Oo o – Kenwood TH-26A User Manual
Page 23
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4-4-1. Microprocessor Memory back-up
A
lithium
battery
is
contained
in
this
transceiver
to
retain
memory.
Tuning
OFF
the
POWER
switch,
disconnecting
the
power
cable
or
an
intermittent
power failure will not erase the memories. The battery
life is estimated at 5 years. When the battery has been
exhausted
erroneous
information
might
appear
in
the
display.
Lithium
battery
replacement
should
be
performed
by
an
authorized
KENWOOD
service
facility,
or
your
authorized
KENWOOD
dealer.
This
equipment
contains
CMOS
circuitry
and
can
be
damaged
by
improper
replacement procedures.
4-4-2. Microprocessor Initialization
The initial state of the microprocessor, as delivered
4-4. MEMORY
from the factory is
shown in the c
hart below.
TH-26A/26AT
/26E
TH-46A/
46AT
TH-46A/
46E
VFO frequency
144 MHz
440 MHz
430 MHz
Call channel and
memory channel
1 frequency
144 MHz
440 MHz
430 MHz
Frequency step
5 kHz (AT)
12.5 kHz (A/E)
25 kHz
25 kHz
Tone frequency
88.5 Hz
88.5 Hz
88.5 Hz
Microprocessor Initialization
There
are
two
methods
for
resetting
the
microprocessor.
1. Press and hold the F key and turn on the POWER.
2.
Press and hold the VFO key and turn on the power to
reset all user programmed data except the contents
of the memory channels.
4-4-3. Memory Contents
Each
Memory
channel
is
capable
of
storing
the
ollowing information.
Channel No.
1~3
4—10
CALL
m
1
11-20
Frequency data
O
o
o
Tone frequency
O
o
o
Tone status
o
o
o
CTCSS status and
Tone frequency
o
o
o
Frequency step
o
o
o
Shift status
o
o
^2
Reverse status
o
o
X
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