SAMSUNG SPR5200 Service Manual

CONTENTS

1.Product Specification

2.Operations & Installation

2-1 Checking Parts

2-2 Control Locations

2-3 Connecting Lines

2-4 Installing Handset Batteries

2-5 Charging the Handset

2-6 Using the Handset Carrying Clip

2-7 Turning the Handset On/Off

2-8 LCD Window Icon Descriptions

2-9 Choosing Dial Mode

2-10 Making a Call

2-11 Camp On Busy

2-12 Receiving a Call

2-13 Caller ID Display

2-14 Out of Range Indication

2-15 Battery Level Indicator

2-16 Adjusting Voice Volume

2-17 Choosing Ring Type

2-18 Adjusting Ring Volume

2-19 Key Lock

2-20 Memory Dialing

2-21 Call Log

2-22 Last Number Redial

2-23 Call Time Display On/Off

2-24 Key Beep On/Off

2-25 Base Number Display On/Off

2-26 Tone Dial Switchover

2-27 Setting Ring Delay Time

2-28 Changing Flash Time (Only for German Model) 2-29 Changing PIN (Personal Identification Number) 2-30 Registered Recall

2-31 Barring Calls

2-32 Reset

2-33 Registering New Handset with Base

2-34 Paging

2-35 Intercom Between Handsets

2-36 Call Transfer

2-37 Operating with Additional Base Unit

3. Exploded View & Parts List

3-1 SP-R5200 HANDSET P/L

3-2 SP-R5200 HANDSET Exploded View

3-3 SP-R5200 BASE P/L

3-4 SP-R5200 BASE Exploded View

3-5 SP-R5200 CHARGER P/L

3-6 SP-R5200 CHARGER Exploded View

3-7 SP-R5200 PACKING P/L

3-8 SP-R5200 PACKING Exploded View

4. Electrical Parts List

4-1 SP-R5200 Hand Logic Parts List 4-2 SP-R5200 Hand RF Parts List 4-3 SP-R5200 Base Logic Parts List 4-4 SP-R5200 Base RF Parts List 4-5 SP-R5200 Charger Part List

4-6 Service Subsidiary materials

4-7 PCB Array

5. Block Diagram

5-1 SP-R5200 Base Logic Block Diagram

5-2 SP-R5200 RF Block Diagram

5-3 SP-R5200 Hand Block Diagram

6.PCB Diagrams

7.Schematic Diagrams

7-1 SP-R5200 BASE

7-2 SP-R5200_CLIP CIRCUIT

7-3 SP-R5200 HAND

7-4 SP-R5200 RF

7-5 SP-R5200 CHARGER

8. Trouble Shooting

8-1 Trouble Shooting of Handset Logic

8-2 Trouble Shooting of Handset RF Module

8-3 Trouble Shooting of Baseset

8-4 Trouble Shooting of Baseset RF Part

9. Test Jig Usage

1. Product Specification

	Item	Description
	Frequency Range	1881.792MHz~1897.344MHz
	Channels	120 Duplex Channels
	Channel Separation	1,728MHz
	Carrier Power	²250mW (24dBm)
	Modulation	GFSK
	Frequency Stability	² ± 50kHz
		Standby Mode : 120hr
	Operation Time	Talk Mode : 12hr
		Charging time : 15hr
	Ambient Temperature	Normal : 15˚C~35˚C
		Extreme : 0˚C~40˚C
	Humidity	0%~90%
	Weight	Baseset : 159.1g
		Handset : 172.5g
	Dimensions	Baseset : 176 91 50
		Handset : 156 57 27mm
	Power Supply	Baseset Input : DC 9V 400mA, DC 9V 150mA
		Handset Input : 2.4V, 700mA (Ni-CAD)
	Compliance	TBR 6
		TBR 10

Product Specification

1-1

2. Operations & Installstion

2-1 Checking Parts

Once you have unpacked your phone, check to make sure that you have all the parts shown below. If any piece is missing or broken, please call your dealer.

