163BASIC OPERATION■ User Set modeThe User Set mode allows you to set seldom-changed set-tings. If the transceiver has [User Set Mode] assigned to it,you can “customize” the transceiver operation to suit yourpreferences and operating style.Entering the User Set mode:Hold down [User Set Mode] for 1 second to enter the UserqSet mode.Push [User Set Mode] several times to select the appro-wpriate item. Then push [CH Up] or [CH Down] to set thedesired level or condition.• Available User Set mode items are Backlight, LCD contrast,Beep, Beep Level, Ringer Level, SQL Level, AF Min Level,Mic Gain, VOX Gain*, VOX Delay*, Battery Voltage, SignalMoni, Lone Worker and System Info.* Appears only when the external VOX unit is connected.Hold down [User Set Mode] for 1 second again to exit theeUser Set mode.■ Scrambler functionThe Voice Scrambler function provides private communicationbetween stations. All versions have a built-in frequency inver-sion type scrambler. Moreover, an optional Rolling or Non-rolling type can be used.➥ Push [Scrambler] to turn the Voice Scrambler function ONor OFF.• “ ” appears when the function is ON.■ Stun functionThe dispatcher can send a signal that will stun, kill or reviveyour transceiver.When a Stun command is received, the transceiver becomesunusable. In that case, receiving a Revive command or input-ting the password* (p. 11) is necessary to operate the trans-ceiver again.When a Kill command is received, the transceiver becomesunusable (the transceiver switches to the cloning requiredcondition). In that case, cloning the transceiver is necessaryto operate the transceiver again.* Depending on the pre-programmed settings.See the operating guide for details of the Stun function withthe BIIS and dPMR system operations. Ask your dealer fordetails.12345678910111213141516