Patterson Digital Apex Locator Quick Manual Download Page 2

Replacing the battery

Remove the battery housing with the display panel facing down, and take out the battery. Insert 
a new CR2450 battery into the housing, with the + terminal according to the + sign. 

pic. 14, 15

Connect the strap 

2

 to the adaptor 

3

. Use the 

strap best suited to the micro-motor diameter 
(19-22, 22-24 or 24-27). 

pic. 2

Put the adaptor 

3  

onto the micro-motor, 

positioning the metal tab 

A

 on the E-type 

connection while pushing the tab toward the 
micro-motor, ensuring a snug fit. 

pic. 3+4

Secure the strap around the micro-motor 
locking the two pins on either side of the strap 
into place. 

pic. 5

Complete assembly by sliding the Rider 

1

  into 

its track on the adaptor. 

pic. 6

Connect the handpiece to the micro-motor. 

pic. 7

To activate the Rider, make contact between 
the lip hook and the file. 

pic. 11

Once activated, the LEDs will flash in sequence 
as a “self-check”. When the file reaches 2.00 
mm from the apical constriction, the LEDs will 
light and an alarm will sound. The frequency of 
the alarm increases as the file nears the apical 
constriction. This is a particularly sensitive area 
when working with a handpiece, and use of a 
file beyond this point requires great caution. 
When the file reaches the apical constriction, 
the red “APEX” LED lights and the warning 

A

Connect the lip hook cable to the 
socket on the 

right

 side of the device 

(the side with the LEDs and the printed 
lip hook symbol       ) 

pic. 8.

 Position the 

lip hook over the lip, on the opposite 
side to the side being treated. 

pic. 9

Using the Rider in Manual Mode

Using the Rider in "Riding Mode"

The “Rider” can be used in three modes:

Manual Mode:

 Independently with a manual endo file

Riding Mode:

 Assembled and “riding” on a rotary handpiece

Satellite Mode:

 Disassembled but attached to a rotary handpiece with a wire.

Connect the two lead wires 

6

 to the 

device 

1

. Attach the lip hook 

5

 and file 

holder each to one lead wire.

The device can be protected by inserting it into a plastic sleeve. 

pic. 16

1

2

4

3

7

6

5

2

3

4

5

6

7

8

9

Setting up the Rider

Using the Rider in "Satellite Mode"

alarm reaches a higher frequency. If the file 
passes the apex the warning alarm will reach 
the highest frequency and the “-0.00” (past 
apex) LED will flash.

Note:

 The Rider’s battery is assembled. Remove the protective plastic tab that insulates the 

battery from contact by pulling out firmly. 

pic. 13

Maintenance

Slide the satellite connector 

4

 into place on 

the adaptor 

3

. Insert the pin (plug) of the 

extension cable 

7

 into the hole in the satellite 

connector 

4

 and connect the cable to the 

apex locator (right or left side).
Connect the lip hook cable to the remaining 
side of the apex locator. 

pic. 10

E-type handpiece 

10

11

12

13

14

16

15

Replacing the battery

Remove the battery housing with the display panel facing down, and take out the battery. Insert 
a new CR2450 battery into the housing, with the + terminal according to the + sign. 

pic. 14, 15

Connect the strap 

2

 to the adaptor 

3

. Use the 

strap best suited to the micro-motor diameter 
(19-22, 22-24 or 24-27). 

pic. 2

Put the adaptor 

3  

onto the micro-motor, 

positioning the metal tab 

A

 on the E-type 

connection while pushing the tab toward the 
micro-motor, ensuring a snug fit. 

pic. 3+4

Secure the strap around the micro-motor 
locking the two pins on either side of the strap 
into place. 

pic. 5

Complete assembly by sliding the Rider 

1

  into 

its track on the adaptor. 

pic. 6

Connect the handpiece to the micro-motor. 

pic. 7

To activate the Rider, make contact between 
the lip hook and the file. 

pic. 11

Once activated, the LEDs will flash in sequence 
as a “self-check”. When the file reaches 2.00 
mm from the apical constriction, the LEDs will 
light and an alarm will sound. The frequency of 
the alarm increases as the file nears the apical 
constriction. This is a particularly sensitive area 
when working with a handpiece, and use of a 
file beyond this point requires great caution. 
When the file reaches the apical constriction, 
the red “APEX” LED lights and the warning 

A

Connect the lip hook cable to the 
socket on the 

right

 side of the device 

(the side with the LEDs and the printed 
lip hook symbol       ) 

pic. 8.

