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Button Functions in Normal Time Mode: 

DATE/TEMP

 – Toggles upper left display between temperature and day of the week 

12/24 

°

C /

°

F

 – When the upper left part of the LCD displays temperature, this button toggles the 

display between 

°

C and 

°

F.  When the upper left part of the LCD displays the day of the week, this 

button toggles the time display between 12 Hr and 24 Hr format. 

SET

 – Briefly pressing the SET button will illuminate the E.L. Backlight for about 3 seconds.  

When the upper left part of the LCD displays temperature, pressing and holding the SET button 
will adjust the temperature down 3

°

C and a hand icon will appear on the LCD by the temperature.  

This is for body  temperature adjustment.  When the upper left part of the LCD displays the day of 
the week, pressing and holding the SET button will initiate the Time Setting Mode. 
 

Notes about Temperature: 

• 

When the watch is worn on the wrist, your body temperature will affect the temperature 
reading and the accuracy will decrease. 

• 

When the ambient temperature changes rapidly, the MFJ-185 may take up to 30 minutes to 
achieve an accurate reading.  

• 

For the most accurate temperature reading, remove the watch from your wrist and place it in 
the environment to be measured.  

• 

Do not expose the temperature to direct sunlight.  Exposure to direct sunlight can cause the 
temperature to read higher than the actual temperature and not be accurate. 

 

Time Setting Mode  

Follow these steps for Setting the MFJ-185: 

• 

Be sure you are in Normal Time Display Mode and the Day of the week appears in the upper 
left corner of the LCD. 

• 

Press the SET button and hold for a few seconds until the seconds digits begin to flash. 

• 

Press the DATE/TEMP button to reset the seconds to “00”. 

• 

Press the MODE button and the hour digits will begin to flash. 

• 

Press the DATE/TEMP button to advance the hour. 

• 

Press the MODE button and the minutes digits will begin to flash. 

• 

Press the DATE/TEMP button to advance the minutes.  

• 

Press the MODE button and the year digits will begin to flash. 

• 

Press the DATE/TEMP button to advance the year. 

• 

Press the MODE button and the month digits will begin to flash. 

• 

Press the DATE/TEMP button to advance the month. 

• 

Press the MODE button and the date digits will begin to flash. 

• 

Press the DATE/TEMP button to advance the date. 

• 

To continue in the Time Setting Mode, pressing the MODE button will cycle through the 
settings.  

• 

To exit the Time Setting Mode, pressing the SET button briefly and the LCD will return to 
the Normal Time Mode. 

 
WORLD TIME MODE 

In Normal Time Mode, press the MODE button once to enter World Time Mode.  In the World 
Time Mode, the city abbreviation will be displayed in the upper left corner of the LCD.  The time 
in that city will be disp layed in the upper right corner of the LCD.  The country code & area code, 
high temperature, or low temperature will be displayed below the world map.  Please see the table 
below for city abbreviations: 

Abbr. 

City 

Abbr. 

City 

Abbr. 

City 

Abbr. 

City 

AKL 

Auckland 

CPH 

Copenhagen 

LON 

London 

SFO  

San Francisco 

AMS 

Amsterdam 

CPT 

Cape Town 

LUX 

Luxembourg 

SHA 

Shanghai 

ATH  

Athens 

DUB 

Dublin 

MEL 

Melbourne 

SIN 

Singapore 

BCN  

Barcelona 

DXB 

Dubai 

MEX 

Mexico 

STO 

Stockholm 

BER 

Berlin 

FRA  

Frankfurt 

MNL 

Manila 

SYD 

Sydney 

BJS 

Beijing 

HEL 

Helsinki 

MOW 

Moscow 

TPE 

Taipei 

BKK 

Bangkok 

HKG 

Hong Kong 

NYC 

New York City 

TYO 

Tokyo 

BOM 

Bombay 

HNL 

Honolulu 

OSL  

Oslo 

VIE 

Vienna 

BRU  

Brussels 

JER 

Jerusalem 

P A R 

Pairs 

YTO  

Toronto 

BUE 

Buenos Aires 

JKT 

Jakarta 

RIO 

Rio De Janeiro 

YVR 

Vancouver 

CAI 

Cairo 

LAX 

Los Angeles 

ROM 

Rome 

ZRH 

Zurich 

CAS 

Casablanca 

LIM 

Lima 

SCL  

Santiago 

 

 

CHI 

Chicago 

LIS 

Lisbon 

SEL 

Seoul 

 

 

 
Button Functions in World Time Mode: 

DATE/TEMP

 – When the Country Code and Area Code are displayed below the world map, this 

button will cycle through the 50 cities in alphabetical order.  When the typical high or low 
temperature is displayed below the world map, this button will cycle through the typical 
temperatures for each month of the year.  The month for which the temperatur e is displayed is 
located in the lower right corner next to the temperature. 

12/24 

°

C /

°

F

 – When the Country Code and Area Code are displayed below the world map, this 

button will let you adjust the time of the city displayed if Daylight Savings Time is observed.  DST 
will appear in the upper right corner buy the city time when enabled.  When the high or low 
temperature is displayed below the world map, this button will toggle between the typical high and 
low temperature for the month displayed.  

SET

 – Briefly pressing the SET button will illuminate the E.L. Backlight for about 3 seconds and 

toggle between the typical temperature information and County Code and Area Code information.  
Pressing and holding the SET button will allow you to adjust the time of the city displayed.  
 

World Time Setting Mode  

Please note that although you may have correctly set the time in Normal Time Mode, the time 
displayed in the World Time Mode may not be correct.  You must set the time in the World Time 
Mode to match the time in Normal Time Mode.  Follow these steps to ensure the world time and 
normal time match: 
1. 

In World Time Mode, cycle through the cities until you come to a city in your time zone. 

2. 

Be sure that the Country Code and Area Code information is displayed below the world map.  
If it is not briefly press the SET button. 

3. 

With the Country Code and Area Code information displayed below the world map, press and 
hold the SET button until the hour digits flash in the upper right corner. 

4. 

Press the DATE/TEMP button to adjust the hour to the current hour in your time zone. 

5. 

Press the MODE button and the minutes will begin to flash. 

6. 

Press the DATE/TEMP button to adjust the minutes to the current time in your time zone. 

7. 

Press the SET button briefly to exit the World Time Setting Mode. 

 

ALARM TIME MODE 

In Normal Time Mode, press the MODE button twice to enter Alarm Time Mode.  In World Time 
Mode press the MODE button once to enter the Alarm Time Mode.  In Alarm Time Mode, “AL” 
will appear in the upper left corner above the world map and the actual time will appear in the 
upper right corner above the world map.  The alarm time will appear below the world map.  To set 
the alarm time, follow these steps: 
1. 

Press and hold the SET button until the hour digits of the alarm time begin to flash. 

2. 

Press the DATE/TEMP button to adjust the hour. 

3. 

Press the MODE button and the minutes digits will begin to flash. 

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