Base

Handset

Adapter

Line Cord

Two AA Batteries	Service Manual
(Rechargeable Ni-Cd batteries)

2-1	Operations & Installation

2-2	Control Locations
2-2-1	Handset
			Antenna
			Earpiece
			LCD window
				button
		INT	Makes, answers, or ends a call.
	C/R	OK	INT button
			Activates intercom communications.
	2ABC		▲ or ▼ button
			Scrolls through menus. Also adjusts volume.
	1	3DEF
	5JKL	6MNO	C/R button
	4GHI
	8TUV		Clears characters from the display. Also performs a
		9WXYZ	switch-hook operation such as call waiting.
	7PQRS
	0		OK	button
			Confirms the selection. Also powers on/off.
				button
			Redials the last number you dialed. Also adds
			a pause when storing a number in memory.
	Microphone

Rear

Lamp

Carrying clip

Battery cover

Charging

points

Operations & Installation

2-2

2-2-2 Base

SP-

R5200

Paging button

Allows you to page the handset. Also used to register a new handset with the base.

Line lamp

Blinks when a call comes in and lights steadily when a call is in progress.

Base Bottom

DC POWER socket

Phone Line socket

DC9V

LINE

2-3	Operations & Installation

2-3 Connecting Lines

1.Connect one end of the telephone line cord to the phone line socket on the bottom of the base unit, and the other end to a standard phone wall jack.

2.Connect the modular end of the power adapter to the DC power socket on the bottom of the base unit, and the other end to a standard AC wall outlet.

To AC wall outlet

To phone wall jack

LINE

3. Route the cords through the recessed channel

DC9V

LINE

Operations & Installation

2-4

2-4 Installing Handset Batteries

The handset uses the two AA size rechargeable Ni-MH or Ni-Cd batteries supplied. 1. Slide the battery cover in the direction of the arrow, then lift it off.

2.Remove old batteries if any, then insert new batteries observing correct polarity ( + , - ). Reversing the orientation may damage the handset.

2-5	Operations & Installation

3. Replace the battery cover. Make sure that the cover is hooked in place.

4. Slide the cover up until it snaps shut.

Notes:

•The batteries need to be replaced if they do not recover their full storage capacity after recharging.

•When replacing batteries, always use good quality Ni-MH or Ni-Cd rechargeable AA size batteries. Never use other batteries or conventional alkaline batteries.

Operations & Installation

2-6

2-5 Charging the Handset

Before initial operation, you should fully charge the handset for more than 15 hours.

To charge the handset, simply place it on the base unit.

The handset can be charged either face up or face down.

Result: When the handset batteries are charging, the handset automatically turns on and the battery icon on the left corner of the display is scrolling.

7

4

PQRS

GHI

0

			C/R
1		2	ABC
	5JKL			3
8	TUV		6	MNO
	9	WXYZ

OK

ON

DEF

INT

The lamp comes on while charging.

2-7	Operations & Installation

2-6 Using the Handset Carrying Clip

The supplied handset carrying clip allows you to conveniently carry the handset with you. It clips easily to your belt, waist band, or shirt pocket.

To Attach the Carrying Clip

Attach the carrying clip to the back of the handset. The carrying clip fits into the grooves on the back of the handset as shown. Make sure that the carrying clip locks into place.

To Remove the Carrying Clip

Insert a coin or screw driver into the and twist to release. Then lift it off.

Operations & Installation

2-8

2-7 Turning the Handset On/Off

When you place the handset in the base unit to charge it, the handset automatically turns on. To turn the handset on or off in Standby mode, follow these steps:

1.To turn on the handset when the display is off, press OK button.

Result: All segments in the LCD window turn on briefly, then the phone switches to the Standby mode. The phone is now ready for use. The display shows the handset number and the base number as shown below.

Handset		Base number

2.To turn the handset off, press and hold OK button for about three seconds until appears in the display.

Result: appears, then the display turns off.

Notes:

•If you purchase an additional handset, you must register the handset to a base. If not, the display

shows when you turn it on and the handset will not work. Refer to ‘Register New Handset with Base’ on page 2-33.

•Nothing will appear in the LCD window when battery power is very low. You should fully charge the handset before operation.

2-9	Operations & Installation

2-8 LCD Window Icon Descriptions

Battery status icon In range icon

Memory icon

Line/Intercom/icon

Handset key lock icon

Volume level icon

2-9 Choosing Dial Mode

In order to provide compatibility with most telephone systems, your phone can be set to either pulse-dialling (same as rotary), or tone dialling (DTMF). Your phone is preset to tone mode.

1.Press ▲ or ▼ button repeatedly until appears.

2.Press OK button to access the menu.

