I do not know how to get the temperature to show

replace battery

This clock keeps track of the temperatures for each of the last 12 hours. So on the bottom, you'll see the temp at 12 hours ago (-12), 6 hours ago (-6), etc. On the left side, you'll see the temperature in Farenheit go from +5.4 to -5.4 from where it is currently. So if the temperature is 70F degrees right now, and it was 65F degrees 12 hours ago, then it'll show -5 in the first -12 column. It will always be at 0 for the current hour on the right. The scale on the right is in Celcius so it does the exact same thing as Farenheit.

I've a solution, How set the Time you find on http://365d24h60m.com Very similar model - the mechanism and buttons the same :)

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ALL PARAMETERS CAN BE ADJUSTED BY USING KEYS

GIVEN BACKSIDE...KEYS ARE

MODE (LONG PRESS-4 SEC) TO ENTER INTO SETTINGS;

UP/DOWN TO CHANGE THE PARAMETERS; \

*C/*F KEY TO TOGGLE BETWEEN TO TEMPERATURE FORMAT;

SNOOZE BUTTON TO SET SNOOZE IN ALARM-MULTIPLE SNOOZE CAN BE SET;

RESET KEY CAN BE USED TO RESET CLOCK TO DEFAULT;

DAY COUNTDOWN , AND TIME COUNTDOWN CAN BE ADJUSTED;

DETAILED INFORMATION TO SET THE CLOCK

INSERT CELLS;-SCREEN SHOWS DEFAULT VALUES-INITIAL MUSIC WILL RING;
LONG PRESS MODE BUTTON-KEEP IT PRESSED UNTIL 12 STARTS BLINKING;
USE UP /DOWN BUTTON TO ADJUST HOURS...
THEN SIMPLY PRESS MODE AGAIN, NOW MINUTES 00 IS DEFAULT WILL START BLINKING;
USE UP/DOWN BUTTON TO ADJUST MINUTES;
AGAIN PRESS MODE, SCREEN WILL SHOW YEAR 2002 DEFAULT BLINKING, USE UP/DOWN KEY TO ADJUST YEAR;
AGAIN PRESS MODE, SCREEN WILL SHOW MONTH BLINKING, USE UP/DOWN KEY TO ADJUST CURRENT MONTH;
AGAIN PRESS MODE, SCREEN WILL SHOW DATE BLINKING, USE UP/DOWN KEY TO ADJUST YEAR;
AGAIN PRESS MODE, SCREEN WILL SHOW 12:00 BLINKING WITH ALARM SIGN (FOR ALARM SET);USE UP/DOWN KEYS TO SET ALARM, FIRST HOURS AND THEN MINUTES FOR ALARM; THEN ON PRESSING YOU CAN SELECT SNOOZE MINUTES;
AFTER SNOOZE ON PRESSING MODE AGAIN YOU CAN SELECT DAY COUNTDOWN TO SELECT 999 DAYS COUNTDOWN FROM CURRENT DATE;

when watch displays time and everything .....
each and every buttons has some function;(shortcuts)
press down to toggle between 12hr/24hr format;
press up to enter contdown timer;
press snooze to set snooze in alarm;
press c/f to toggle between two temperature formats;
press mode to toggle between alarm time and current time

MODE (LONG PRESS-4 SEC) TO ENTER INTO SETTINGS;

UP/DOWN TO CHANGE THE PARAMETERS; \

*C/*F KEY TO TOGGLE BETWEEN TO TEMPERATURE FORMAT;

SNOOZE BUTTON TO SET SNOOZE IN ALARM-MULTIPLE SNOOZE CAN BE SET;

RESET KEY CAN BE USED TO RESET CLOCK TO DEFAULT;

DAY COUNTDOWN , AND TIME COUNTDOWN CAN BE ADJUSTED;

DETAILED INFORMATION TO SET THE CLOCK

INSERT CELLS;-SCREEN SHOWS DEFAULT VALUES-INITIAL MUSIC WILL RING;
LONG PRESS MODE BUTTON-KEEP IT PRESSED UNTIL 12 STARTS BLINKING;
USE UP /DOWN BUTTON TO ADJUST HOURS...
THEN SIMPLY PRESS MODE AGAIN, NOW MINUTES 00 IS DEFAULT WILL START BLINKING;
USE UP/DOWN BUTTON TO ADJUST MINUTES;
AGAIN PRESS MODE, SCREEN WILL SHOW YEAR 2002 DEFAULT BLINKING, USE UP/DOWN KEY TO ADJUST YEAR;
AGAIN PRESS MODE, SCREEN WILL SHOW MONTH BLINKING, USE UP/DOWN KEY TO ADJUST CURRENT MONTH;
AGAIN PRESS MODE, SCREEN WILL SHOW DATE BLINKING, USE UP/DOWN KEY TO ADJUST YEAR;
AGAIN PRESS MODE, SCREEN WILL SHOW 12:00 BLINKING WITH ALARM SIGN (FOR ALARM SET);USE UP/DOWN KEYS TO SET ALARM, FIRST HOURS AND THEN MINUTES FOR ALARM; THEN ON PRESSING YOU CAN SELECT SNOOZE MINUTES;
AFTER SNOOZE ON PRESSING MODE AGAIN YOU CAN SELECT DAY COUNTDOWN TO SELECT 999 DAYS COUNTDOWN FROM CURRENT DATE;

when watch displays time and everything .....
each and every buttons has some function;(shortcuts)
press down to toggle between 12hr/24hr format;
press up to enter contdown timer;
press snooze to set snooze in alarm;
press c/f to toggle between two temperature formats;
press mode to toggle between alarm time and current time;

To convert from C to F and vice versa, use the formula C/5=(F-32)/9.

The watch will show body temperature until you remove it from your wrist and leave it in the open air for a few hours whilst it acclimatises and then reads the ambient temp, not your body temp.
This renders the thermo pretty useless.

The thermo function will show your body temperature while you wear the watch. For ambient air temperature, remove the watch and let it settle to ambient temp for about 15 minutes. Then it will read correct air temperature.