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12 MONTH LIMITED WARRANTY 

 

MFJ Enterprises, Inc. warrants to the original owner of this product, if manufactured by MFJ 
Enterprises, Inc. and purchased from an authorized dealer or directly from MFJ Enterprises, 
Inc. to be free from defects in material and workmanship for a period of 12 months from date 
of purchase provided the following terms of this warranty are satisfied. 

 

1. 

The purchaser must retain the dated proof-of-purchase (bill of sale, canceled check, credit 
card or money order receipt, etc.) describing the product to establish the validity of the 
warranty claim and submit the original or machine reproduction of such proof-of-purchase to 
MFJ Enterprises, Inc. at the time of warranty service.  MFJ Enterprises, Inc. shall have the 
discretion to deny wa rranty without dated proof-of-purchase.  Any evidence of alteration, 
erasure, or forgery shall be cause to void any and all warranty terms immediately. 

 
2. 

MFJ Enterprises, Inc. agrees to repair or replace at MFJ’s option without charge to the 
original owner any defective product under warranty, provided the product is returned postage 
prepaid to MFJ Enterprises, Inc. with a personal check, cashiers check, or money order for 
$7.00 covering postage and handling.  

 
3. 

MFJ Enterprises, Inc. will supply replacement parts free of charge for any MFJ product under 
warranty upon request.  A dated proof-of-purchase and a $5.00 personal check, cashiers 
check, or money order must be provided to cover postage and handling.  

 
4. 

This warranty is 

N O T

 void for owners who attempt to repair defective units.  Technical 

consultation is available by calling (662) 323-5869. 

 
5. 

This warranty does not apply to kits sold by or manufactured by MFJ Enterprises, Inc. 

 
6. 

Wired and tested PC board products are covered by this warranty provided 

only the wired 

and tested PC board product is returned

.  Wired and tested PC boards installed in the 

owner’s cabinet or connected to switches, jacks, or cables, etc. sent to MFJ Enterprises, Inc. 
will be returned at the owner’s expense unrepaired.  

 
7. 

Under no circum stances is MFJ Enterprises, Inc. liable for consequential damages to person or 
property by the use of any MFJ products.  

 
8. 

Out-of-warranty Service: MFJ Enterprises, Inc. will repair any out -of-warranty product 
provided the unit is shipped prepaid.  All repaired units will be shipped COD to the owner.  
Repair charges will be added to the COD fee unless other arrangements are made. 

 
9. 

This warranty is given in lieu of any other warranty expressed or implied.  

 
10.  MFJ Enterprises, Inc. reserves the right to make changes or improvements in design or 

manufacture without incurring any obligation to install such changes upon any of the 
products previously manufactured.  

 
11.  All MFJ products to be serviced in -warranty or out -of-warranty should be addressed to MFJ 

Enterprises, Inc., 300 Industrial Park Road, Starkville, Mississippi 39759, USA and must be 
accompanied by a letter describing the problem in detail along with a copy of your dated 
proof-of-purchase. 

 

12.  This warranty gives you specific rights, and you may also have other rights which vary from 

state to state. 

 

MFJ-185 

MFJ Deluxe DXer’s Digital Watch 

General Information and Operating Instructions  

 

 

Thank you for purchasing the MFJ-185 Deluxe DXer’s Digital Watch.  Because of the 

many features of this watch it can be complicated and difficult to use.  Please read these 
instructions carefully before use. 
 

FEATURES: 

• 

Elegant world time travel clock with large display. 

• 

World time of 50 different cities.  

• 

Typical high and low temperatures of each city for every month of the year. 

• 

Country code and area code of each city. 

• 

Alarm 

• 

Automatic current temperature measurement. 

• 

Temperature display in Celsius or Fahrenheit. 

• 

12 / 24 Hour format. 

• 

E.L. Backlight 

• 

Water Resistant Construction 

 

SPECIFICATIONS: 

• 

Accuracy at normal operating temperatur e: +/- 30 seconds a month. 

• 

Calendar: semi-auto-calendar pre-programmed until the year 2050. 

• 

Temperature range: -10

°

C to 60

°

• 

Temperature accuracy: 

-10

°

C to 9.9

°

C: +/- 3

°

10

°

C to 40

°

C: +/- 2

°

41

°

C to 60

°

C: +/- 3

°

 

BATTERY INSTALLATION & REPLACEMENT 

• 

The MFJ-185 already comes with the battery installed.  

• 

When the LCD becomes dim or goes out completely replace the battery.  Follow these steps: 
1. 

Remove the 4 screws on the back of the watch with a jeweler’s screwdriver and remove 
the cover. 

2. 

Remove a screw from t he bracket holding the battery. 

3. 

Remove the old battery and replace with a 3V, CR2025 coin battery or equivalent. 

4. 

After replacing the battery, replace all parts & screws.  

 

MODES OF OPERATION 

Press the MODE button to cycle through the different modes.  The t hree modes are: Normal Time 
Mode, World Time Mode, and Alarm Time Mode. 
 

NORMAL TIME MODE 

In the Normal Time Mode, the time will be displayed in the below the world map with the seconds 
running.  The Month and Date will be displayed in the upper right corner.  The upper left of the 
LCD will show the ambient temperature or the day of the week. 

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