Test Mode - Sony SPP-A941 Service Manual
Cordless telephone with answering system
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Also See for SPP-A941:
- Operating instructions manual (88 pages) ,
- Service manual (46 pages) ,
- Service schematics (8 pages)
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BASE UNIT
1. Entering the Test Mode
[HANDSET LOCATOR]
1. While pressing the
power ON, then change over the
"PULSE" to "TONE" within 4 seconds.
2. When enter the test mode, Light up the
[IN USE]
LEDs.
2. Change the Mode
[HANDSET LOCATOR]
Press and hold the
onds to change the mode like Mode 1, Mode 2, Mode 3, Mode 4,
Mode 1....
Mode 1:
[CHARGE]
LED : Lights up.
Function
: Change the channel.
Operation
: Each time the
is pressed momentarily, change the channel
like 0, 1, 2...9, 0... (default channel is 5ch)
Mode 2:
[CHARGE]
LED : Goes off.
Function
: Toggle TX power.
Operation
: Each time the
is pressed momentarily, change over ON/
OFF. (default status is ON)
Mode 3:
[CHARGE]
LED : Lights up.
Function
: Not used in servicing.
Mode 4:
[CHARGE]
LED : Goes off.
Function
: Transmit the tone signal for 3 seconds.
Operation
: Press the
mentarily to transmit the tone signal, and
blinks the
Each time transmit it, then change the fre-
quency of signal tone like 697 Hz, 770 Hz,
852 Hz, 941 Hz, 1209 Hz, 1336 Hz, 1477
Hz, 1633 Hz, 697 Hz... (default frequency is
697 Hz)
3. Releasing the Test Mode
Disconnect the power.
SECTION 3
TEST MODE
key, turn the
[DIAL MODE]
switch from
[CHARGE]
key for about 2 sec-
[HANDSET LOCATOR]
[HANDSET LOCATOR]
[HANDSET LOCATOR]
key mo-
[CHARGE]
LED.
HANDSET
1. Entering the Test Mode
1. Press two keys of
2. When enter the test mode, the happy tone is emitted.
2. Key Functions
and
[CHANNEL]
key
• Change the channel. (Each time the
pressed, change the channel like 0, 1, 2...9, 0... (default chan-
nel is 5))
• Refresh PLL, RX/TX counters.
[PGM]
key
• Toggle TX power. (ON: lights up the
LED)
• Refresh PLL, TX counters.
key
[SPEED DIAL]
key
• Toggle RX power.
• Refresh PLL REF, RX/TX counters.
[REDIAL]
key
• Toggle TX attenuator.
key
• Refresh PLL status register.
[TALK]
key
• Change PLL gain mode. (lowest → highest (4 steps))
[OFF]
key
• Exit the test mode and emit the sad tone.
Note: All keys pressed will emit the key tone.
– 13 –
[3]
[#]
and
simultaneously.
[CHANNEL]
[TALK/BATT LOW]
key is
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