 Position the 

lip hook over the lip, on the opposite 
side to the side being treated. 

pic. 9

Using the Rider in Manual Mode

Using the Rider in "Riding Mode"

The “Rider” can be used in three modes:

Manual Mode:

 Independently with a manual endo file

Riding Mode:

 Assembled and “riding” on a rotary handpiece

Satellite Mode:

 Disassembled but attached to a rotary handpiece with a wire.

Connect the two lead wires 

6

 to the 

device 

1

. Attach the lip hook 

5

 and file 

holder each to one lead wire.

The device can be protected by inserting it into a plastic sleeve. 

pic. 16

1

2

4

3

7

6

5

2

3

4

5

6

7

8

9

Setting up the Rider

Using the Rider in "Satellite Mode"

alarm reaches a higher frequency. If the file 
passes the apex the warning alarm will reach 
the highest frequency and the “-0.00” (past 
apex) LED will flash.

Note:

 The Rider’s battery is assembled. Remove the protective plastic tab that insulates the 

battery from contact by pulling out firmly. 

pic. 13

Maintenance

Slide the satellite connector 

4

 into place on 

the adaptor 

3

. Insert the pin (plug) of the 

extension cable 

7

 into the hole in the satellite 

connector 

4

 and connect the cable to the 

apex locator (right or left side).
Connect the lip hook cable to the remaining 
side of the apex locator. 

pic. 10

E-type handpiece 

10

11

12

13

14

16

15

Replacing the battery

Remove the battery housing with the display panel facing down, and take out the battery. Insert 
a new CR2450 battery into the housing, with the + terminal according to the + sign. 

pic. 14, 15

Connect the strap 

2

 to the adaptor 

3

. Use the 

strap best suited to the micro-motor diameter 
(19-22, 22-24 or 24-27). 

pic. 2

Put the adaptor 

3  

onto the micro-motor, 

positioning the metal tab 

A

 on the E-type 

connection while pushing the tab toward the 
micro-motor, ensuring a snug fit. 

pic. 3+4

Secure the strap around the micro-motor 
locking the two pins on either side of the strap 
into place. 

pic. 5

Complete assembly by sliding the Rider 

1

  into 

its track on the adaptor. 

pic. 6

Connect the handpiece to the micro-motor. 

pic. 7

To activate the Rider, make contact between 
the lip hook and the file. 

pic. 11

Once activated, the LEDs will flash in sequence 
as a “self-check”. When the file reaches 2.00 
mm from the apical constriction, the LEDs will 
light and an alarm will sound. The frequency of 
the alarm increases as the file nears the apical 
constriction. This is a particularly sensitive area 
when working with a handpiece, and use of a 
file beyond this point requires great caution. 
When the file reaches the apical constriction, 
the red “APEX” LED lights and the warning 

A

Connect the lip hook cable to the 
socket on the 

right

 side of the device 

(the side with the LEDs and the printed 
lip hook symbol       ) 

pic. 8.

 Position the 

lip hook over the lip, on the opposite 
side to the side being treated. 

pic. 9

Using the Rider in Manual Mode

Using the Rider in "Riding Mode"

The “Rider” can be used in three modes:

Manual Mode:

 Independently with a manual endo file

Riding Mode:

 Assembled and “riding” on a rotary handpiece

Satellite Mode:

 Disassembled but attached to a rotary handpiece with a wire.

Connect the two lead wires 

6

 to the 

device 

1

. Attach the lip hook 

5

 and file 

holder each to one lead wire.

The device can be protected by inserting it into a plastic sleeve. 

pic. 16

1

2

4

3

7

6

5

2

3

4

5

6

7

8

9

Setting up the Rider

Using the Rider in "Satellite Mode"

alarm reaches a higher frequency. If the file 
passes the apex the warning alarm will reach 
the highest frequency and the “-0.00” (past 
apex) LED will flash.

