Sony SPP-N1001, Service Manual

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SECTION 3

TEST MODE

BASE UNIT MANUAL TEST MODE

1 Base Unit Manual 

Test Mode Startup Procedure

1. Turn on the power while holding down the HANDSET LO-

CATOR key, then perform the following steps within 10 sec-
onds.

2. Set Charge ON (Place the handset on the base unit).
3. Set Charge OFF (Remove the handset).
4. Set Charge ON.
5. Set Charge OFF.
6. Release the HANDSET LOCATOR key.
7. Press the HANDSET LOCATOR key twice. (Transmit power

turns on. Default Channel = 1)

2 Changing Channels

The current channel number increases by 1 each time the HAND-
SET LOCATOR key is pressed after shifting to test mode. Chan-
nel 1 is the default channel.
After being in CH32, pressing the HANDSET LOCATOR key
returns to CH1.

CHANNEL MAP

Handset TX

Handset RX

CH

Base RX

Base RX

(MHz)

(MHz)

1

  902,200

  924,900

2

  902,300

  925,000

3

  902,400

  925,100

4

  902,500

  925,200

5

  902,600

  925,300

6

  902,700

  925,400

7

  902,800

  925,500

8

  902,900

  925,600

9

  903,000

  925,700

10

  903,100

  925,800

11

  903,200

  925,900

12

  903,300

  926,000

13

  903,400

  926,100

14

  903,500

  926,200

15

  903,600

  926,300

16

  903,700

  926,400

 17

  903,800

  926,500

18

  903,900

  926,600

19

  904,000

  926,700

20

  904,100

  926,800

21

  904,200

  926,900

22

  904,300

  927,000

23

  904,400

  927,100

24

  904,500

  927,200

25

  904,600

  927,300

26

  904,700

  927,400

27

  904,800

  927,500

28

  904,900

  927,600

29

  905,000

  927,700

30

  905,100

  927,800

31

  902,000

  924,700

32

  905,300

  928,000

HANDSET MANUAL TEST MODE

1 Handset Manual 

Test Mode Startup Procedure

1. Hold down the TALK key for at least 2 seconds while pressing

the 0 and 1 keys in idle.

2. The call bell rings for half a second (500 msec) as test mode

starts up.
(Status after startup is called Test Idle mode).

2 Detecting Electromagnetic Intensity (RSSI)

After test mode starts up, electromagnetic intensity (RSSI) is mea-
sured. The TALK led lights up if the electromagnetic intensity
exceeds a certain level (Level indicating RF during normal re-
ceive scanning).

3 Key operation in 

Test Idle Mode

The following keys function as shown during test idle mode.

KEY

DESCRIPTION

REMARKS

CHANNEL Increments channel by +1 each

timepressed. Pressing

Default CH=1

CHANNEL after being in CH32
returns to CH1.

1

Transmit power on

Default TX

4

Transmit power off

= off

2

Receive mute off

Default RX

5

Receive mute on

mute = off

3

RSSI sensitivity setting HIGH

Default level

6

RSSI sensitivity setting HIGH

= High

SPEED

Half-mute off

DIAL

Default

REDIAL/

Half-mute on

HMUTE = off

PAUSE

Telephone receiver volume

Default volume

FLASH

selector (HIGH 

t

 MID 

t

NORMAL 

t

  HIGH)

= High

OFF

Quit test mode

Using the following keys in test idle mode shifts operation to a
specific mode. Shifting to these modes disables the key operations
in the above table. Pressing the OFF key returns to test idle mode.

KEY

DESCRIPTION

REMARKS

7

Power saving measurement
mode 1 (in call status)

8

Power saving measurement
mode 2 (in call receive)

9

Power saving measurement
mode 3 (in standby)

    (STAR)

Shifts to destination check mode

# (POUND)

Shifts to battery voltage test
mode