Sony SPP-N1025 - Cordless Telephone, Руководство по обслуживанию

Страница: 10 / 30

10
SPP-N1025/N1026
18.
Condition: Press the
[SPEED]
key.
Operation: Cleaar all two touch memory from EEPROM.
Indication: Beep tone is emitted.
19.
Condition: Press the
[SPEAKERPHONE]
key.
Operation: Release thetestmode.
Indication: Beep tone is emitted.
4. Data Link
Data bits are encoded in manchester format for which bit “0” is
represented by 500
µ
s low and 500
µ
s high while bit “1” by 500
µ
s high and 500
µ
s low.
If data transmission is enabled, it will transmit data packet with
the following fields continuously.
(“0”=500
µ
s low and “1”=500
µ
s high)
• 8 bit preamble :0101010101010101
• 8 bit word sync :0110010010010110
• 20 bit security code :Restored from EEPROM
• 4 bit reserved data
:01010101
• 8 bit command :0101010101010101
• 8 bit data :0101010101010101
If data transmission is enabled, it will toggle the
[LINE]
LED every
time when a data packet is received. (No security code would be
checked)
HANDSET
1. Entering the Manual Test Mode
1. Press the
[PGM]
key.
2. Select the “DIAL MODE” menu by pressing v or V keys.
3. Press the key sequence
[SELECT]
,
[2]
,
[1]
,
[0]
,
[4]
.
4. When enter the test mode, happy tone is emitted, and the LCD
displays as shown below.
2. Default Settings
• Channel set to 14. (out of 00 to 29)
• Combo set to active mode.
(0: inactive mode, 1: RX mode, 2: active mode)
• TX audio path unmuted. (0: unmuted, 1: muted)
• RX audio path unmuted. (0: unmuted, 1: muted)
• Date transmission disabled. (0: disabled, 1: enabled)
• Battery detection.
(“ E ” icon on: RSSI detection, “ E ” icon off: battery detection)
3. Key Definition
[1]
key
Operation: Set combo to inactive mode.
Indication: CB=0
[2]
key
Operation: Set combo to RX mode.
Indication: CB=1
[3]
key
Operation: Set combo to active mode.
Indication: CB=2
[4]
key
Operation: Increment channel by 1.
Indication: CH=CH+1
[5]
key
Operation: Mute TX audio path.
Indication: TxM=1
[6]
key
Operation: Mute RX audio path.
Indication: RxM=1
[7]
key
Operation: Decrement channel by 1.
Indication: CH=CH–1
[8]
key
Operation: Mute TX audio path.
Indication: TxM=0
[9]
key
Operation: Mute RX audio path.
Indication: RxM=0
[0]
key
Operation: Start LCD segment test.
Indication: Various patterns shown on LCD for a few seconds.
[*]
key
Operation: Set combo to active mode.
Enable data transmission.
Indication: DA=1
[#]
key
Operation: Disable data transmission.
Indication: DA=0
[ONE TOUCH]
key
Operation: Switch to RSSI detection.
Indication: “
E ” icon turns off.
[REDIAL]
key
Operation: Switch to battery detection.
Indication: “
E ” icon turns on.
[OFF]
key
Operation: Release the test mode.
Note: All keys pressed will emit the key tone.
4. Data Link
Data bits are encoded in manchester format for which bit “0” is
represented by 500
µ
s high and 500
µ
s low while bit “1” by 500
µ
s low and 500
µ
s high.
If data transmission is enabled, it will transmit data packet with
the following fields continuously.
(“0”=500
µ
s low and “1”=500
µ
s high)
• 8 bit preamble :1010101010101010
• 8 bit word sync :1001101101101001
• 20 bit security code :Restored from EEPROM
• 4 bit reserved data
:10101010
• 8 bit command :1010101010101010
• 8 bit data :1010101010101010
No matter data transmission is enabled or not, it toggles the
“NEW” icon every time when a data packet is received. (No secu-
rity code would be checked)