Kenwood NX-320 Series Service Manual

Also see for NEXEDGE NX-320: Instruction manual Instruction manual Instruction manual Instruction manual Instruction manual

NX-32035ControlsSP/MICjackSelectorPower switch/VolumePTT switchSide1 keySide2 keyAUX key■ Preparations for checking/tuning the transceiverBefore attempting to check/tune the transceiver, connectthe unit to a suitable power supply.Whenever the transmitter is turned on, the unit must beconnected to a suitable dummy load (i.e. power meter).The speaker output connector must be terminated with a8Ω dummy load and connected to an AC voltmeter and anaudio distortion meter or a SINAD measurement meter at alltimes during checking/tuning.Panel Test Mode(K2,K3,K5 and K6 models only)■ Test mode operation featuresThis transceiver has a test mode. To enter test mode,press and hold the [ ] key while turning the transceiverpower ON. Before the transceiver enters test mode, thefrequency version information appears on the LCD mo-mentarily. Test mode can be inhibited by programming. Toexit test mode, turn the transceiver power OFF. The follow-ing functions are available in test mode.■ Key operationKey “ ” not appears on the LCD displayFunction Display[Selector] Test channel up/down Channel No.[Side1] Push: Squelch level upHold: Squelch offSquelch levelSquelch off: icon appears[Side2] Wide/Narrow/Very narrowWide: “W”Narrow: “N”Very narrow: “V”[ ] Shift to panel tuning mode -[ ] Function on “ ” appears on the LCDdisplay[ ] MSK 1200bps and 2400bps 2400bps: icon appears[ ]Push: Test signaling upHold: Test signaling upcontinuouslySignaling No.[AUX] Analog/NXDN Analog: “A”, NXDN: “N”[PTT] Transmit -Key “ ” not appears on the LCD displayFunction Display[0] to [9]and[#], [ ]Use as the DTMF keypad.If a key is pressed duringtransmission, the DTMFcorresponding to the keythat was presses is sent.-Key “ ” appears on the LCD displayFunction Display[Selector] Test channel up/down Channel No.[Side1] Function off -[Side2] LCD all lights LCD all point appears[ ] High power/Low power High: icon not appearsLow : icon appears[ ] Function off -[ ] Compander on/off On: icon appears[ ] Beat shift on/off On: icon appears[AUX] Function off -[PTT] Transmit -[0] to [9]and[#], [ ]Function off -• LED indicatorRed LED Lights during transmission.Green LED Lights when there is carrier.• LCD display in panel test mode(Power ON)Battery type detect“LI”: Li-ion battery“MH”: Ni-MH battery“AL”: Alkaline battery caseMarket codeSquelch levelChannel No.Signaling No.AW : Analog wide modeAN : Analog narrow modeNN : NXDN narrow modeNV : NXDN very narrow modeFrequency range“U-1”: 450~520MHz“U-2”: 400~470MHz(After 2sec.)ADJUSTMENT (K TYPE)