Note:

 The Rider’s battery is assembled. Remove the protective plastic tab that insulates the 

battery from contact by pulling out firmly. 

pic. 13

Maintenance

Slide the satellite connector 

4

 into place on 

the adaptor 

3

. Insert the pin (plug) of the 

extension cable 

7

 into the hole in the satellite 

connector 

4

 and connect the cable to the 

apex locator (right or left side).
Connect the lip hook cable to the remaining 
side of the apex locator. 

pic. 10

E-type handpiece 

10

11

12

13

14

16

15

E-type handpiece

The D.A.L. can be used in three modes:

Manual Mode:

 Independently with a manual endo file

Riding Mode:

 Assembled and “riding” on a rotary handpiece

Satellite Mode:

 Disassembled but attached to a rotary handpiece with a wire.

Using the D.A.L. in Manual Mode

Using the D.A.L. in "Riding Mode"

Using the D.A.L. in "Satellite Mode"

Setting up the  D.A.L. 

Maintenance

Connect the two lead wires 

6

 to the 

device 

1

. Attach the lip hook 

5

 and 

file holder each to one lead wire.

Replacing the battery

Remove the battery housing with the display panel facing down, and take out the battery. Insert 
a new CR2450 battery into the housing, with the + terminal according to the + sign. 

pic. 14, 15

Connect the strap 

2

 to the adaptor 

3

. Use the 

strap best suited to the micro-motor diameter 
(19-22, 22-24 or 24-27). 

pic. 2

Put the adaptor 

3  

onto the micro-motor, 

positioning the metal tab 

A

 on the E-type 

connection while pushing the tab toward the 
micro-motor, ensuring a snug fit. 

pic. 3+4

Secure the strap around the micro-motor 
locking the two pins on either side of the strap 
into place. 

pic. 5

Complete assembly by sliding the Rider 

1

  into 

its track on the adaptor. 

pic. 6

Connect the handpiece to the micro-motor. 

pic. 7

To activate the Rider, make contact between 
the lip hook and the file. 

pic. 11

Once activated, the LEDs will flash in sequence 
as a “self-check”. When the file reaches 2.00 
mm from the apical constriction, the LEDs will 
light and an alarm will sound. The frequency of 
the alarm increases as the file nears the apical 
constriction. This is a particularly sensitive area 
when working with a handpiece, and use of a 
file beyond this point requires great caution. 
When the file reaches the apical constriction, 
the red “APEX” LED lights and the warning 

A

Connect the lip hook cable to the 
socket on the 

right

 side of the device 

(the side with the LEDs and the printed 
lip hook symbol       ) 

pic. 8.

 Position the 

lip hook over the lip, on the opposite 
side to the side being treated. 

pic. 9

Using the Rider in Manual Mode

Using the Rider in "Riding Mode"

The “Rider” can be used in three modes:

Manual Mode:

 Independently with a manual endo file

Riding Mode:

 Assembled and “riding” on a rotary handpiece

Satellite Mode:

 Disassembled but attached to a rotary handpiece with a wire.

Connect the two lead wires 

6

 to the 

device 

1

. Attach the lip hook 

5

 and file 

holder each to one lead wire.

The device can be protected by inserting it into a plastic sleeve. 

pic. 16

1

2

4

3

7

6

5

2

3

4

5

6

7

8

9

Setting up the Rider

Using the Rider in "Satellite Mode"

alarm reaches a higher frequency. If the file 
passes the apex the warning alarm will reach 
the highest frequency and the “-0.00” (past 
apex) LED will flash.

Note:

 The Rider’s battery is assembled. Remove the protective plastic tab that insulates the 

battery from contact by pulling out firmly. 

pic. 13

Maintenance

Slide the satellite connector 

4

 into place on 

the adaptor 

3

. Insert the pin (plug) of the 

extension cable 

7

 into the hole in the satellite 

connector 

4

 and connect the cable to the 

apex locator (right or left side).
Connect the lip hook cable to the remaining 
side of the apex locator. 

pic. 10

E-type handpiece 

10

11

12

13

14

16

15

Connect the strap 

2

 to the adaptor 

3

. Use 

the strap best suited to the micro-motor 

diameter (19-22, 22-24 or 24-27). 

pic. 2.

