FAIRHAVEN HEALTH ibasal Instructions Manual Download Page 5

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BBT GraphBBT Graph

Phase

Phase

During

menstruation

LOW

LOW

Menstruation

Menstruation

Ovulation

Ovarian

development

Before-after

ovulation

Before-after

ovulation

HIGH

Progesterone

dominance

Before

menstruation

Before 

menstruation

cycle

day

cycle 

day

10. Phases throughout your cycle

Phases

The phases will appear beginning with your second 
cycle. When a possible pregnancy is detected 
(heart symbol), the ibasal will not show a phase 
number. If the ibasal cannot detect the low and high 
phase, number 3 will remain on the display.

The battery lasts for approximately 9 months. When the battery is low,        symbol will appear.

/Memo

Slide the battery cover
to remove.

Press the Del button to
stop the procedure.

Select     (yes) with the arrow buttons. 
Press Set to confirm.

11. Low battery

Grph/Ck

Mode

Set/D     T

START

Del

/Memo

Grph/Ck

Mode

Set/D     T

START

Del

Press and hold the Set button, and then press 
the Reset button with a pointed object.

The ibasal requires a CR2032 battery. Using any other battery may cause a malfunction. 
Keep the battery out of the reach of children. If swallowed accidentally, please consult 
your doctor immediately. Do not recharge, short-circuit, disassemble, heat or throw the 
battery in fire. We are not responsible for deleted data due to a dead battery or other 
causes. We recommend that you use the data check function to take note of the data 
periodically.

 

The ibasal will function normally for 4 days after the low battery symbol appears. Only 
the clock display will show from the 5th to 8th day. After the 8th day, none of the display 
will function properly. Please change the battery within 3 days of the alert. The stored 
data does not disappear when you change the battery. The calendar function does stop 
when changing the battery - please reset the date and time after replacing the battery. 
The battery included has been used for inspection and may not last the full 9 months.

 

WARNING

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This process will delete all your saved data. Once the ibasal is reset, set the clock, date and alarm time to start using the unit.

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CAUTION

Do not disassemble or drop the device.

Avoid getting the ibasal wet. When cleaning
the unit, rinse only the temperature probe.

Keep ibasal away from humidity, direct 
sunlight and sudden changes in temperature.

Insert a new battery within 3 days after the
battery symbol appears.

Keep the device away from children.

This device is intended to measure the basal 
body temperature (BBT) only. Never use the 
ibasal for any other purpose.

Take your BBT every morning to ensure your
fertility status is accurate.

This device is intended to help you pinpoint 
your fertile window. If you suspect you are 
pregnant, please consult with your doctor.

13. Handle the ibasal with care

HIGH

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