NEC Audio Players & Recorders - Recent Questions, Troubleshooting & Support

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how do i connect head set in nec dt 300 series phone ? and is there any configuration needed for that ?

A tuner would typically have an output labelled "line out" or similar and the amplifier would usually have either a "line in" socket or a dedicated tuner input and it is a matter of connecting the two with a suitable lead.

Press speaker key dial 700 Enter extension number (which will be 3 numbers like 101). Use the keypad to enter name (up to 12 characters) use # in between if there is a letter on the same button your just pressed. Press speaker once you've finished typing the name.

Video head needs thorough cleaning. If no head cleaner, then run a few long tapes through it in the fast scan mode since the tape itself is abrasive and will over time remove debris from the heads. If that does not do it, try a chemical cleaner to dissolve the material.

5-6 rings I think that is the best you can get link to a manual for it SV8100 DT310/DT330/DT710/DT730 User Guide - NEC Corporation ...https://www.necam.com/Docs/?id=5601ae16-b7e2-4e8c-a769...NEC-10645 UNIVERGE SV8300 DT300 DT700 USER GUIDEau.nec.com/.../SV8300_Handset_Manual-ce03fb6c-32af-4991-9bd5-8ec.

time to change bulb perhaps

The most common cause is dust inside the projector that leads to overheating & auto shutdown. If you have an air compressor you can use the blow tip accessory to blow as much dust out as you can without taking apart the projector. You may get by using a can of compressed air available at Walmart, etc. electronics section. Concentrate on vented areas & where you can see or hear any fans. Do this outside so it doesn't make a mess. If you know how to take out the lamp there's usually close access to the main cooling fan through the lamp compartment, blow air through there & it will follow the right path to exit correctly without blowing dust all over the inside.

Try the Keystone correction function to correct the trapezoid distortion.

check the thermostat; it appears that either the thermostat is not working properly, or is not set right or damaged

Hi Prakash Clean Connector Pins with spray Wiggle to see if bad connection Check for Female socket loos worn holes in connector pin

go to menue / reset/clear lamp hours, all the buttons needed are on the box, push menu & with the cross navigate & with enter confirm selection, exit gets you back at any time, on the nec/support website you can get the np-v series manual good luck

Once the messeges are cleared, the light will stop blinking.There should be a button to push, which will allow you to access the messeges options.