
Standard - AT1302, AT2002, AT2402, AT2702
TROUBLESHOOTING GUIDE
Check the following guide for a possible correction to a problem before contacting customer service. Check FAQ at our website: www.apexdigitalinc.com.
| Symptoms | Correction | |
| 
 | 
 | |
| No power | Connect the power plug into the wall outlet securely. | |
| 
 | 
 | |
| No picture | Verify the connection from the DVD/VCR video output to the TV video input is | |
| secure.Then switch TV to the appropriate Video mode. | ||
| 
 | ||
| 
 | Verify coaxial cable from antenna is connected to RF IN. | |
| 
 | 
 | |
| 
 | Connect the audio cables into the terminals securely. | |
| 
 | Verify the connection from the DVD/VCR audio output to the TV audio input. | |
| No sound | Then switch to the appropriate mode on the receiver. Refer to your audio amp- | |
| 
 | ||
| 
 | lifier owner's manual. | |
| 
 | Mute feature may be enabled. | |
| 
 | 
 | |
| 
 | Check whether your receiver is set to the TV mode. | |
| 
 | Check whether the antenna is well connected to the TV receiver. | |
| No TV signal | Unplug the TV from the wall for 30 seconds, then plug in and try again. | |
| 
 | ||
| 
 | Unplug the antenna connection from the back of the TV, unplug the TV from | |
| 
 | the wall, wait 30 seconds, then try again. | |
| 
 | 
 | |
| Stripe or purple interfe- | Interference may come from high frequency sources such as a broadcasting | |
| rence appears in the | station, poor ground connection in cable used, or non shielded audio speakers | |
| screen. | too close to the picture tube. | |
| 
 | 
 | |
| Picture becomes | Check the antenna lead wire to see if it has open circuit or not. | |
| Check the connection of antenna lead wire to the TV set input. | ||
| snowy. | ||
| Check whether there is any damage to antenna. | ||
| 
 | ||
| 
 | 
 | |
| 
 | Change the direction of antenna to minimize the multi image. | |
| Picture with  | The video frequency radiated from TV station can be reflected by tall buildings, | |
| 
 | ||
| 
 | high tower, etc. | |
| 
 | Make sure the Air/Cable setting is correct. | |
| TV channel not received | Channel may be locked with the block channel feature, such as Parental Control. | |
| 
 | Check Add/Erase feature, as channel may have been erased during set up. | |
| 
 | 
 | |
| Black box appears on | Closed Caption to Text feature may be active. | |
| screen. | ||
| 
 | ||
| Remote control | Batteries may be weak. Replace batteries. | |
| Make sure remote sensor is not blocked including deflection from curved glass | ||
| doesn't operate. | ||
| 
 | ||
| 
 | cabinet. | |
| 
 | 
 | 
20