Result: The display shows the current setting; ‘TONE’ or ‘PULSE’.

3.Press ▲ or ▼ button to choose the desired mode.

4.Press OK button to confirm.

Operations & Installation

2-10

2-10 Making a Call

1.Pick up the handset and press button. You hear a dial tone.

2.Dial the desired number by using the number keypad.

Note:

You can store telephone numbers into one-digit memory cells (0-9) and dial the numbers using the assigned memory cell number. Refer to ‘Memory Dialing’ on

page 2-20.

3.When the other person answers, speak.

4.To end the call, either press button or replace the handset on the base unit.

Notes:

•If you turn the ‘Call Time Display’ feature on, the LCD window displays the call time. For details, see ‘Call Time Display’ on page 2-23.

•To make a call to the last number you dialed, use the ‘Redial ‘ feature. For details, refer to ‘Last Number Redial’ on page 2-23.

You can enter the desired phone number in Standby mode, and then dial the number. This way of dialing allows you to make corrections to the number before dialing. Follow these steps:

1.Enter a telephone number. Check the number in the LCD window.

Notes:

•If you make a mistake while entering a number, press C/R button to clear the last digit and correct the number.

•If you press and hold C/R button for more than one second, all digits you have entered are cleared and the phone returns to the Standby mode.

2. When the number appears correctly, press button.

2-11	Operations & Installation

2-11 Camp On Busy

(This feature is available only when you have more than one handset)

This feature allows your handset to wait for connection to the telephone line currently engaged by another handset. Your handset rings when the telephone line becomes free.

1.You hear a short busy tone if you press button while another handset engages the telephone line.

Result: Your handset is automatically camped on the line.

Note: To cancel this feature, press button any time before the line is free. The handset returns to Standby mode.

2.Your handset rings and the window displays when the line becomes free.

3.Press button to engage the line while the handset rings. (Press the button within 10 seconds, or the handset returns to Standby mode.)

Notes:

•If an incoming call arrives while your handset rings to tell you the line is free, the ‘Camp On Busy’ feature is automatically cancelled and an incoming ring sounds.

•Several handsets can be camped on the busy line in chronological order. When the line becomes available to you, the LCD window displays , and other handsets will display your handset number following the word .

Operations & Installation

2-12

2-12 Receiving a Call

1.When an external call comes in, the phone rings.

Result: The icon on the display blinks, and the green lamp on the back of the handset flashes.

2.To answer the call, press button.

Or

If the handset is on the base unit, simply lift it up. You do not need to press button.

Result: You are connected and the base lamp light is steadily on.

Note: button and INT button does not work for 3 seconds to prevent the phone from being disengaged, right after you lift the phone from the base unit to receive the call.

3. You can speak. To end the call, either press button or replace the handset on the base unit.

Note:

If you set the ‘Ring Delay Time’ feature to on, you can turn the handset ringer off for the specified time when a call comes in and other handsets are ringing. Refer to ‘Setting Ring Delay Time’ on page 2-27.

2-13	Operations & Installation

2-13 Caller ID Display

Caller ID is a feature available on your phone which helps you to know who is calling by displaying the caller’s number when the phone rings. Contact your service provider to activate this feature.

This icon blinks when the phone rings.

the caller’s number

Notes:

• If there is a missed call (the call not answered), the missing call number appears in the display.

There are two missed calls.

Your phone keeps track of the last 10 calls received. Refer to ‘Call Log’ on page 2-21 to check and dial the numbers.

•If a caller has chosen to withhold their number, is displayed.

•If a caller’s number is not available, you will see in the display.

Operations & Installation

2-14

2-14 Out of Range Indication

If the handset is too far from the base unit, the handset cannot properly engage the telephone line, and the icon blinks in the LCD window.

This icon blinks when the handset is out of range in the standby mode.

If you move out of range during a call, the telephone line might be disconnected and the handset returns to Standby mode. Check if the icon blinks in the LCD window. If so, move the handset closer to the base unit.

2-15 Battery Level Indicator

A icon is continuously displayed in the upper line of the LCD window. The icon shows the level of your battery. The more bars you see, the more power you have left.

Full			Flat

When the battery is weak and a few minutes of talk time remain, you will hear a warning tone and the icon blinks.

When the battery becomes too weak for the phone to operate, the handset will automatically turn off. Place the handset on the base unit to charge the handset batteries.

