Checkline DT-725 User Manual download pdf (Page 3)

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3.0 BATTERY USAGE (DT-725 ONLY)

Model DT-725 is equipped with an internal, lead acid, rechargeable battery that

provides one hour of continuous operation.

NOTE: Charge battery for approx. 15 hrs. before using the instrument

for the first time.

When battey power is low, the Low Batt indicator on the display will light up.

3.1 Charging the battery

1. Turn power off.

2. Instert AC adapter into the

receptacle in the bottom of the

instrument handle..

3. Approximate charging time:2 hours.

NOTE: The charger adapter may also be

used to power the instrument

continuously.

3.2 Replacing the battery

The life of the built-in battery should be approximately 300 charges. When

the time period between charges becomes increasingly shorter, replace the

battery.

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5.0 MEMORY

When the strobe is turned off and on again at a later time, it will start to flash at

the previous displayed rate regardless if the setter has been moved or not.

6.0 TRUE RPM

All strobes give the illusion of stopped motion when flashing in submultiples of

the true speed.

To obtain the correct rpm, turn knob from highest fpm downward. When the first

single image appears, read the true rpm. To verify it, press the “1/2” key. A single

image will appear again.

Rotation of shaft

(rpm)

Number of

flashes (rpm)

Flashes/

rpm shaft

Number of

stopped images

1,500 rpm

6,000 4 times 4

4,500 3 times 3

3,000 2 times 2

1,500 1 times 1

750 1/2 times 1

500 1/3 times 1

AC adapter/charger receptacle

CAUTION

Only charge the

instrument using the

AC adapter/charger

provided.

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Checkline DT-725 User Manual Page 3

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