HRX-OM-Q026 
Chapter  5   Display  and  Setting  of  Various  Functions 
 
5.6 Key-lock  HRSH Series 
 
  5-14 
5.6.2 Key-lock setting / checking 
The table below explains the setting items of the key-lock function and the 
initial values. 
 
Table 5.6-1 Set items for key-lock 
Sets the key-lock function ON. 
When the key-lock function is set ON, no other settings 
are available. 
 
1.  Press and hold the [MENU] key for approximately 2 seconds. 
Repeat pressing the key until the key-lock setting screen [ ] appears on the digital 
display 
         
 
Setting/checking: Key-lock function 
2.  Select “ON” with [▲] key or [▼] key, and enter with the “SEL” key. 
 
Table 5.6-2 Setting of the key-lock function 
 
3.  Press the [MENU] key once. 
Returns to the main display (which shows the circulating fluid temperature). 
 
 
Press and 
hold [MENU] 
key 
 
 
[MENU] 
Press and 
hold 
Press and 
hold [MENU] 
key