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CAUTION:

 Avoid moisture to reduce the risk 

of fire or electric shock. The DIRECTV USB 

OFF-AIR TUNER should not be used near 

water (for example, kitchen sink, bathtub, 

pool, damp basement). Also, never spill 

liquid on the receiver, and do not place vases 

or other vessels containing liquid on top of it.

WARNING: 

To reduce the risk of fire or 

electric shock, do not expose this product 

to rain or moisture. The apparatus shall not 

be exposed to dripping or splashing and no 

objects filled with liquids, such as vases, 

shall be placed on the apparatus.

IMPORTANT:

 Be sure not to place your 

DIRECTV USB OFF-AIR TUNER near 

anything WET or HOT!

If this product is rated at 240VAC, a suitable 

attachment plug should be used.

TIP: 

We highly recommend plugging the 

DIRECTV USB OFF-AIR TUNER into a 

surge protector to prevent damage from 

fluctuations in your power supply. 

CAUTION: 

To reduce the risk of electric 

shock, do not remove cover (or back).

No user-serviceable parts inside. 

Refer servicing to qualified service 

personnel.

RISK OF ELECTRIC 

SHOCK DO NOT OPEN!

CAUTION

• Ensure proper ventilation — the vent slots on the DIRECTV USB OFF-AIR TUNER must be left uncovered to allow proper airflow to the unit. 
Blocking the airflow to the unit could impair performance or damage your receiver and other components.
• Do not stack electronic components or other objects on top of the DIRECTV USB OFF-AIR TUNER. Also, do not stack the receiver on top of a 
“hot component” such as an audio power amplifier.
• Protect your components from power surges by connecting all the components before plugging any power cords into the wall outlet. Use of 
a surge protector is also recommended.
• Don’t overload power outlets or extension cords, which can result in the risk of fire or shock. It’s also important to use only the type of 
power source indicated on the marking label or in this manual.
• Avoid audio hum or interference by inserting all cable plugs firmly into their jacks. Also, place Audio/Video (A/V) cables to the sides of the 
TV back panel rather than down the middle once connected. Try not to coil any twin-lead cables and keep them away from A/V cables as 
much as possible.
• Never insert objects of any kind into any openings in the DIRECTV USB OFF-AIR TUNER.
• Place it on a flat, hard surface — do not operate the DIRECTV USB OFF-AIR TUNER on a carpet or other padded surface. 
• Always unplug your DIRECTV USB OFF-AIR TUNER before moving it.
• Always unplug the DIRECTV USB OFF-AIR TUNER, DIRECTV

®

 Receiver, TV and other equipment before you connect or disconnect any 

cables.
• The only way to disconnect the DIRECTV USB OFF-AIR TUNER from the power supply is to remove the power cord. The DIRECTV USB OFF-
AIR TUNER unit must therefore be installed next to the power point which must be easily accessible.
• CAUTION: Electric Shock — never attempt to disassemble the DIRECTV USB OFF-AIR TUNER yourself; always take it to a qualified service 
person when repair is required. Opening or removing covers may expose dangerous voltage or other risks, and incorrect reassembly can 
cause shock when receiver is subsequently used. Attempted self-repair may also void your warranty. Changes or modifications not expressly 
approved by the party responsible for compliance (by the warranty or by the manufacturer) could void the user’s authority to operate the 
equipment. 
• Do not drop your DIRECTV USB OFF-AIR TUNER and always move it with care.
• Have your DIRECTV USB OFF-AIR TUNER professionally serviced (do not attempt to service it yourself).
• Any changes or modifications in construction of this device which are not expressly approved by the party responsible for compliance could 
void the user’s authority to operate the equipment.
• If you move your DIRECTV USB OFF-AIR TUNER between locations at different temperatures, allow it to reach room temperature before you 
apply power to it.
• Do not pick up or otherwise move your DIRECTV USB OFF-AIR TUNER while it is connected to the AC power supply. If you want to move your 
set-top box, first disconnect it, then wait at least 30 seconds before continuing 
• CAUTION: To reduce the risk of fire, use only No. 26 AWG or better telecommunications line cord.
• CAUTION: Replace remote control batteries with same or equivalent type. There is danger of explosion if batteries are incorrectly replaced.
• For your information: The identification sticker can be located underneath or on the back of your receiver.
• The telecommunication network voltage used is the category number 3.

Note to Satellite Dish Installer:

 This reminder is provided to call your attention to articles 810 and 820 of the 2005 National Electrical Code. 

Refer to article 810, in particular 810-1 and 810-15, for required grounding of the metal structure of the dish antenna. Refer also to the 810-2 
which, by reference to article 820, requires that the satellite dish coaxial cable shield be connected to the grounding system of the building as 
close to the point of cable entry as practical.

Safety & Care

Summary of Contents for AM21

Page 1: ...AM21 OFF AIR TUNER User Guide ...

Page 2: ...essories specified by the manufacturer 12 Use only with the cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus combination to avoid injury from tip over 13 Unplug this apparatus during lightning storms or when unused for long periods of time 14 Refer all servicing to qualified service personnel ...

Page 3: ...B OFF AIR TUNER before moving it Always unplug the DIRECTV USB OFF AIR TUNER DIRECTV Receiver TV and other equipment before you connect or disconnect any cables The only way to disconnect the DIRECTV USB OFF AIR TUNER from the power supply is to remove the power cord The DIRECTV USB OFF AIR TUNER unit must therefore be installed next to the power point which must be easily accessible CAUTION Elect...

Page 4: ...power cable that was removed from the DIRECTV Receiver to the DIRECTV USB OFF AIR TUNER OPEN POWER OPEN GUIDE MENU SELECT REC ACTIVE INFO RES HDMI ETHERNET CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN Main Power 1 meter Power Cable Satellite Antenna Cables ATSC Off Air Antenna Cable USB DIRECTV USB OFF AIR TUNER Your equipment may not look exactly like the ...

Page 5: ...e antenna If you choose to go to the Initial Setup screen later you can get there by pressing Off Air Tuner Config Select OK to configure off air antenna for use Press SELECT on Later to perform the setup process at another time OK Later Menu Parental Fav s Setup System Setup Sat Antenna Antenna Setup Initial Setup ...

Page 6: ...ia your off air antenna Press SELECT on Initial Setup to populate the list with off air channels available in your area Once complete select Edit Off Air Channels to edit the list for display To start over if this receiver moves with you to a new city select Reset Settings to clear the list of off air channels then repeat the initial setup process Done Initial Setup ResetOff AirSettings EditOff Ai...

Page 7: ...1 KCBSDT 4 1 KNBCDT 4 2 KNBCDT2 4 4 KNBCDT4 5 1 KTLADT 5 5 KTLADT5 SignalMeter RemoveAll Fri 2 57p setup Antenna Signal Strength Press SELECT on the buttons to cycle channels received by your antenna and view their signal strenght If most signals are low check that your antenna is properly installed and connected Select Done when finished Off Air Tuner 2 Not Acquired Off Air Tuner 1 25 Channel 7 1...

Page 8: ...e the brighter DIRECTV blue The HD channel will have the 4 letter call sign of the station KTLA in this example while the SD channel will just have a two letter city abbreviation and a one or two digit channel number LA5 in this example You are now ready to view your local off air channels as you can with any of your DIRECTV delivered satellite channels NOTE You must subscribe to HD Access in orde...

Page 9: ... 2010 DIRECTV Inc DIRECTV and the Cyclone Design logo are registered trademarks of DIRECTV Inc AM21 OFF AIR TUNER User Guide Version 1 2 092110 ...

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