scenario,!where!the!unit!has!been!powered!down!for!longer!than!24!hours!or!has!
been!moved!more!than!60!miles!since!last!use,!it!may!take!as!long!as!15!minutes!to!
acquire!satellites!and!start!displaying!valid!time.!
!
A!number!of!GPS!parameters!can!be!tracked!on!the!Status!page!of!the!web-browser!
interface.!!Select!the!Status!tab!at!the!top!of!the!browser.!!The!number!of!satellites!
tracked!as!well!as!the!position!data!from!the!GPS!can!be!viewed.!
!
As!soon!as!4!satellites!are!tracked,!the!front!panel!LED!labeled!“GPS!Locked”!will!
light!up.!
4.2.3 HaveQuick(Input(
The!HaveQuick!reference!requires!both!a!standard!HaveQuick!II!and!a!1PPS!input!
signal,!both!conforming!to!ICD-GPS-060A.!!Connect!the!HaveQuick!source!to!J5!and!
the!1PPS!source!to!J9.!!Ensure!that!HaveQuick!is!selected!as!reference!on!the!web-
browser!Setup!page.!
4.2.4 IRIG(B(Input(
Connect!a!standard!1kHz!modulated!IRIG-B!signal!to!the!BNC!connector!at!J7,!and!
ensure!that!IRIG-B!is!selected!as!reference!input!on!the!Setup!page!of!the!web-
browser.!
4.2.5 1PPS(
Connect!a!standard!ICD-GPS-060!1PPS!(1!pulse-per-second)!signal!to!the!J9!
connector!on!the!rear!of!the!unit!and!ensure!that!“Ext!1PPS”!is!selected!as!reference!
input!on!the!Setup!page!of!the!web-browser.!
!
Enter!the!date!and!time!manually!in!the!dialog!boxes!on!the!same!web!page!and!
click!“submit”!to!allow!the!PTU!to!read!those!values.!!
4.2.6 Output(Timing(Signals(
Regardless!of!the!input!reference!selected,!the!PTU!will!always!provide!the!
following!output!signals:!
!
! HaveQuick!Out!(J4)!
! Time-code!Out!(J6).!IRIG!B125!is!the!default!settings.!
! 1PPS!Out!(J8)!
4.2.7 Front(Panel(Indications(
The!front!panel!shows!a!date/time!display!in!years,!days,!hours,!minutes!and!
seconds.!!The!date!and!time!displayed!is!derived!from!the!currently!selected!
reference!input,!namely!GPS,!IRIG-B,!HaveQuick!or!1PPS.!!The!display!is!also!used!to!
display!the!IP!address!of!the!unit!on!power-up.!
!
The!front!panel!7-segment!time/!date!display!is!turned!off!by!default,!to!allow!the!
maximum!battery!life!during!the!discharge!cycle.!!To!view!the!7-segment!display,!
push!and!hold!the!“Display”!button!on!the!right-hand-side!of!the!front!panel.!
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