A Guide to Programming the M150MC4 Time Recorder

Setting up your Acroprint M150MC4 time recorder is quick and straightforward. This guide will walk you through how to quickly adjust all settings in one session, ensuring your device meets your full satisfaction. 

1. Open the Unit

Prior to adjusting settings, you will need to unplug the device and remove the cover. A key is necessary to access the settings. Insert the key into the lock on the cover of the unit. Turn the key to the clockwise position to unlock the unit. Pull forward to remove. Check out our Getting Started article for more information.

2. Get Familiar with the Control Buttons

Control Button	Function
SELECT	Press SELECT to choose the desired program setting mode. The selected program setting is indicated by the upward arrow on the display.
CHANGE	Press CHANGE to cycle through the options.
SET	Press SET to set the option. Press the SET button again to return the device to the normal operation mode.

3. Set the Time (Hour and Minutes)

1. Press SELECT until the arrow points to TIME. The Hour will begin flashing. 
   • If the time is correct, press SELECT to move on to setting the date.
2. Press CHANGE to change the hour.
3. Press SET to confirm. The Minutes will begin flashing. 
4. Press CHANGE to change the minute. Hold the change button down to increase quickly.
5. Press SET to confirm. The Seconds will start to count up.
6. If the setting is correct, press SELECT to move on to setting the year, month, and day.

4. Set the Date (Year, Month, and Day)

1. Press SELECT until the arrow points to DATE. The Year will begin flashing.
   • If the setting is correct, press SELECT to move on to setting the hour format.
2. Press CHANGE to change the year.
3. Press SET to confirm. The Month will begin flashing. 
4. Press CHANGE to change the month. Hold the change button down to increase quickly.
5. Press SET to confirm. The Date will begin flashing. 
6. Press CHANGE to change the date. Hold the change button down to increase quickly.
7. Press SET to confirm. The screen should stop flashing.
8. If the setting is correct, press SELECT to move on to setting the hour format (12 hour or 24 hour).

A few notes on the date setting:

• How the date appears on the printout, or whether it appears at all, depends on the Print Order. 
• The date will be displayed according to the language of your choice, updated with the Language setting.
• The Year Digit setting lets you choose between a 2-digit ('25) or 4-digit (2025) year format.

These settings are covered later in this guide.

5. Select 12 Hour or 24 Hour Format 

The HOUR setting will determine the hour format for the display (12 hour or 24 hour format).

1. Press SELECT until the arrow points to HOUR. The screen will begin flashing.
   • If the setting is correct, press SELECT to move on to setting the print order.
2. Press CHANGE to select the time format:
   
   • 1: 12 Hour (PM 3:00)
   • 2: 24 Hour (15:00)
3. Press SET to confirm. The screen should stop flashing.
4. If the setting is correct, press SELECT to move on to setting the print order.

6. Set the Print Order

Setting the print order for your device allows you to customize how the date and time information is printed. We have 18 preset options. You can see all available Print Order Options in our M150MC4 Print Order Settings article.

1. Press SELECT until the arrow points to PRINT ORDER. The screen will begin flashing.
   • If the setting is correct, press SELECT to move on to setting the print pattern.
2. Press CHANGE to select your preferred print order from our list of available options located in our Print Order Settings article.
3. Press SET to confirm. The screen should stop flashing.
4. If the setting is correct, press SELECT to move on to setting the number of digits in the year.

The print order will also reflect the language of your choice. You can follow the steps in our Language article or in the section below to adjust the printed language to one of our four available language options.

7. Set the Number of Digits in the Printed Year

If you have selected the unit to print the year, this allows you to choose the number of digits in the year (two or four).

1. Press SELECT until the arrow points to YEAR DIGIT. The screen will begin flashing. 
   • If the setting is correct, press SELECT to move on to setting the hour and minute format.
2. Press CHANGE to select the year format:
   • 1: 2 digits ('24)
   • 2: 4 digits (2024)
3. Press SET to confirm. The screen should stop flashing.
4. If the setting is correct, press SELECT to move on to setting the hour and minute format.

8. Set the Hour and Minute Format

The Hour and Minute setting allows you to set the print format to 12 or 24 hour format and set the way the minutes are printed.

1. Press SELECT until the arrow points to HOUR/MIN. The Type of Hour will begin flashing. 
   • If the setting is correct, press SELECT to move on to setting the leading zeros.
2. Press CHANGE to select the hour format:
   • 1: 12 Hour (PM 3:00)
   • 2: 24 Hour (15:00)
3. Press SET to confirm. The second number (the minute format option) will begin flashing.
4.  Press CHANGE to select the minute format:
   • 1:  Standard (10:10)
   • 2: 1/100th (10.17)
   • 3: 1/20th (10.15)
   • 4: 1/10th (10.1)
5. Press SET to confirm. The screen should stop flashing.
6. If the setting is correct, press SELECT to move on to setting the leading zeros.

