Kenwood NXR-800 Service Manual

Also see for NEXEDGE NXR-800: Brochure Instruction manual Instruction manual Instruction manual Instruction manual

Contents

NXR-8003Merchandise receivedChoose the type of transceiverSee page 3.A personal computer, programming interface (RS-232C Cross-wired cable),and programming software (KPG-109D) are required for programming.See page 96.The RX RF BPF (L132~L135 on RX unit) must be aligned to obtain themaximum sensitivity at a programmed frequency.OCXO?Repeater programming & setupKXK-3 installationYESNODeliverySee page 6.When using the Very Narrow Mode of theNXR-800 repeater, install the KXK-3 (OCXO).(Option)Frequency range RF power TypeTX/RX 368~400MHz 5W K5External speaker? KES-5 installationYESNO (Option)See page 6.REALIGNMENTSYSTEM SET-UP1. ModesUser modePC modeFirmware programming modePC programming modePC test mode PC tuning modeMode FunctionUser mode Use this mode for normal operation.PC modeUse this mode to make various settings bymeans of the FPU through the RS-232Cport.PC programmingmodeUse to read and write frequency data andother features to and from the repeater.PC test mode Use to check the repeater using the PC.This feature is included in the FPU.Firmware program-ming modeUse when changing the firmware programof the fl ash memory.2. How to Enter Each ModeMode OperationUser mode Power ONPC mode Received commands from PCFirmware programming mode Received commands from PC3. PC Mode3-1. PrefaceThe NXR-800 repeater is programmed by using a per-sonal computer, programming interface and programmingsoftware (KPG-109D).3-2. Connection Procedure1. Connect the NXR-800 to the personal computer with theinterface cable.2. When power is applied, the user mode is entered imme-diately. When the PC sends a command, the repeaterenters the PC mode and displays “PC” on the 17-seg-ment LED. When data is being transmitted to the PCfrom the repeater, the TX LED fl ashes. The BUSY LEDfl ashes when data from the PC is being received by therepeater.Note:• The data stored in the personal computer must match themodel type, when it is written into the flash memory.• Change the NXR-800 to PC mode, then attach the RS-232C Cross-wired cable.