STP-301/451 Series Instruction Manual 
 
9-5
Operation 
 
PUMP TEMP: **
℃
RATING: **000rpm
LEVITATION 
Chan
e speed b
 turnin
 
VR1 volume 
The massage displayed can 
be changed by pressing the 
“SELECT” switch. 
Determine speed by 
pressing “START” switch 
< LCD Message >
<Operation> 
SELECT Switch
SELECT Switch
SELECT Switch
Pump’s state
 
Pump’s internal temperature
Set value of rated speed 
Rated speed setting mode 
SELECT Switch
SET = ***00rpm 
DSW-B No.1  ON 
 
 
◇  The rated speed returns to 48,000 rpm (initial setting) by setting dip switch 1 of 
DSW-B to "OFF". 
 
Figure 9.2    LCD Message in Rated Speed Setting Mode
 
 
 
  
 
*1
: The STP pump’s state displayed depends on the pump’s operation state. 
Examples)    “LEVITATION” (LEVITATION state) 
“ACCEL: ***00prm” (ACCELERATION state) 
“NORMAL: ***00rpm” (NORMAL OPERATION state) 
“BRAKE: ***00rpm” (BRAKE state)