2-15	Operations & Installation

2-16 Adjusting Voice Volume

During calls, ▲ or ▼ button affects the ear piece volume. You can adjust the volume from level 1 to 5 , and it is preset to level 3. The voice volume is displayed as bars on the upper right corner of the LCD window.

The more bars you see, the louder the volume is.

Ear piece volume indicator

2-17 Choosing Ring Type

You can define your own ringing sound. Six ring types are available.

1.Press ▲ or ▼ button repeatedly until appears.

2.Press OK button.

3.Press ▲ or ▼ button to choose the ring type you want.

Result: Each time you press ▲ or ▼ button, the handset sounds the ring you have chosen.

4.Press OK button to confirm.

Operations & Installation

2-16

2-18 Adjusting Ring Volume

1.Press ▲ or ▼ button repeatedly until appears in the display.

2.Press OK button to access the menu.

Result: The current ring level is displayed. You can hear the volume loudness.

3.Press ▲ or ▼ button to choose the volume level you want.

Result: You can adjust the volume from level 1 to 3. The higher, the louder. You can also turn the ringer OFF. Each time you press. ¹ or † button, the handset sounds its selected loudness. The default is ‘level 2’

4.Press OK button to confirm.

Note: Setting ‘Level Off’ turns the ringer off. When a call comes in, only the lamp on the back of the handset blinks and the icon in the window will blink.

2-19 Key Lock

If you turn this feature on, all buttons except for OK button will be locked and not operate at all.

When a call comes in, you can answer calls by using button or INT button. But when you finish the call, the phone returns to the lock mode.

This feature is useful to avoid accidental key pressing.

1.To turn the feature on, press and hold OK button for about 1.5 seconds until the icon appears in the display.

2.To turn the feature off, press and hold OK button for about 1.5 seconds until the icon disappears in the display.

Notes:

•If power failure occurs, the ‘Key Lock’ feature is automatically cancelled.

•Do not hold OK button for more than three seconds, or the handset will turn off.

2-17	Operations & Installation

2-20 Memory Dialing

2-20-1 To Store (or Edit) Numbers In Memory

You can store the most frequently used phone numbers into one-digit memory cells (0-9).

1. Press ▲ or ▼ button repeatedly until

appears in the display.

2.Press OK button.

Result: The first memory cell (0) containing a phone number, if already stored, is displayed.

3.If you want to find another memory cell, press ▲ or ▼ button and choose the cell under which you want to save a number.

4.Enter the desired number (up to 24 digits).

Note: If you make a mistake while entering a number or if you want to edit a number, press the C/R button. Each time you press the button, the last digit is cleared. To clear all digits, press and hold the C/R button. Then enter the correct number.

5.Press OK button to confirm.

2-20-2	Using a Pause
If you want to insert a dialing pause between numbers, press the		button.
Result:	appears at the pause entry. A pause is useful when you access an interactive voice response system,

such as an automated banking system. To Dial a Number In Memory

Press and hold the cell number for more than one second.

Result: The display shows the phone number stored into the selected cell and the phone automatically dials the number.

To Dial a number In MEMORY

2-20-3 To Search For a Number In Memory

1.Press ▲ or ▼ button repeatedly until appears in the display.

2.Press OK button.

3.Scroll through the memory and choose the desired number by using ▲ or ▼ button.

Result: The display shows the phone number stored under the selected cell.

Operations & Installation

2-18

4.Press button.

Result: The number is automatically dialed.

2-20-4 To Erase All Numbers In Memory

If you reset the handset, all numbers stored in memory are erased. Refer to ‘Reset’ on page 2-32.

2-21 Call Log

When you receive a call, the caller’s phone number is shown on your phone’s display if it is available from the network on which the call was made. The last 10 numbers received are stored in your phone and you can view the list and dial the numbers.

2-21-1 To View and Dial the Numbers

1.Press ▲ or ▼ button repeatedly until appears.

2.Press OK button.

Result: The LCD window shows the last caller’s number, and the date and time when the call was received if the information has been transmitted from the network with the caller’s number. If there is no number received, is displayed.

3.Scroll through the memory and choose the desired number by using ▲ or ▼ button.

4.Press button to dial the selected number.

Notes:

•Your phone stores up to 20 digits for each caller’s number. If there are hidden digits not displayed, the former part scrolls to the left and the latter part of the number appears.

