Radio Systems, Inc.
CT-2002 Manual
Page 14
GPS Driver
Additional Operating Instructions
Setup Programming
Refer.to.the.dip-switch.setting.diagram.on.page.23.to.program.the.hour.offset.from.
GMT.for.your.time.zone,.to.enable.the.automatic.daylight.savings.time.setting,.
and.to.enable.12.or.24.hour.operation..
Note.that.the.unit.is.shipped.with.the.factory.default.setting.of.Eastern.Time.Zone.(5.
hours.behind.GMT),.auto.daylight.savings.time.switch-over.and.12-hour.operation..
The.analog.clock.dip-switch.(switch.#1).causes.the.display.to.flash.after.recovery.
from.a.satellite.signal.loss.as.an.operator.indication.that.your.analog.clocks.have.
lost.time.and.must.be.reset..(Digital.clocks.connected.to.the.GPS.Master.driver.
will.automatically.update.).After.adjusting.the.time.on.the.analog.clock.(see.ana-
log.clock.operation),.push.the.start.button.to.cease.flashing.and.resume.normal.
display..Factory.default.for.this.feature.is.“off”..
Top-of-Hour Closure
GPS.Master.driver.units.(on.2”.and.desktop).provide.a.top-of-hour.closure.avail-
able.as.a.C-form.relay.closure.for.250.ms,.occurring.at.the.top.of.each.hour..The.
C-form.contacts.are.available.on.the.rear.remote.control.barrier.strip..
connector.on.pins.15.and.16.(last.two.terminals.on.the.strip)..See.Remote.
Connection.diagram.page19.of.this.manual.for.connections.
Connections and Installation
1... Mount.the.antenna.on.a.roof.or.window.ledge.with.a.clear.view.of.the.sky..
Avoid.areas.directly.under.microwave.antenna.paths,.or.near.dense.foliage..
2... The.antenna.plugs.into.the.clock/receiver.via.a.pre-installed.RJ-45.Ethernet.
style.connector..Up.to.150’.of.four.conductor.shielded.cable.may.installed.
between.the.antenna.and.the.receiver..This.cable.may.be.user.provided,.or.a.
pre-assembled.150’.or.250’.extension.cable.is.available.from.Radio.Systems..
Please.note.that.for.any.cable.run.in.excess.of.150’,.in-line.balancing.RS-485.
convertor.amplifiers,.available.from.Radio.Systems,.must.be.installed..For.
wiring.specifications,.see.the.attached.antenna.wiring.detail.on.page.23..