Tx Unit; Section 4. Additional Information - Kenwood TR-9000 Instruction Manual

quency is set to the displayed frequency by shifting the
HET frequency.
1. The digital VFO frequency shift is based on USB mode.
2. In LSB mode, there is a frequency difference of about
400-600Hz for every 10kHz as compared with rUSB
mode. This is a product of the frequency shift and is not
an indication that the transceiver is defective.
3. Consequenctly, the jumps when the digits shift up from
9.9 to 10.0kHz.
3.15 TX unit
All adjustable trimmers, coils and potentiometers of the
TR-9000 are aligned and preset at the factory, and should
not be touched unnecessarily.
Table 3-3
f
MODE
Displayed (operating)
frequency
HET frequency
143.90—
133.2050—
FM 1
148.99MHz 138.2950MHz
143.9000— 133.2050—
FM 2
148.9999MHz
138.3049MHz
143.9000— 133.2065—
USB/CW
148.9999MHz 138.3064MHz
143.9000— 133.2035—
LSB
148.9999MHz 138.3034MHz
ALC terminal
9T terminal (TX)
SECTION 4. ADDITIONAL INFORMATION
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5.1 GENERAL INFORMATION
Your TR-9000 has been factory aligned and tested to
specification before shipment. Under normal cir-
cumstances, the transceiver will operate in accordance
with these operating instructions.
If your transceiver fails to work, contact the authorized
dealer from which you purchased it for quick, reliable
repair. All adjustable trimmers and coils in your transceiver
were preset at the factory and should only be readjusted by
a qualified technician with proper test equipment.
Attempting service or alignment without factory authoriza-
tion can void the transceiver's warranty.
5.2 HOW THE TX FINAL TRANSISTORS ARE
PROTECTED
Final transistor protection is provided by sampling the
reflected power. As the reflected power is increased
(higher SWR) transmitter drive is reduced, thus decreasing
input to the final transistors. This in turn recuces collector
loss, protecting the final transistors.
5.3 BATTERY PRECATION:
When charging your vehicle battery, or when jump-starting
a dead battery ALWAYS disconnect the power lead from
the back of the transceiver.
15