Qtech-data-systems DATRAN Q80 Telemetry Radio User Manual download pdf (Page 17)

TECHNICAL NOTES

TECHNICAL NOTESTECHNICAL NOTES

TECHNICAL NOTES

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

www.qtech.co.nzTel033663713

Firstsetthetransmitaudiolevel.Feeda–3dBm1800Hzaudiosignalintotheaudioterminalsofthe6wayDIN

Modemconnector.PinNo1andPinNo2.ConnectadeviationmetertotheBNCRFconnectorterminatedat50

ohms.KeythetransmitteronbypullingPinNo4ofthe6wayDINModemconnectortoground.AdjustVR2for+/-

3kHz(+/-1.8kHz)transmitterdeviation.

Nowsetthereceiveaudiolevel.ConnectadBVmetertotheaudioterminalsofthe6wayDINModemconnector.

PinNo1 and PinNo2.  ConnectacalibratedRFsignalgeneratortothe BNCRF connector set totherequired

frequencyand+/-3kHzdeviationat1800Hz.AdjustVR1forareceivedaudiolevelof–15dBm.

Recheckthetransmitaudiolevelasdescribedaboveandre-adjustasnecessary.

Maxon Radio

Maxon RadioMaxon Radio

Maxon Radio

The Maxon radio is fully programmable through specialised programming equipment. 

Qtech

 offers complete

Maxonradioaftersalesserviceandreprogrammingfacilities.

Theradiomodulehas 16availablechannelswhicharesetbyDIPswitches,similartothemoduleaddress ofan

RTU.

Toaccessthechannelselectswitches,undothefourposidrivescrewsoftheMaxonradiomoduleandremovethe

topcover.

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Qtech-data-systems DATRAN Q80 Telemetry Radio User Manual Page 17