•The last number is stored in the memory cell ‘0’. When a new call is received, the previous number is shifted to the next cell ‘1’, allowing the new number to be stored in this position. The oldest number is automatically erased.

2-21-2 To Erase All Numbers Received

1. Press ▲ or ▼ button repeatedly until

appears.

2. Press OK button.

Result: You hear a beep and the phone returns to the Standby mode.

2-19	Operations & Installation

2-22 Last Number Redial

Your phone allows you to call the most recently dialed numbers again. The phone stores the last 10 numbers you called.

2-22-1 To View and Dial the Numbers

1.Press button.

Result: The LCD window displays the last number you dialed.

2.If you want to scroll through the memory, press ▲ or ▼

button until you find the desired number you want to call.

3. Press button to dial the number.

Notes:

•If there is no number dialed, the message is displayed.

•Each time you dial a new number, the oldest number stored in the redial memory is automatically erased, and the redial memory is updated.

•You can modify the number displayed before pressing button by using C/R button.

•If you press button, followed by button, the phone dials the last number immediately.

2-22-2 To Erase All Numbers in Redial Memory

1.Press ▲ or ▼ button until appears in the display.

2.Press OK button.

Result: All numbers are cleared.

Operations & Installation

2-20

2-23 Call Time Display On/Off

If you turn the feature on, the handset automatically times the duration of calls. The handset displays the call duration both during your call and also for a few seconds after your call is completed. The feature is preset to ‘OFF’.

1.Press ▲ or ▼ button repeatedly until appears.

2.Press OK button.

Result: The display shows the current setting.

3.Press ▲ or ▼ button to turn the feature On or Off.

4.Press OK button to save the selected mode.

2-24 Key Beep On/Off

The feature is preset to ‘ON’ at factory. You can set your handset not to sound the key beep each time you press a button.

1.Press ▲ or ▼ button repeatedly until appears.

2.Press OK button.

Result: The display shows the current setting.

3.Press ▲ or ▼ button to turn the feature on or off.

4.Press OK button to save the selected mode.

2-21	Operations & Installation

2-25 Base Number Display On/Off

This feature allows the phone to display the base number

currently in use while in Standby mode. The feature is preset to ‘On’ at factory.

1.Press ▲ or ▼ button until appears in the display.

2.Press OK button.

Result: The display shows the current setting.

3.Press ▲ or ▼ button to change the current status.

4.Press OK button to save the selected mode.

2-26 Tone Dial Switchover

To access certain services such as voice mail or interactive telephone system features, it is necessary to use tone dialing. When your phone is set to the pulse mode, DTMF dialing is available.

1. Press the asterisk ( ) while on the phone in the pulse dial mode.

Result: Your phone is converted to the tone dial mode temporarily.

2.When you finish the call, the phone automatically returns to the pulse mode.

Note: If you press the C/R button during a call, the phone also returns to the pulse mode.

Operations & Installation

2-22

2-27 Setting Ring Delay Time

If you activate the ring delay time, your handset will not ring for the specified delay time while other handsets are ringing. If you wish, you can answer the call within the delay time on your handset.

1.Press ▲ or ▼ button repeatedly until appears.

2.Press OK button.

Result: The display shows the current status; for example,

or

.

3.Press ▲ or ▼ button until you choose the desired delay time.

Result: You can choose from ‘Off’ to 60 seconds using

increments of 5 seconds. Selecting ‘Off’ deactivates the feature.

4.Press OK button to save the setting.

2-28 Changing Flash Time (Only for German Model)

This feature allows you to change the flash time.

1.Press ▲ or ▼ button until appears in the display.

2.Press OK button.

Result: The display shows the current status; for example, (90 ms) or (250ms)

3.Press ▲ or ▼ button to change the setting.

4.Press OK button to save the setting.

Note: The factory default is set to ‘Langer Flash’.

2-23	Operations & Installation

2-29 Changing PIN (Personal Identification Number)

The PIN is required when you bar calls or register handsets to a base unit. The PIN is preset to ‘0000’ at factory. You can change the PIN code.

1.Press ▲ or ▼ button repeatedly until appears in the display.

2.Press OK button.

3.Enter the currently used PIN code.

Result: The LCD window dose not display the PIN code you entered in order to maintain secrecy.

