나 1 Product Overview 
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①  Counting value display component (red) 
RUN mode: Displays counting value for counter operation or time progress value for timer 
operation. 
Setting mode: Displays parameter. 
②  Setting value display component (green) 
RUN mode: Displays setting value. 
Setting mode: Displays parameter setting value. 
③  Key lock indicator (LOCK): Turns ON for key lock setting. 
④  Counter indicator (CNT): Turns ON for counter operation. 
⑤  Timer indicator (TMR): Flashes (progressing time) or Turns ON (stoping time) for timer 
operation. 
⑥  Setting value checking and changing indicator (PRESET1, PRESET2) 
: Turns ON when checking and changing setting value. 
⑦  Output indicator (OUT1, OUT2): Turns ON for the dedicated control output ON. 
⑧    key 
RUN mode: Press the    key to reset the counting value. 
BATCH counter mode (CTM Series) 
: Press the
 
  key to reset the batch counting value.   
⑨    key 
RUN mode: Enters parameter setting mode or communication setting mode. 
Setting mode: Saves setting value and return to RUN mode.   
⑩ 
,  , 
 
-    key 
RUN mode: Enters setting value change mode.     
Setting value change mode: Moves setting value digits. 
-    key 
Setting value change mode, Setting mode: Changes setting value. 
Setting value check mode: Checks setting value of the previous parameter. 
-    key 
RUN mode: Enters setting value check mode. 
Setting value change mode, Setting mode: Changes setting value. 
Setting value check mode: Check setting value of the next parameter. 
⑪    key 
RUN mode: Enters BATCH counter indication mode. 
⑫  BATCH output indicator (BA.O) (red) 
: Turns ON when BATCH output is ON. 
⑬  BATCH setting value checking and changing indicator (BA.S) (green)   
: Turns ON when checking or changing BATCH setting value.   
 
CT4S-1P 
PRESET2  →  PRESET 
OUT2  →  OUT 
No PRESET1, OUT1 LEDs 
CT6S-1P 
CT6Y-1P 
CT6M-1P 
CT6S-I 
PRESET2  →  PRESET 
No PRESET1, OUT1, OUT2 LEDs   
CT6Y-I 
No PRESET1, OUT1, OUT2, BA.S, BA.O LEDs.   
No    key.   
CT6M-I 
※  CT4S model does not support indicator type.