 seconds
2) The display will start to Flash displaying the current User Level
In general
-Press the SET button to move through the settings pages
-Press the SEL button to change the values
-Holding down the SEL button increases the numbers rapidly
To exit setup mode
Press the MODE button, the heart rate monitor will exit setup mode and store the
information you entered.

Page | 11
EXAMPLE SETUP IN PRO USER LEVEL
If you are setting up the heart rate monitor for the first time "BASIS" will flash in the
display.
If you have previously setup the heart rate monitor and wish to change the User
Level:
Press and hold the LIGHT button for at least 4 seconds to enter Setup
SETTING THE USER LEVEL
Setting range: BASIS / NORMAL / PROFI
Default: BASIC
1. Press the SEL button repeatedly until "PROFI" is displayed
2. Press SET button to confirm
SETTING THE LANGUAGE
Setting range: ENG / DEU (English / German)
Default: DEU
3. Press SEL button repeatedly to choose the desired
language
4. Press SET button to confirm

Page | 12
SETTING THE CLOCK FORMAT, TIME & DATE
Setting range: 12hr or 24hr (military)
Default: 24hr (military)
5. 24-H will flash
6. Press SEL button repeatedly to choose 12 or 24 hours
clock display format
7. Press SET button to enter Clock setting
Setting range: 12:00AM –11:59PM or 12:00AM –23:59PM
8. Press SEL button to set the desired hour
Press and hold the SEL button to increase the numbers
rapidly
9. Press SET button to enter Minutes setting
10.Press SEL button to set the desired Minutes
Press and hold the SEL button to increase the numbers
rapidly
11.Press SET button to enter Seconds setting
12.Press SEL button to zero the seconds
13.Press SET button to enter Year setting
Setting range years: 2000 - 2099
14.Press SEL button to set the desired Year
15.Press SET button to enter Month setting
Setting range months: 1 - 12
16.Press SEL button to set the desired Month
17.Press SET button to enter Date setting

Page | 13
Setting range date: 1 –31
18.Press SEL button to set the desired Date
19.Press SET button to enter Year of Birth setting
SETTING DATE OF BIRTH, GENDER & MHR
Setting range year of birth: 1900 –2010
Default: 1950
20.Press SEL button to set the desired year of birth
Press and hold the SEL button to increase the numbers
rapidly
(If you were born prior to 1950, simply increase the year beyond 2010 and the
counter will start again at 1900.)
21.Press SET button to enter Month of Birth Setting
Setting range birth month: 1 - 12
22.Press SEL button to set the desired Month
23.Press SET button to enter Date setting
Setting range birth date: 1 –31
24.Press SEL button to set the desired Date
25.Press SET button to enter Gender setting
Setting range gender: Male or Female
Default: Male
26.Press SEL button repeatedly to
choose Male or Female
27.Press SET button to enter
Maximum Heart Rate setting

Page | 14
Setting range Maximum Heart Rate: 80 to 240bpm
The Heart Rate Monitor will automatically calculate your
recommended maximum heart rate using the Karvonen method:
220 –age in years = maximum heart rate
eg. For someone who is 34 years old:
220-34 = 186 bpm MHR
If you wish, you can change the suggested MHR:
28.Press SEL button to set the desired MHR
Press and hold the SEL button to increase the numbers rapidly
(If you wish to use the suggested MHR do not press the SEL button and
continue below)
29.Press SET button to enter weight units setting
SETTING WEIGHT, LED INDICATOR & BUTTON
SOUNDS
Setting range Weight Units: Kilogram or Pound
Default: KG
Choose the units how you would prefer to enter your weight:
30.Press SEL button repeatedly to choose KG or LB
31.Press SET button to enter weight setting
Setting range Weight: from 20 to 199kg / 40 to 439 pounds
Default: 50kg / 110 pounds
32.Press SEL button to set your current weight
Press and hold the SEL button to increase the numbers
rapidly
33.Press SET button to enter LED indicator setting
NOTE: The CSX Heart Rate Monitor Training e-Book also provides information
for other methods of calculating your maximum heart rate which can be
useful if you need to customise the MHR to your personal fitness level.

Page | 15
Setting range LED Indicator: On or Off
Default: On
The LED Indicator flashes green when you are training in the
zone and red when you are out of the zone, it’s useful to quickly
glance and check you are exercising in the training zone and also
for instance when you are running on an evening outside in the
dark:
34.Press SEL button repeatedly to choose On or Off
35.Press SET button to enter button sounds setting
Setting range Button Sounds: On or Off
Default: On
This turns the training watch button sounds on or off:
36.Press SEL button repeatedly to choose On or Off
37.Press SET button to enter button sounds setting
HOW TO EDIT ANY OF THE SETTINGS
If you wish to change any of the settings later such as language, date of birth or
change the user level options press and hold the LIGHT button. The current user
level will flash which you can change using the SEL button, press SET to continue
through the various settings and change as required.

