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6

To enter the service mode, use the following procedure:
With the power on, turn the  HOLD  switch on while pressing the
x STOP  key and the  VOLUME–  key.

The service mode is reset by turning the power off (removing the
power cord).

The ID of FlashMemory is displayed. This ID represents the
manufacturer code and device code.

The service mode has the initial screen of “Version display”. A
desired test mode under service mode is selected by pressing the
.+  key or  > –  key. Then, the testing operation in the selected
mode is determined by using the  Bx  key.

The version display is the initial screen in service mode and shows
the set name and the version No.

The count of initially faulty blocks for FlashMemory data is
displayed.

(Initial screen)

Version

display

Key Test

Reset Menu

Dsp Loop

Test

Battery

Value

Flash

Memory

ID display

BadBlock

count

display

Lcd

Test

Beep

Test

Set name

Version No 
"1.00"

Device code

Manufacturer code

TOSHIBA

SAMSUNG

Manufacturer code

98

EC

Device code

(Memory Size)

16MB

32MB

73

75

73

75

BadBlock 
count

7

The initial screen for LCD test displays the blinking characters
“LCD”. The LCD test mode includes seven different LCD tests.
The LCD test mode is executed by pressing the  Bx  key while the
“LCD”characters are blinking.
Pressing of the  x STOP  key during any LCD test (display) will
return to this initial screen for LCD test. The LCD tests present the
following displays:

1. All LCD segments on
2. All LCD segments off
3. All LCD segments blinking
4. Even segments displayed
5. Odd segments displayed
6. LCD1 segments displayed
7. LCD set characters displayed

1) Segment test
The segment test is intended to check whether Com-Seg Map is
correct or not. When this test mode is selected, the initial screen
displays the blinking characters “SEG”.
The number of segments are 120. The segment test is executed by
pressing the  Bx  key while the “LCD” characters are blinking.
Pressing of the  x STOP  key during any display of the segment
test will return to the initial screen for LCD test. The segment test
includes the following displays:

Initial screen for LCD TEST

All ON

STOP

Character display

Segment

ODD

EVEN

All OFF

All blinking

STOP

This cycle is repeated until 
the 

   

 key is pressed (toggle).

Segment

Initial screen 
for LCD TEST

8

2) MOJI test
The MOJI test is intended to show the character display (characters/
digits). When this test mode is selected, the initial screen displays
the blinking characters “MOJI”. The MOJI test is executed by
pressing the  Bx  key while the “MOJI”characters are blinking.
Pressing of the  x STOP  key during any display of the MOJI test
will return to the initial screen for LCD test. The MOJI test includes
the following displays:

The beep test is intended to sound 2.4 kHz beeps. When this test
mode is selected, the initial screen displays the blinking characters
“BEEP”. The beep test is executed by pressing the  Bx  key while
the “BEEP” characters are blinking. By pressing the  x STOP  key,
the beep sound will stop returning you to the initial screen for beep
test. The beep test includes the following displays:

Initial screen 
for LCD TEST

STOP

This cycle is repeated until 
the 

   

 key is pressed (toggle).

Character display

The voltage value of the battery inserted into the set is displayed in
hexadecimal format. The value is invalid when the adapter is inserted.

STOP

Initial screen 
for BEEP TEST

beep 

The DSP loop test has the following flow:

DSP

MIC

MIC AMP

POWER

 AMP

SPEAKER

Note : Incoming voice data from the MIC is outputted to the 
          speaker as it is.

Voice

Voice

VOICE

Voice

Voice

Battery voltage value 
(HEX value)

BATTERY display screen

The initial screen for DSP loop test displays the blinking characters
“DSP”. The DSP loop test is executed by pressing the  Bx  key
while the “DSP” characters are blinking. Pressing of the  x STOP
key during any display of DSP loop test will return you to the initial
screen for DSP loop test.
The volume can be changed by using the VOLUME+  or  VOLUME–
key. The volume value can be set to 0 to 30 levels, but is not displayed
on the screen when changed. The DSP loop test includes the
following displays:

STOP

STOP

STOP

SP MODE

LP MODE

HQ MODE

Initial screen for 

DSP LOOP TEST

Note: The volume value can be set to 0 to 30 levels, 

               but is not displayed on the screen when changed.

9

The reset menu is used to initialize menu contents. When this mode
is selected, the initial screen for reset menu displays the characters
“RST MENU”. Pressing of  Bx    key during “RST MENU”
character display will cause the menu information to be initialized.
The reset menu includes the following items:

Initialization 
of MENU contents 

Initial screen 
for RESET MENU

Note: The display remains unchanged 
         when the MENU is being reset.

The key test is intended to check whether any key pressed is
recognized or not (AD misdetection check). When this test mode is
selected, the initial screen for key test displays the blinking characters
“KEY TEST”. By pressing the  Bx  key while the “KEY TEST”
characters are blinking, the characters “PLAY” will be displayed
entering the key test screen.
Once the key test is started, the test will not be completed until all
of keys are pressed. To exit from the key test mode, turn the power
off (remove the power cord). The key test includes the following
key tests:

DIVIDE

FOLDER

ERASE

All of keys or switches completed 
to be pressed.

FlashMemory being accessed

(Initialization of MENU information)

Completed

KEY TEST screen

Initial screen for KEY TEST

STOP

DISPLAY

VOLUME–

VOLUME+

MENU

REC MODE

VOR

CONTINUE

ALARM

BEEP

SET DATE

SP

OFF

OFF

OFF

ON

No setting

x

STOP

Bx

>

+

.

–

zX

MENU

DISPLAY

VOLUME–

VOLUME+

FOLDER

ERASE

DIVIDE

STOP

PLAY

FF

REW

REC

MENU

DISP

VOL M

VOL P

FOL

ERASE

DIVIDE