4-2 Function Mode Frequency Reference Selection Select the method for using the frequency reference. 4 * To switch to the 2nd frequency reference, allocate 08 (SET) to the multi-function input and then turn it on. Functions 4-7 Parameter No. Function name Data Default setting Unit A001 Frequency reference selection 00: Digital Operator (FREQ adjuster) 01: Terminal 02: Digital Operator (F001) 03: ModBus communication 10: Frequency operation result 00 A201 *2nd frequency reference selection Related functions A005, A141 to A143, A145, A146