Put the adaptor 

3

 onto the micro-motor, 

positioning the metal tab A on the E-type 

connection while pushing the tab toward 

the micro-motor, ensuring a snug fit.

 pic. 

3+4.

Secure the strap around the micro-motor 

locking the two pins on either side of the 

strap into place.

 pic. 5.

Complete assembly by sliding the D.A.L. 

1

 

into its track on the adaptor.

 pic. 6.

Connect the handpiece to the micro-motor.

pic. 7.

Connect the lip hook cable to the socket 

on the 

right

 side of the device (the side 

with the LEDs and the printed lip hook 

symbol    ) 

pic. 8.

 Position the lip hook 

over the lip, on the opposite side to the 

side being treated. 

pic. 9

Slide the satellite connector 

4

 into place on 

the adaptor 

3

. Insert the pin (plug) of the 

extension cable 

7

 into the hole in the satellite 

connector 

4

 and connect the cable to the 

apex locator (right or left side).

Connect the lip hook cable to the remaining 

side of the apex locator.

 pic. 10.

To activate the D.A.L., make contact between 

the lip hook and the file.

 pic. 11

Once activated, the LEDs will flash in sequence 

as a “self-check”. When the file reaches 2.00 

mm from the apical constriction, the LEDs will 

light and an alarm will sound. The frequency of 

the alarm increases as the file nears the apical 

constriction. This is a particularly sensitive area 

when working with a handpiece, and use of a 

file beyond this point requires great caution. 

When the file reaches the apical constriction, 

the red “APEX” LED lights and the warning

alarm reaches a higher frequency. If the file 

passes the apex the warning alarm will reach 

the highest frequency and the “-0.00” (past 

apex) LED will flash.

Note: The D.A.L.’s battery is assembled. Remove the protective plastic tab that insulates the 

battery from contact by pulling out firmly.

 pic. 13

Replacing the battery

Remove the battery housing with the display panel facing down, and take out the battery. Insert 

a new CR2450 battery into the housing, with the + terminal according to the + sign.

 pic. 14, 15

The device can be protected by inserting it into a plastic sleeve.

 pic. 16.

12

13

Replacing the battery

Remove the battery housing with the display panel facing down, and take out the battery. Insert 
a new CR2450 battery into the housing, with the + terminal according to the + sign. 

pic. 14, 15

Connect the strap 

2

 to the adaptor 

3

. Use the 

strap best suited to the micro-motor diameter 
(19-22, 22-24 or 24-27). 

pic. 2

Put the adaptor 

3  

onto the micro-motor, 

positioning the metal tab 

A

 on the E-type 

connection while pushing the tab toward the 
micro-motor, ensuring a snug fit. 

pic. 3+4

Secure the strap around the micro-motor 
locking the two pins on either side of the strap 
into place. 

pic. 5

Complete assembly by sliding the Rider 

1

  into 

its track on the adaptor. 

pic. 6

Connect the handpiece to the micro-motor. 

pic. 7

To activate the Rider, make contact between 
the lip hook and the file. 

pic. 11

Once activated, the LEDs will flash in sequence 
as a “self-check”. When the file reaches 2.00 
mm from the apical constriction, the LEDs will 
light and an alarm will sound. The frequency of 
the alarm increases as the file nears the apical 
constriction. This is a particularly sensitive area 
when working with a handpiece, and use of a 
file beyond this point requires great caution. 
When the file reaches the apical constriction, 
the red “APEX” LED lights and the warning 

A

Connect the lip hook cable to the 
socket on the 

right

 side of the device 

(the side with the LEDs and the printed 
lip hook symbol       ) 

pic. 8.

 Position the 

lip hook over the lip, on the opposite 
side to the side being treated. 

pic. 9

Using the Rider in Manual Mode

Using the Rider in "Riding Mode"

The “Rider” can be used in three modes:

Manual Mode:

 Independently with a manual endo file

Riding Mode:

 Assembled and “riding” on a rotary handpiece

Satellite Mode:

 Disassembled but attached to a rotary handpiece with a wire.

