Manual

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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