Citizen CT915 Instruction Manual download pdf (Page 11)

- Eng 20 - - Eng 21 -

English

HOW TO MEASURE BASAL BODY TEMPERATURE CORRECTLY

● Measure temperature at a regular time every

morning

Measure your basal body temperature at a regular

time every morning. Measure immediately after

waking up and before getting out of bed.

● Measure correctly under tongue

Place the sensor at the base of your tongue and

close your month.

● Difference of temperature by measuring points

There is a slight temperature difference in areas

under your tongue. To obtain the accurate basal

body temperature, always measure it in the same

spot at the base of your tongue.

High

Medium

Low

EXPLANATION OF OTHER FUNCTIONS

■ How to make personal mark “ ”

You can make a personal mark for your menstrual period for convenience.

1.Press and hold the POWER/MEASURE button for 1 second

to turn on the power. (The record display screen appears.)

2.Move the graph forward or backward with the right (s) or

left (t) shift button to select a date on which you want to

make a personal mark.

3.Press both right (s) and left (t) shift buttons simulta-

neously and the personal mark “

” blinks. If both buttons

are pressed and held, the display contrast adjustment screen

appears (See page 22.) In this case, press the POWER/

MEASURE button to return to the record display screen,

then press both buttons.

4.Press the SET button, and “ ” lights up and is set.

5.To delete the set personal mark, display the data on which “ ” is placed and press both

right (s) and left (t) shift buttons simultaneously. Check that “ ” is blinking, then

press the POWER/MEASURE button.

6.Press and hold the POWER/MEASURE button for 1 second to turn off the power.

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Citizen CT915 Instruction Manual Page 11