• SCRAMBLER KEYSCRM ➥ Push and hold to turn the voice scrambler func-tion ON.➥ Push this key to turn the voice scrambler func-tion OFF.NOTE:• The optional UT-109 (#02) or UT-110 (#02)voice scrambler unit is required.- UT-109 : Non-rolling type.32 codes are available.- UT-110 : Rolling type. Provides higher com-munication security.1020 (4 groups × 255) codes areavailable.• This transceiver requires version #02 of theseunits. Do not install version #01, as they arenot compatible.• Some PC board modifications are requiredwhen installing UT-109 or UT-110. Please referto ‘Optional UT-109 or UT-110 installation’.(p. 14)• Please contact your dealer for details.• USER SET MODE KEYSET Changes the contents of the items in the User Setmode. Please refer to p. 10.• Push and hold this key for 1 sec. to enter set mode.Push this key again momentarily to select the desireditem. Push [ ]/[ ] to set the desired level/condition.Push and hold this key again to exit set mode.• User set mode also available via the ‘Power ON func-tion’.61PANEL DESCRIPTION