Seiko DT-40X Function Operation Manual

Digital timer

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Function Operation Guide

Basic Operation

1. Set the power switch (POWER) on the main unit ON.

2. Select the event (F01 to F11) to use by

3. Reset by

, and enable by

4. Set/operate each event.

* Numbers can be fast forwarded by holding down the buttons for at least two seconds during setting/operation.

* The four buzzer sounds and mute can be selected by pressing

"Snd1" → "Snd2" → "Snd3" → "Snd4" → "Snd-"

The buzzer sounds for the duration that

is held down.

* The display can be switched ON/OFF by pressing

* Set the channels of the infrared remote control and the main unit. (Total 6 channels)

How to Set the Infrared Remote Control

5. Set the channel of the main unit by

Each press of

switches the display panel " CH 0 " → " CH 1 " → " CH 2 " → " CH 3 " → " CH 4 " →

" CH 5 " → " CH 6 " → " CH 0 " → " CH 1 " and so forth.

* The default setting is "CH 0". By setting "CH 0", the remote control can receive all channels.

* This operation cannot be performed while the timer is operating or being set.

6. Set the channel of the infrared remote control by

* The default setting is "1".

* On the infrared remote control body, which channel is currently set cannot be known.

Check operation together with operation of the main unit.

* Before use, be sure to check that the channels of the main unit and infrared remote control are matching.

Clearing Settings

•

To clear the settings of the current event, press

seconds.

•

To clear the settings of all events, press

* This operation cannot be performed while the timer is operating or being set.

F01 Count-Down timer

(max. time setting 99 mins 59 secs, 1 sec or 1/10 sec display, setting of up to 9 warning buzzers)

Operation Procedure

1. Switch to the setting mode

2. Enter the time setting (Ex: 10 mins 30 secs)

① Enter minute's digit, then move to second's digit

② Enter second's digit

③ Apply the time setting, and move to warning buzzer time 1

3. Enter the warning buzzer time (Ex: 1 min 30 secs)

① Enter minute's digit, then move to second's digit

② Enter second's digit

③ Apply the warning buzzer time 1, and move to warning

buzzer time 2

④ If necessary, enter the warning buzzer time 2 and on-

wards by repeating steps ① to ③

When "00:00" is entered for the warning buzzer time,

warning buzzers from then on are canceled, and the

screen returns to the time setting entry screen.

4. End setting, and switch to the timer mode

5. Timer start

6. Change the time (Ex: 6 minutes 17 seconds → 7 min-

utes 32 seconds)

① Timer stop

② Change minute's digit

③ Change second's digit

7. Timer start (resume)

8. Match to warning buzzer time 1

9. Timer end

10. Return to before start

* To switch to the setting mode, press

to reset the mode, and then press

* To enable 1/10 sec display, press

while in the setting mode. Pressing this again returns the display to 1 sec display.

F02 Count-Up timer

(max. time setting 99 mins 59 secs, 1 sec or 1/10 sec display, setting of up to 9 warning buzzers)

Operation Procedure

1. Switch to the setting mode

2. Enter the time (Ex: 10 mins 30 secs)

① Enter minute's digit, then move to second's digit

② Enter second's digit

③ Apply the time setting, and move to warning buzzer time 1

on the infrared remote control.

and then hold down

for at least two

and then hold down

for at least two seconds.

Remote Control

Button Operation

Left score

Right score

Remote Control

Button Operation

Operation Procedure

3. Enter the warning buzzer time (Ex: 45 secs)

① Enter minute's digit, then move to second's digit

② Enter second's digit

③ Apply the warning buzzer time 1, and move to warning

buzzer time 2

④ If necessary, enter the warning buzzer time 2 and on-

wards by repeating steps ① to ③

When "00:00" is entered for the warning buzzer time,

warning buzzers from then on are canceled, and the

screen returned to the time setting entry screen.

4. End setting, and switch to the timer mode

5. Timer start

6. Change the time (Ex: 25 seconds → 20 seconds)

① Timer stop

② Change seconds

7. Timer start (resume)

8. Match to warning buzzer time 1

9. Timer end

10. Return to before start

* To switch to the setting mode, press

* To enable 1/10 sec display, press

F03 Stopwatch

(max. measurement time 9 hours 59 mins 59 secs 9, lap/split display switching)

Operation Procedure

1. Switch the lap/split display

2. Timer start

3. Timer stop

4. Return to before start

Split time (time elapsed midway)

Operation Procedure

1. Timer start

Display

2. Split measurement (Ex: 26 mins 13 secs 7)

00:00