Note: If you enter a wrong PIN code, your phone returns to Standby mode.

4.Enter the new PIN code you want.

Note: It must be 4 digits. If you enter a wrong number, you can correct the number by using the C/R button.

5.Press OK button.

6.Enter the new PIN code again to confirm the number.

Note: If you change the PIN code and then forget it, you will have to contact service center.

2-30 Registered Recall

The C/R button is used in conjunction with special services such as ‘Call waiting’ which may be offered by your telephone company. You can place a new call directly after a call or transfer a call to another extension under PABX, using this feature.

To send a flash, simply press C/R button while the line is engaged.

Result: The display shows .

Operations & Installation

2-24

2-31 Barring Calls

•It is possible to set the phone to restrict numbers that can be dialed. The phone cannot dial a phone number beginning with the specific numbers that you specify.

•You can set up to 4 restricted numbers containing up to 4 digits each.

•If you turn the feature on, the handset requires a PIN code when the restricted number is dialed. If you enter a wrong number, your phone returns to the Standby mode. If you enter a correct PIN, you can make calls.

Note: You can make an emergency call (112, 999) even when you activate the outgoing call barring option.

2-31-1 To Set Call Barring Numbers

1. Press ▲ or ▼ button repeatedly until

appears.

2.Press OK button.

3.Enter the PIN code.

Result: If the correct PIN is entered, the first barring cell

containing a restricted number, if already registered, appears.

4.If you want to choose another barring cell, press ▲ or ▼ button.

Result: Each time you press the button, ‘no 1’ through ‘no 4’ appears.

5.Enter the number you want to restrict. This can be up to four digits.

Note: If you make a mistake while entering a number to restrict, use the C/R button to delete the last digit, then correct the number.

6.Press OK button when you finish entering the number.

2-31-2 To Deactivate a Specific Call Barring Number

You can selectively deactivate restricted numbers by erasing them.

1. Press ▲ or ▼ button repeatedly until

appears.

2.Enter the PIN code.

Result: The first barring cell containing a restricted number, if already registered, appears in the display.

3.If you want to choose another barring cell, press ▲ or ▼ button.

4.When the cell contains the restricted number you want to erase appears in the display, press and hold C/R button.

5.Press OK button to confirm.

2-25	Operations & Installation

2-32 Reset

If you reset the handset, all the user-selectable features return to the manufacturer’s default status as shown below:

• Voice Volume: Level 3	• Call Barring: Off
• Ring Level: Level 2	• Ring Delay: Off
• Ring Type: Type 1	• Auto Find: Off
• Key Beep: On	• Base Number display: On
• Call Time display: Off	• PIN Number: 0000

Note: Dial type is not changed if you reset the handset.

1.Press ▲ or ▼ button repeatedly until appears.

2.Press OK button.

3.Enter the PIN code.

4.Press OK button.

Operations & Installation

2-26

2-33 Registering New Handset with Base

Up to six handsets can be registered and operated from your base unit. The system allows you to make internal calls between two handsets while a third is making an call.

The supplied handset with the base unit is already registered as handset 1. Each additional handset you purchase must be registered to the base unit.

2-33-1 To Register a Handset

1. Press ▲ or ▼ button repeatedly until	appears in the display, then press OK		button.

2.Enter the PIN code, then press OK button.

3.Press ▲ or ▼ button repeatedly to choose the base number you want to specify for the base.

4.Press and hold the button on the base unit for more than 3 seconds until the lamp on the base unit blinks.

SP-

R5200

Press the button to access registration mode.

5. Press OK button on the handset.

Result: appears for a short time, then the LCD window displays the ID of the base unit.

6. Press OK button.

Note: Do not press ▲ or ▼ If there is another base which is accidentally ready to accept the handset, the base ID will be shown in the display. To exit, press and hold C/R button, then start over again.

7.Enter 9234, the Authentication Code, which is preset at factory.

Result : When the registration is properly completed, the LCD window displays the base number on the right corner and the handset number on the left corner of the

display.

8. Press OK button.

Note: If you have registered the handset to several bases, and the base number you select at step 3 is already used for another base, warning appears. If you press OK button, the old information is cleared and the base number will be newly used for your newly selected base. To keep old information, press and hold C/R button to cancel the setting, then start over again with a different base number.

2-27	Operations & Installation