9. Set the Leading Zeros

1. Press SELECT until the arrow points to LEADING ZERO. The screen will begin flashing.
   • If the setting is correct, press SELECT to move on to setting the print pattern. 
2. Press CHANGE to enable or disable leading zeros:
   • 1:  Disabled (PM 3:00)
   • 2: Enabled (PM 03:00)
3. Press SET to confirm. The screen should stop flashing.
4. If the setting is correct, press SELECT to move on to setting the comments.

10. Configure Comments

The M150MC4 has 13 preset comment options. Prior to setting the Preset Comments, refer to the Print Order section above to ensure you have set the print order options to allow the preset options to print comments (C = Comments).

1. Press SELECT until the arrow points to COMMENT. The screen will begin flashing.
   • If the setting is correct, press SELECT to move on to setting the language.
2. Press CHANGE to select your preferred comment from our list of available comment options. You can view those options in our M150MC4 Comment Settings article.
3. Press SET to confirm. The screen should stop flashing.
4. If the setting is correct, press SELECT to move on to setting the language.

11. Adjust the Language

The language setting is available if you select Month, Day of the Week, or Comment to print in the Print Order.

1. Press SELECT until the arrow points to LANGUAGE.
   • If the setting is correct, press SELECT to move on to setting the print length.
2. Press CHANGE to select your language. 
   • 1: English
   • 2: French
   • 3: Spanish
   • 4: Portuguese
3. Press SET to confirm. The screen should stop flashing.
4. If the setting is correct, press SELECT to move on to setting the print length.

12. Set the Print Length

The print length default is 4. You may select from six (1-6) font sizes. If the font size is too large to print, the font will revert to a smaller size before printing correctly.

1. Press SELECT until the arrow points to PRINT LENGTH. The screen will begin flashing. 
   • If the setting is correct, press SELECT to move on to setting the print direction.
2. Press CHANGE to select the print length. You can select 1 through 6.
   • 1 = smallest
   • 6 = largest
   • 4 = default
3. Press SET to confirm. The screen should stop flashing.
4. If the setting is correct, press SELECT to move on to setting the print direction.

13. Set the Print Direction

The Print Direction setting allows you to select a left-hand or right -hand print margin form.

1.  Press SELECT until the arrow points to PRINT DIRECTION. The screen will begin flashing. 
   • If the setting is correct, press SELECT to move on to setting Daylight Saving Time.
2. Press CHANGE to select the print direction:
   • 1: right-hand margins
   • 2: left-hand margins
3. Press SET to confirm. The second number will begin flashing. 
4. Ensure the second number is set to 1. Press CHANGE to select 1 if it is not already. 
5. Press SET to confirm. The screen should stop flashing. 
6. If the setting is correct, press SELECT to move on to setting Daylight Saving Time.

14. Program Daylight Saving Time (DST)

1. Press SELECT until the arrow points to DST. The screen will begin flashing.
   • If the setting is correct, press SELECT to move on to setting the password.
     

     

2. Press CHANGE to select the correct Daylight Saving Time option.
   
   • 2: Off - The clock does not adjust for DST
   • 3: Manual - Set the DST start and end dates yourself.
3. Press SET to confirm.
4. If you selected option 2, the screen should stop flashing. Press SELECT to move on to setting the Password.
5. If you select option 3, the arrow will move to DST START. The Year will begin flashing. 
   

   

6. Press CHANGE to adjust the year. 
7. Press SET to confirm. The flashing will change from Year to Month.
8. Press CHANGE until the month is 3. 
9. Press SET to confirm. The flashing will change from Month to Date.
10. Press CHANGE to adjust the date. DST starts on the second Sunday in March in the US.
11. Press SET to confirm. The Staring Date will stop flashing and the arrow will be under SU.
    

    

12. Press SELECT until the arrow is above DST END. The Year will begin flashing. 
    

    

13. Press CHANGE to adjust the year. 
14. Press SET to confirm. The flashing will change from Year to Month.
15. Press CHANGE until the month is 11. 
16. Press SET to confirm. The flashing will change from Month to Date.
17. Press CHANGE to adjust the date. DST ends on the first Sunday in November in the US.
18. Press SET to confirm. The Ending Date will stop flashing and the arrow will be under SU.
    

    

19. If the setting is correct, press SELECT to move on to setting the password.

15. Set the Password

Once the password is set, you must enter the current password before changing any settings. You may choose any 4-digit number from 0001 to 9998. Numbers “0000” and “9999” are not valid passwords.

1. Press SELECT until the arrow points to PASSWORD. The first two digits will begin to flash.
2. Press CHANGE until the first two digits match the first two digits of your password.
3. Press SET. The last two digits will begin to flash. 
4. Press CHANGE until the last two digits match the last two digits of your password. 
5. Press SET to confirm. The screen should stop flashing.
6. If the setting is correct, press SET until the device returns to the normal operation mode.

16. Close the Unit

After adjusting settings, you will need to replace the cover on the device. Replace the cover, then turn the key to the counter-clockwise position to lock the unit. Check out our Getting Started article for more information.