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3-10. TEST MODE E (LXT821 in the RF unit (RF1),
DSP Set Value Writing Mode)
[Setting the Test Mode]
1. Turn the power on.
2. Press
[ERASE]
,
[OFF]
,
[5]
keys at a time.
3. When the test mode becomes active, an acknowledged tone is
generated, the LCD displays “TEST E EEPROM, AD=, DT=”,
and the handset waits for a command.
4. Enter 3-digit address of EEPROM and press the
[#]
key, and
the data at that address is read and AD=
[ ][ ][ ]
,
DT=
aaaaaaaa
are displayed on the LCD.
(
[ ][ ][ ]
: entered address,
aaaaaaaa
: read data)
5. Enter 8-digit (4 bytes) set value and press the
[#]
key, and the
entered value is written to the EEPROM.
Note
:For the DSP set value writing (addresses 6D8h to 6DAh), enter 6-
digit (3 bytes) value and press the
[PROGRAM]
key, and the check
sum is automatically calculated. (For the LXT821 register set value
writing, the check sum is not calculated automatically)
6. If pressing the
[*]
key during each setting operation, you can
cancel the operation and retry from the beginning.
7. The EEPROM addresses and parameters of the handset are
listed below.
• LXT821
Addr. 6D8h: 9Fh 1Ah 02h CSUM (44h)
Contents of Setting
Default Value
1st byte: AMUTE: Addr=10h (LXT821)
AMC
9fh
2nd byte: Div/TX power switching threshold RSSI
1Ah
3rd byte: TX power reduction threshold
RSSI
02h
• LXT821 REGISTER SETTING VALUE
1) 20 bytes of the addresses 6E0h to 6F1h are 9 pairs of LXT821
register values and initial parameters.
2) FFh is a terminator, and 83h is a complement of addition result
at addresses 6E0h to 6F2h.
3) Addresses 6F4h to 6FFh are idle area, and 6 pairs of register
values and initial values can be additionally set.
4) In the 32-byte area of LXT821 register value setting, the check
sum is not calculated automatically.
8. EEPROM addresses setting value are listed below.
Address
LXT821 register data
6D8h:
9Fh
1Ah
02h
CSUM (44h)
6E0h:
50h
03h
51h
08h
6E4h:
52h
08h
54h
0Dh
6E8h:
5Ah
06h
5Dh
02h
6ECh:
60h
0Bh
66h
0Fh
6F0h:
70h
07h
FFh
83h
6F4h:
—
—
—
—
6F8h:
—
—
—
—
6FCh:
—
—
—
—
[Releasing the Test Mode]
• Turn the power off.