Kenwood TM-441A Manuel d'utilisateur télécharger pdf (Page 21)

5-4 MEMORY

5-4-1 Microprocessor Memory Back-up

This transceiver contains a lithium battery 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

authorized KENWOOD dealer or authorized service cen

ter.

5-4-2 Initial State

Initial state of the microprocessor from the factory is

shown in the chart below.

TM-241A/E

TM-441A/E

TM-541A/E

VFO^ Memory

channel U CALL

channel frequency

144.000

MHz

440.000/

430.000

MHz

1240.000

MHz

VFO step

5/12.5kHz

25kHz

Memory channel

ICH

Tone frequency

88.5Hz

5-4-3 Microprocessor Initialization

• Memory channel Initialization

When you want to erase all programed data, or if the

display shows erroneous information, you should

initialize (reset) the microprocessor using the

following procedure.

1. Turn the POWER switch off.

2. Press and hold the MR/M key and turn on the POWER

switch.

3. Release the MR/M key .

#VFO Initialization

All the settings, except the contents of the memory

and call channels, are initialized.

1. Turn the power switch off.

2. Press and Hold the

VFO/M^V key then turn

A.LOCK - - REV

CJTB8

□R8

APO

/ ES8

»"■»■mmIM HW.

the power switch on.

No transmit/receive op

eration occurs when this

is done.

3. Press the VFO/M^ V key again.

5-4-4 Memory Channel

This transceiver provides 20 Memory Channels.

(18 Memory Channels when DRU-1 installed)

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 those

Memory Channels are described below.

O Memory Channel 1 is used to store the frequency for

the Priority Alert function.

O Memory Channel 7 ~10 are used to store odd split

repeater data.

O Memory Channel 11 is used to store the lower limit

for the Programmable Band Scan function.

O Memory Channel 12 is used to store the upper limit

for the Programmable Band Scan function

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 58 59

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Kenwood TM-441A Manuel d'utilisateur Page 21

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