418 TONE SQUELCH AND POCKET BEEPN DTCS polarity settingAs well as the code setting, the polarity setting is also avail-able for the DTCS operation. When a different polarity isset, the DTCS never releases audio mute even a signal withmatched code number is received.q Hold down [SET](TS) for 1 second to enter the Set mode.w Rotate [DIAL] to select the “EXPAND” item.e While holding down [FUNC], rotate [DIAL] to turn theExpand set mode ON.r Rotate [DIAL] to select the “DTCS P” item.[DIAL]After 1 sec.t While holding down [FUNC], rotate [DIAL] to select thepolarity from normal (NORMAL) and reverse (REV).Normal polarity Reverse polarityy Push [SET](TS) to exit the Set mode.
