System Set-Up; Realignment - Kenwood NXR-800 Service Manual Supplement

Merchandise received
Choose the type of transceiver
Repeater programming & setup
OCXO?
NO
External speaker?
NO
Delivery
1. Modes
User mode
PC mode PC programming mode
PC test mode
Firmware programming mode
Mode
User mode Use this mode for normal operation.
Use this mode to make various settings by
PC mode means of the FPU through the RS-232C
port.
PC programming Use to read and write frequency data and
mode other features to and from the repeater.
Use to check the repeater using the PC.
PC test mode
This feature is included in the FPU.
Firmware program- Use when changing the fi rmware program
ming mode of the fl ash memory.

SYSTEM SET-UP

Frequency range
TX/RX 450~480MHz
TX 477~512MHz
RX 480~512MHz
See page 3.
A personal computer (IBM PC or compatible), programming interface
(RS-232C Cross-cable), and programming software (KPG-109D) are
required for programming.
See page 57.
The RX RF BPF (L132~L135 on RX unit) must be aligned to obtain the
maximum sensitivity at a programmed frequency.
YES
KXK-3 installation
YES
KES-5 installation

REALIGNMENT

PC tuning mode
Function
RF power Type
5W K
5W K2
When using the Very Narrow Mode of the
NX-800 repeater, install the KXK-3 (OCXO).
(Option)
See page 5.
(Option)
2. How to Enter Each Mode
Mode
User mode
PC mode
Firmware programming mode
3. PC Mode
3-1. Preface
The NXR-800 repeater is programmed by using a personal
computer, programming interface and KPG-109D software.
3-2. Connection Procedure
1. Connect the NXR-800 to the personal computer with the
interface cable.
2. When power is applied, the user mode is entered imme-
diately. When the PC sends a command, the repeater en-
ters the PC mode and displays "PC" on the 17-segment
LED. When data is being transmitted to the PC from
the repeater, the TX LED fl ashes. The BUSY LED fl ashes
when data from the PC is being received by the repeater.
NXR-800
Operation
Power on.
Received commands from PC.
Received commands from PC.
3