Connect the two lead wires 

6

 to the 

device 

1

. Attach the lip hook 

5

 and file 

holder each to one lead wire.

The device can be protected by inserting it into a plastic sleeve. 

pic. 16

1

2

4

3

7

6

5

2

3

4

5

6

7

8

9

Setting up the Rider

Using the Rider in "Satellite Mode"

alarm reaches a higher frequency. If the file 
passes the apex the warning alarm will reach 
the highest frequency and the “-0.00” (past 
apex) LED will flash.

Note:

 The Rider’s battery is assembled. Remove the protective plastic tab that insulates the 

battery from contact by pulling out firmly. 

pic. 13

Maintenance

Slide the satellite connector 

4

 into place on 

the adaptor 

3

. Insert the pin (plug) of the 

extension cable 

7

 into the hole in the satellite 

connector 

4

 and connect the cable to the 

apex locator (right or left side).
Connect the lip hook cable to the remaining 
side of the apex locator. 

pic. 10

E-type handpiece 

10

11

12

13

14

16

15

Replacing the battery

Remove the battery housing with the display panel facing down, and take out the battery. Insert 
a new CR2450 battery into the housing, with the + terminal according to the + sign. 

pic. 14, 15

Connect the strap 

2

 to the adaptor 

3

. Use the 

strap best suited to the micro-motor diameter 
(19-22, 22-24 or 24-27). 

pic. 2

Put the adaptor 

3  

onto the micro-motor, 

positioning the metal tab 

A

 on the E-type 

connection while pushing the tab toward the 
micro-motor, ensuring a snug fit. 

pic. 3+4

Secure the strap around the micro-motor 
locking the two pins on either side of the strap 
into place. 

pic. 5

Complete assembly by sliding the Rider 

1

  into 

its track on the adaptor. 

pic. 6

Connect the handpiece to the micro-motor. 

pic. 7

To activate the Rider, make contact between 
the lip hook and the file. 

pic. 11

Once activated, the LEDs will flash in sequence 
as a “self-check”. When the file reaches 2.00 
mm from the apical constriction, the LEDs will 
light and an alarm will sound. The frequency of 
the alarm increases as the file nears the apical 
constriction. This is a particularly sensitive area 
when working with a handpiece, and use of a 
file beyond this point requires great caution. 
When the file reaches the apical constriction, 
the red “APEX” LED lights and the warning 

A

Connect the lip hook cable to the 
socket on the 

right

 side of the device 

(the side with the LEDs and the printed 
lip hook symbol       ) 

pic. 8.

 Position the 

lip hook over the lip, on the opposite 
side to the side being treated. 

pic. 9

Using the Rider in Manual Mode

Using the Rider in "Riding Mode"

The “Rider” can be used in three modes:

Manual Mode:

 Independently with a manual endo file

Riding Mode:

 Assembled and “riding” on a rotary handpiece

Satellite Mode:

 Disassembled but attached to a rotary handpiece with a wire.

Connect the two lead wires 

6

 to the 

device 

1

. Attach the lip hook 

5

 and file 

holder each to one lead wire.

The device can be protected by inserting it into a plastic sleeve. 

pic. 16

1

2

4

3

7

6

5

2

3

4

5

6

7

8

9

Setting up the Rider

Using the Rider in "Satellite Mode"

alarm reaches a higher frequency. If the file 
passes the apex the warning alarm will reach 
the highest frequency and the “-0.00” (past 
apex) LED will flash.

Note:

 The Rider’s battery is assembled. Remove the protective plastic tab that insulates the 

battery from contact by pulling out firmly. 

pic. 13

Maintenance

Slide the satellite connector 

4

 into place on 

the adaptor 

3

. Insert the pin (plug) of the 

extension cable 

7

 into the hole in the satellite 

connector 

4

 and connect the cable to the 

apex locator (right or left side).
Connect the lip hook cable to the remaining 
side of the apex locator. 

pic. 10

E-type handpiece 

10

11

12

13

14

16

15

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