■ AGC function The AGC (auto gain control) controls receiver gain toproduce a constant audio output level even when thereceived signal strength varies greatly.The receiver has 3 preset AGC characteristics (timeconstant: fast, mid, slow) for non-FM/WFM or P25mode.The FM/WFM or P25 mode AGC time constant isfixed as ‘FAST’ (0.1 sec.) and AGC time constantcannot be selected.DD Selecting the preset valueq Select non-FM/WFM or P25 mode.w Push [AGC] several times to select AGC fast, AGCmedium (MID) or AGC slow.• Push and hold [AGC VR/OFF] for 1 sec. to turn the AGCfunction OFF.DD Adjusting the AGC time constantq Select non-FM/WFM or P25 mode.w Push [AGC VR/OFF] once or twice to select AGCvolume (VR), then rotate [AGC] control to adjust theAGC time constant.• [AGC VR] indicator lights green and “VR” appears in-stead of “FAST,” “MID” or “SLOW.”DD Setting the AGC time constant preset valueq Select the desired mode (not FM/WFM or P25mode).w Push and hold [AGC] for 1 sec. to enter AGC setmode.e Push [AGC] several times to select FAST time con-stant.r Rotate the main dial to set the desired time constantfor ‘AGC FAST.’• AGC time constant can be set between 0.1 to 8.0 sec.(depends on mode) or turned OFF.• Push and hold [F-4•DEF] for 1 sec. to select a defaultvalue.t Push [AGC] to select medium time constant.y Rotate the main dial to set the desired time constantfor ‘AGC MID.’• AGC time constant can be set between 0.1 to 8.0 sec.(depends on mode) or turned OFF.• Push and hold [F-4•DEF] for 1 sec. to select a default value.u Push [AGC] to select slow time constant.i Rotate the main dial to set the desired time constantfor ‘AGC SLOW.’• AGC time constant can be set between 0.1 to 8.0 sec.(depends on mode) or turned OFF.• Push and hold [F-4•DEF] for 1 sec. to select a default value.o Select another mode (not FM/WFM or P25). Repeatsteps e to i if desired.!0 Push [EXIT/SET] to exit the AGC set mode screen.[AGC][AGC] control[AGC VR] indicator[AGC VR/OFF]5-105 RECEIVE FUNCTIONSMode Default Selectable AGC time constantFM 0.1 (FAST) FixedWFM 0.1 (FAST) Fixed3.0 (FAST) 0.3, 0.5, 0.8, 1.2, 1.6, 2.0, 2.5, 3.0,AM 5.0 (MID) 4.0, 5.0, 6.0, 7.0, 8.07.0 (SLOW)0.3 (FAST) 0.1, 0.2, 0.3, 0.5, 0.8, 1.2, 1.6, 2.0,SSB 2.0 (MID) 2.5, 3.0, 4.0, 5.0, 6.06.0 (SLOW)0.1 (FAST) 0.1, 0.2, 0.3, 0.5, 0.8, 1.2, 1.6, 2.0,CW 0.5 (MID) 2.5, 3.0, 4.0, 5.0, 6.01.2 (SLOW)0.1 (FAST) 0.1, 0.2, 0.3, 0.5, 0.8, 1.2, 1.6, 2.0,FSK 0.5 (MID) 2.5, 3.0, 4.0, 5.0, 6.01.2 (SLOW)P25 0.1 (FAST) Fixed• Selectable AGC time constant (unit: sec.)
