Leetac Electronics Technology LEETACEZ250 User Manual

Instruction Manual

Model: ITGSH-300

Wireless Hi-Frequency Headphones

Precautions

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

This symbol is intended to
alert user to the presence of
non-insulated “dangerous
voltage” within the
product’s enclosure that
may be of sufficient
magnitude to constitute risk
of electric shock to persons.

Danger: This is not a toy. Keep the unit & accessories out of reach from children or pets.
There will be a risk of swallow.

Warning: To reduce the risk of fire or electric shock, do not expose this appliance to rain or
moisture.

Caution: Keep the unit away from any interference appliance, such as metals and magnet.
Locations: To reduce the risk of electric shock, fire or injury:

1. Do not use the unit in places that are extremely hot, cold, dusty or humid.

2. Do not place the unit under the direct sunlight nor near any heat sources such as open
flame sources and units that produce heat.

RISKS OF ELECTRIC SHOCK
DO NOT OPEN THE COVER
(OR BACK). NO USER
SERVICEABLE PARTS INSIDE.
REFER SERVICING TO
QUALIFIED SERVICE
PERSONNEL.

This symbol is intended to
alert user to the presence of
important operating and
maintenance (servicing)
instructions in the literature
accompanying the
appliance.

3. Do not place any objects that are filled with liquids, such as vases, on the unit.

4. Keep the unit away from places where the unit may be exposed to dripping or
splashing.

5. Place the unit on a flat and stable place.

Important Safety Instructions

1. Read through the manual before operating.

2. Heed the instructions.

3. Follow all instructions in the manual.

4. Keep the manual for future reference.

5. Do not block any ventilation openings. Do not impede the ventilation openings with

newspapers, table-cloths, curtains or the like. Leave at least 5cm around the unit for
sufficient ventilations.

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6. Install the unit in accordance with the manufacturer’s instructions.

7. Clean the cabinet with a soft cloth slightly moistened with a mild detergent solution. Do

not use strong solvents which may cause unpredictable damage to the unit.

8. Before using the product with the approved power adapter provided, ensure the

electric power supply is compatible with the voltage rating of the provided power
adapter.

9. Use ONLY the provided power adaptor. Never use other power adaptors even if they

have the same specifications or rating.

10. Protect the power cord from being walked on or pinched, particularly at plugs,

convenience receptacles and the pointers where they exist from the unit.

11. The electric plug is used as the disconnect device. The disconnect device shall remain

readily operable.

12. Remove the power adaptor from the electric outlet if the product is not in use for a long

time.

13. If it is lightening, unplug the power adapter to prevent the unit from unnecessary

damages.

14. Never try to disassemble batteries. It will be fatal dangerous if you heat the batteries or

put batteries under the direct sunlight.

15. Refer all servicing to qualified service personnel. Servicing required when the unit does

not operate normally or has been damaged in any way such as the power adaptor is
damaged, liquids spilled into the unit, any hard object fallen on the unit, the unit has
been dropped, the unit has been exposed to rain or moisture.

16. The marking information is located at the bottom of the unit.

17. Attentions should be drawn to the environmental aspects of batteries disposal.

18. Use the unit in moderate climates.

Warnings:

＊ Listening to uncomfortable sound levels for prolonged periods could adversely affect

your hearing.

＊ If using a line input or direct plug in MUST be fully inserted into the correct socket and

the volume turned to the lowest level before turning the unit on. Failure to do so can
result in high sound levels and could adversely affect your hearing.

＊ Please make sure that the volume knob is in the fully OFF position. You will hear and

feel a click when the knob is in the OFF position.

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Battery Warnings:

* Danger if battery is heated or exposed to direct sunlight or high temperature (over 80

centidegrees).

* Do not force the battery pack into the charger or headphone. It fits easily when in the

correct orientation.

* Do not short circuit the battery.

* Never disassemble or reconstruct battery.

* Do not expose the battery to water or any liquids.

* Disposal of battery if it is broken, leaked or deformed.

* Charge the battery as per instructions.

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Locations and controls

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Headset

1. Headset plugs & earbuds

2. Headset cradles: The cradles are adjustable at a settled angle range. You can set the

headset plugs at a certain width by adjusting the angle. Do not force - it may damage
the headset.

3. Under chin headset

4. Channel indicator: Indicate the operating status of the headset. Fast flash when the

headset is searching for an idle FM frequency; Flash slowly to indicate the receiver is
going to hold an idle FM frequency. Once the desired FM frequency has been found,
the indicator will light constantly.

5. Battery pack: Take the battery pack from the packing and insert it into the bottom side
of the under chin headset.

6. Search: Press to search the signal sent from the transmitter.

7. Volume control: Turn the sound on and off and adjust the volume level.

8. Balance knob: Adjust the sound balance of left and right channel.

9. Tone Right knob: Adjust the tone of right earphone.

10. Tone Left knob: Adjust the tone of left earphone.

Transmitter

11. Channel indicator: Indicate the operating status of the transmitter. Flash when the

transmitter is searching for an idle FM frequency. Once the desired FM frequency has
been found, the indicator will light constantly.

12. Charge 2 indicator (middle): Indicate the battery pack inside the headset. Light

constantly during the charging process; light off if the battery pack is fully charged or no
battery pack inside.

13. Transmitter

14. Side battery charge slot: Dock and charge the extra battery pack.

15. Charge 1 indicator (side): Indicate the battery pack at the side of the transmitter. Light

constantly during the charging process; light off if the battery pack is fully charged or no
battery pack inside.

16. Headset dock: Charge the battery pack inside the headset during docking.

17. Search: Press to search an idle FM frequency.

18. DC IN jack: Connect the AC/DC adaptor to the jack.

19. Audio switch [MONO/STEREO]: Switch between stereo and mono operation.

20. AUDIO IN socket: Connects the 3.5mm audio input jack of the transmitter to your TV set

by using the 3.5mm plug cable.

21. AUDIO IN sockets [RCA]: Connects the RCA audio input jack of the transmitter to your

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