NCR 74 OFX (7874) - Tone Frequency (Hertz); Tone Length (Milliseconds); Tone On;Off; Tone Volume

5-20 Chapter 5: Programming
Tone On/Off
TheHexAtagselectstheToneOn/Offprogrammingparameter,whichofferstwo
options,OnandOff.TheHex0tagturnstheGoodReadToneoffandtheHex1tag
turnstheGoodReadToneon.
Tone Frequency (Hertz)
TheHexBtagsetsthefrequencyoftheGoodReadtone.EachtimetheHexBtagis
scanned,thetoneincrementsoneunit.Afterreachingthehighestfrequency,the
sequencestartsoverwiththelowestfrequency.EndthismodebyscanningtheEnd
tagoranothervalidHextag.

TheGoodReadTonefrequencycanhaveoneofthefollowingeightvalues:
702Hz
781Hz
868Hz
961Hz
1071Hz
1187Hz
570Hz
633Hz
Tone Length (Milliseconds)
TheHexCtagsetsthelengthoftheGoodReadTone.EachtimetheHexCtagis
scanned,thetonelengthchangesfromtheshortesttothelongest,andthenback
again.EndthismodebyscanningtheEndtagoranothervalidHextag.
TheGoodReadTone
lengthisfrom15msto225msin15msincrements
(15totalvalues).
Tone Volume
TheHexDtagselectsthevolumeoftheGoodReadtonebyincreasingitastheHexD
tagisrepeatedlyscanned.Aftertheloudestvolumeisreached,thesequencebegins
againwiththesoftestvolume.EndthismodebyscanningtheEndtagoranother
validHextag.
There
areeightdifferentvolumesettingsavailableontheRealScan74.However,there
isaprogrammingsequencewhichallowstheusertoaccesselevenvolumes.Referto
theVolumeAdjustsectioninthischapterfordetailsonactivatingtheelevenvolumes
andotherfunctionsofthevolumebutton.