displayed. displayed. Day (0D to 9999D) T2-1 T1-4 T1-7 MAIN VOL:----- T1-2. POWER-RELAY ON OUTLVL MAX: 00 RST NUM: 00003 Maximum value / The operation frequency of the power relay (RY541) Minimum value / 0 to FF −80.0 to +16.0 dB is displayed. T1-8. PROTECTION LOCK T1-5. POWER OFFTIME-OUT The operation