TK-285/(N)3OPERATING FEATURES1. Operation FeaturesThe TK-285 is a VHF FM Radio designed in both TrunkingMode and Conventional Mode.2. Transceiver Controls and Indicators2-1. Physical Layout2-2. Panel controlsThe key on the top and front panel is momentary-type pushbuttons. The functions of these keys and knob are explainedbelow.1 Antenna connectorConnect the antenna here.2 Rotary encoder3 POWER switch/ VOLUME controlTurn clockwise to switch ON the transceiver. Rotate toadjust the volume. Turn conterclockwise fully to switch OFFthe transceiver.4 Auxiliary (orange) key5 Battery pack release latchPull back on this latch to release the battery pack.6 Call key7 PTT (Push-To-Talk) switch8 Clear key9 Transmit/ Receive indicator0 A key- B key= 2 C key~ D 3 key! DTMF keypad@ Universal connectorConnect the (optional KMC-25) speaker/ microphone here.Otherwise, keep the supplied cover in place.2-3. Key functionsTrunking mode2 Rotary encoderRotate this encoder to select your desired call address(voice calls) ot status (status calls).4 Auxiliary (orange) key (default setting: None)Press to activate its auxiliary function.6 Call keyPress to call the displayed call address.7 PTT (Push-To-Talk) switchPress to transmit. Also press to initiate a call if “PTT toInitiate Call” has been programmed.8 Clear keyPress to end the current call.9 Transmit indicatorLights red while transmitting.0 A key (default setting: Status/ Stack)Press to activate its auxiliary function.- B key (default setting: Redial)Press to activate its auxiliary function.= 2 C key (default setting: None)Press to activate its auxiliary function. Also press to scrollleft while viewing stack entries.~ D 3 key (default setting: None)Press to activate its auxiliary function. Also press to scrollright while viewing stack entries.! DTMF keypadPress to input a call address or dialing function.Conventional mode2 Rotary encoderRotate this encoder to select your desired channel.6 Call keyPress to turn the monitor function ON in order to monitoryour selected channel.7 PTT (Push-To-Talk) switchPress this switch, then speak into the microphone to call astation.8 Clear keyPress to return to Trunking mode.9 Transmit/ Receive indicatorLights green while receiving a signal. Lights red whiletransmitting.0 A keyPress to turn Scan ON (or OFF).- B keyPress to add/delete channel(s) to/from Scan list.~ D 3 keyPress to turn the display and keypad backlight ON.The backlight remains ON for 5 seconds.eq wrto!5!0!4iuy!1!2!3SpeakerMicrophone