Vanguard RFD-200 S3 - Manual (Page 21)

REV 1 RFD-200 S3 USER’S MANUAL
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g. Press and hold the [TIMER STOP ARROW] key for 2 seconds to return the RFD-200
S3’s timer to dual input mode. The following screen will be displayed momentarily:
Trigger Mode Set
To Dual Input