Page | 16
HEART RATE MONITOR FUNCTIONS
In PRO user level, there are five main function modes available as well as eight sub
function modes in the Heart rate mode.
The main five function modes are:
1. Time mode
2. Heart rate mode
3. Stopwatch mode
4. Countdown mode
5. Alarm mode
The eight sub function modes available in “2. Heart rate mode”:
i. Time
ii. Stopwatch (training timer)
iii. Time within/above/below training zone
iv. Memory
v. Training zones
vi. Fitness level
vii. Calories
viii. Fat
NOTE: All of the modes and functions described here are only available in PRO user
level as described in the setup instructions above: BASIC, NORMAL, OR PRO USER
LEVELS

Page | 17
TIME MODE
Press the MODE button repeatedly until you are in the time
mode (displayed by TIME).
In time mode, the day of the week and date are shown in the
top display segment, the hours and minutes in the middle
section and the seconds in the bottom section.
Press the SEL button to change the display at the top segment
from "day of the week and date" to "month and year". After 5
seconds - or when you press the SEL button - the display
returns to the "day of week and date" view again.
SET THE TIME
Keep the SET button pressed for approx. 3 seconds. Use the SEL button to
select between 12-hour and 24-hour (military) display.
Confirm your selection with the SEL button, the hours will flash.
Set the hours with the SEL button and confirm with the SET button, the
minutes will flash
Set the minutes with the SEL button and confirm with the SET button, the
seconds will flash
Press the SEL button to set the seconds to zero. Confirm with the SET button,
the year will flash
Set the year with the SEL button and confirm with the SET button. Set the
month and date in the same way. Now press the MODE button, all settings are
saved.
NOTE: By pressing and holding the SEL button, you can fast-forward through the
values.
NOTE: In order to correct any incorrect entries, start the relevant setting process
over again.

Page | 18
HEART RATE MODE
With the Chest Belt attached, press the MODE button
repeatedly until you are in the heart rate mode displayed by
"PULSE".
The display will show “- -“while the heart rate monitor tries
to “pair” with the Chest Belt.
While the chest strap is being worn, the current heart rate in the middle display
segment is shown. Otherwise, "- -" is shown. The heart symbol flashes if the heart
rate is being received by the chest strap. If no signal is being received anymore, the
heart symbol stops flashing and the last heart rate remains in the display.
In heart rate mode, the time is shown in the top display
segment, the current heart rate in the middle segment and
the % of maximum heart rate in the bottom segment.
The maximum heart rate is calculated automatically by
entering your personal details, such as date of birth and
weight. If these details have not been entered, the watch
reverts to the default values.
The maximum heart rate can also be entered manually in NORMAL and PRO User
Levels, see section "BASIC, NORMAL or PRO User Levels" / section "TRAINING
ZONES".
Press the SEL button in order to switch between the following sub-functions for the
display in the top segment (in this order):
Time
Stopwatch (training timer)
Time within/above/below training zone
(switch displays by pressing the SET button)
Memory
Training zones
Fitness level
Calories
Fat
CAUTION: If the watch should not receive any heart rate in BASIC user level within
the first two minutes, the black bars "- -" will stop flashing. In this case, please check

Page | 19
the placement of your chest strap and moisten the contact surfaces. Then, please
press the MODE button, in order to restart the search for the chest strap signal.
STOPWATCH
The stopwatch in the heart rate mode has the function of a
training timer.
In the heart rate mode, press the SEL button until the
stopwatch "STW" is displayed in the top segment:
When you start training, you can keep track of the training
time, in order to effectively know how you were active.
Press SET button - start timer
Press SET button - stop timer
Press and hold SET button to reset the training time to zero
The training time shows the total time, from the moment
when you activate the timer until the point at which you
stop the timer. Even if you switch from heart rate mode to
one of the other modes, the timer continues to run in the
background.
NOTE: All of the heart rate mode sub-functions described below only work with
the chest strap attached.
NOTE: Training data, such as highest, lowest and average heart rate, as well as
the training time within, above and below the set training zone can only be
saved if you have activated the timer (stopwatch) in heart rate mode. We
recommend that you always start and stop the timer at the beginning and end
of every training session.
The values for calories and fat are calculated automatically, as soon as the chest
strap is attached and a heart rate is received

Page | 20
TIME WITHIN / ABOVE / BELOW TRAINING ZONE
In heart rate mode, press the SEL button until the time within
/ above / below the training zone "IN" is displayed in the
upper segment.
If you briefly press the SET button, you can select between
the following views:
the time during which you were within the selected training zone "IN"
the time during which you were above the selected training zone "BELOW"
the time during which you were below the selected training zone "ABOVE"
Time ”IN” Time “ABOVE” Time “BELOW”
In order to reset these values to zero, press and hold the SET button in the
STOPWATCH view for approx. 3 seconds. This will zero the timer and also reset these
values to zero.
The average, highest and lowest heart rate is also automatically set to zero this way.