-51- 
 
No.PS※※-OMM0007-H 
 
 
How to change the security code 
At the time of shipment, the security code is set to [000], but this can be changed to any number. 
 
<Operation> 
1, After the key lock setting has been completed, perform the first three steps in the unlocking 
procedure (page 50). 
 
 
2, After the security code has been entered and the display changes to “UnL”, press the   and   
buttons simultaneously for 5 seconds or longer.   
[000] is displayed and a new security code can now be entered. 
For how to enter the security code, refer to "How to enter the security code". 
The new security code will be displayed. 
 
 
3, After checking the security code is as required, press the   button for 1 second or longer. 
 
The display will return to measurement mode. 
 
At this time, if the   or   button is pressed, any security code changes are lost, and the change 
of security code procedure must be repeated. 
 
 
 
 
 
 
How to enter the security code 
The first digit will start flashing. 
Press the   or   button to select a value. 
Press the    button to set and the next digit will start flashing. 
(If the    button is pressed at the last digit, the first digit     
will start flashing again). 
 
After the setting is completed, press the   button for 
1 second or longer. 
(If a key operation is not performed for 30 seconds 
while entering the security code, the measurement 
mode will return).