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4-5. MEMORY
4-5-1.
Microprocessor memory back-up
A lithium battery is contained in the transceiver to retain
memory. Turning off the POWER switch, disconnecting the
power cable, or a power failure will not erase the memory.
The battery should last for approximately five years. When
the battery discharges, an erroneous display may appear in
the display.
Lithium
battery
replacement
should
be
performed
by an
authorized KENWOOD service facility; either your KENWOOD
dealer, or the factory, since this unit contains CMOS type cir-
cuitry.
4-5-2.
Microprocessor Initialization
@ Initial state of the microprocessor from the factory.
| _MAIN
BAND
| 5uB BAND
TM-621A|TM-721A/721€
e
VEO
ee
430/440 | 144
| Memory Channel 0~9, A~d
430/440
144
CALL Channel | (U.S.A version)_|
440
144
|_TM-721A only| (other market) | —
430
| 144
(MHz)
22
3. Release the F key; the F indicator and Memory Channel
Number
''0'' will display for approximately
5 seconds
after you release the keys.
4-5-3.
Memory Channel
This transceiver provides 14 Memory Channels (0-9, A-d).
In addition to serving as a normal memory channel some of
the Memory Channels serve a dual purpose to specify other
parameters. The functions of these Memory Channels are
described below.
* Memory Channel 1 is used to store the frequency for the
Priority Alert function.
* Memory Channel A is used to store the lower limit for
the Programmable Band Scan function.
* Memory
Channel b is used to store the upper limit for
the Programmable Band Scan function.
* Memory
Channel C and d are used to store odd split
repeater data.
4-5-4.
Memory Contents
Each Memory Channel is capable of storing;
'Model
TM-621A/721A__
TM-7216
cd}
cau}
9% | ca
Memory Channel
Frequency data
Tone Frequency data
Tone ON/OFF
'SHIFT status
>e bal
O}ojojolole ]]o]o]o lojajojojo
REVERSE ON/OFF
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