HRX-OM-M090 
Chapter 5   Display and setting of various functions 
 
HRS Series  5.5 Key-lock 
 
 
5-13
5.5 Key-lock 
5.5.1 Key-lock 
The keys can be locked to prevent the set values being changed by 
operator error. Operation can be started/stopped by the “RUN/STOP” key 
even while key-lock is set. 
 
If you try to change the set value with “▲” and ”▼” key while key-lock is set, 
“
” is displayed for 1 sec. on the screen. The set value cannot be 
changed. (Refer to the figure below.) 
PV
SV
PV
SV
 
 
 
 
During key-lock setting, no other setting is available.   
Release the key-lock setting for other setting.