1-4 (No.RA033<Rev.001>)
SECTION 1
PRECAUTION
This service manual does not describe PRECAUTION.
SECTION 2
SPECIFIC SERVICE INSTRUCTIONS
2.1
SYSTEM SET-UP
2.2
REALIGNMENT
2.2.1 Modes
2.2.2 How to Enter Each Mode
2.2.3 PC Mode
2.2.3.1
Preface
The NXR-5700 repeater is programmed by using a personal
computer (USB Support) and FPU (programming software).
2.2.3.2
Connection Procedure
(1) Connect the NXR-5700 to the personal computer with the
USB(A-B Type) cable.
(2) When power is applied, the user mode is entered. When
the PC sends a command, the repeater enters 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 flashes. The BUSY LED flashes when data from
the PC is being received by the repeater.
Note:
• The data stored in the personal computer must match the
model type, when it is written into the flash memory.
• Change the NXR-5700 to PC mode, then attach the USB (A-
B Type) cable.
Merchandise received
Choose the type of transceiver
OCXO?
Repeater programming & setup
KXK-3 installation
YES
NO
Delivery
Refer to the "2.4.1 OCXO (KXK-3)".
When using the Very Narrow Mode of the
NXR-5700 repeater, install the KXK-3 (OCXO).
(Option)
Frequency range
RF power
Type
TX/RX 136~174MHz
25W
K
External speaker?
KES-5 installation
YES
NO
(Option)
Refer to the "2.4.2 External Speaker (KES-5)".
A personal computer, programming interface (USB A-B Type cable),
and FPU (programming software) are required for programming.
Mode
Function
User mode
Use this mode for normal operation.
PC mode
Use this mode to make various settings
by means of the FPU through the USB
port.
PC programming
mode
Used to read and write frequency data
and other features to and from the re-
peater.
PC test mode
Used to check the repeater using the
PC.
This feature is included in the FPU.
Firmware program-
ming mode
Use when changing the firmware
program of the flash memory.
User mode
PC programming mode
PC tuning mode
Firmware programming mode
PC mode
PC test mode
Mode
Operation
User mode
Power on.
PC mode
Received commands from PC
Firmware programming mode Received commands from PC