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Features

• 

4 channels

• 

Programmable

• 

Dual function

• 

Memory

• 

Counts up & down in 4 channels separately 

or simultaneously

• 

Clock

• 

Stopwatch

• 

Loud and long alarm

• 

Individual channel sounds

• 

Stop and restart

• 

Counts up after zero

• 

ABS plastic

• 

Sliding mode switch

• 

International time

• 

4-way mounting: pocket clip/magnet/stand/loop

• 

Battery and instructions included

Note:

 Remove sticker from display before use.

Note:

 In the following instructions, names of the control 

buttons are shown in CAPS. Function information that appears 

on the display is shown in 

BOLD CAPS

.

Battery Installation

Replace battery when LCD becomes dim or alarm 

level declines.

1. Remove battery door by turning it 

counterclockwise.

2. Install LR44 battery with positive (+) side up.
3. Replace battery door and lock it by turning 

it clockwise.

Operating Instructions

A. Set Clock

1. Select CLOCK mode with sliding mode switch. 

12:0000AM

 will appear after inserting battery. 

 

2. Press and hold ENTER approximately 

2 seconds until the display flashes.

3. Press CLEAR to toggle between 12-hour, 

AM/PM time, and 24-hour, international time.

4. Press HR, MIN and SEC to enter the desired 

time. Press and hold button for fast advance.

5. Press ENTER to exit. The PT1A will 

automatically exit 3 seconds after the last entry.

B. Count Down

1. Select COUNT DOWN mode with sliding mode 

switch. 

COUNT DOWN

 will appear on the 

display.

2. Press HR, MIN and/or SEC to enter the desired 

time. Press and hold button for fast advance.

 

3. Press START/STOP to start the count down. 

Press START/STOP button to interrupt the 

count. Press START/STOP button again to 

resume the count.

4. When the desired time is reached, alarm will 

sound and the timer will start to count up the 

“overtime”. 

OT

 (OverTime) and 

COUNT UP

 

will appear on the display while 

TIME’S UP

 

flashes. 

5. Press START/STOP to stop the alarm. The 

alarm will stop automatically after 60 seconds 

while the count up continues.

Model: PT1A

4-Event Timer & Clock

Counts 100 hours by minutes & seconds

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