13AppendixSpecificationsSL40 SpecificationsFeatures760 Communication ChannelsFrequency Range: 118 to 136.975 MHzActive and Standby Flip/Flop FrequenciesVolume Control16-Character High-Intensity Alphanumeric LED DisplayAutomatic Display Intensity ControlBacklit Keypad ControlsTransmit Status Indicator2x8 Frequency Memory and RecallStores/Recalls Eight User-Defined Frequencies(user-programmable alphanumeric naming of frequencies)Stores/Recalls Previous Eight FrequenciesFrequency Monitor Function (listens to standby while monitoring the active)Voice Activated IntercomDedicated Emergency Channel SelectorUpgradeable to Include GPS OptionSquelch Test FunctionStuck Mic Time-Out - 35 seconds