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120 20110-142

Gemini

PD

 Installation Guide

4

If the installation vehicle contains such
equipment, consult the dealer for the make
of vehicle and enlist his aid in determining if
such electronic circuits will perform nor-
mally when the radio is transmitting.

2.2.3 Secure 

mounting

For vehicle occupant(s) safety, mount Gem-
ini

PD

 securely so that the unit will not break

loose in case of an accident or violent ma-
neuvers.

2.2.4 Explosive 

environments

Operation of vehicular radio transmitters in
explosive environments may be hazardous
and conventional safety precautions must
prevail. These include and are not limited to:

-

 

Transmitting while fuelling the vehicle.
Do not carry fuel containers in the same
compartment as Gemini

PD

.

-

 

Dynamite blasting caps may explode
when transmitting radio operation takes
place within 500 feet. Always obey the

“Turn Off Two-Way Radios”

 signs

posted at sites where dynamite is being
used.

If transporting blasting caps:

a)

 

Carry the blasting caps in an appropriate
metal container having a soft cushioning
lining.

b)

 

Suppress transmissions whenever the
blasting caps container is being loaded
or unloaded into or from the vehicle.

Check applicable local bylaws.

2.2.5  Installation in vehicles

powered by liquefied gas.

Gemini

PD

 installations in vehicles powered

by liquefied petroleum gas with the LP-gas
container in the trunk or other sealed-off
space within the interior of the vehicle must
conform to the National Fire Protection As-
sociation Standard NFPA 58 which requires:

-

 

Space containing radio equipment shall
be isolated by a seal from the space

containing the LP-gas container and its
fittings.

-

 

Outside filling connections shall be used
for the LP-gas container.

The LP-gas container space shall be vented
to the outside of the vehicle.

2.3 Physical 

Unit

2.3.1  Recommended tools and

supplies

 

Electric drill for mounting holes

 

Hammer and center punch

 

Tie-wraps

 

Drills and circle cutters as needed ac-
cording the size of screws (or nuts and
bolts) used.

 

In-line “Power meter” capable of meas-
uring forward and reflected power at the
operating frequency of the radio.

2.3.2  Physical mounting of

Gemini

PD

Start by running all the cables (DC power,
PC RS-232 as well as all antennas cabling)
prior to mounting Gemini

PD

 to assure the

feasibility of the planned cable routing. Be
sure to leave sufficient slack in each cable
so the Gemini

PD

 may be removed from the

mounting bracket for servicing with the
power applied and the antenna attached.
Gemini

PD

 is ready for installation.

Cautions:

 

When drilling mounting

holes, be careful to avoid dam-
aging some vital part of the ve-
hicle such as fuel tanks, trans-
mission housing etc. Always
check how far the mounting
screws extend below the
mounting surface prior to in-
stallation.

 

Use of drill

 

bit stops is

highly recommended.

 

After drilling, remove all

metal shavings before installing
screws.

Summary of Contents for Gemini PD

Page 1: ...uide Version 1 42 Preliminary For Internal Use Only The entire contents of this manual and the Radio Installation Software described in this manual are copyright 2000 by DATARADIO Inc Copyright DATARA...

Page 2: ...commended tools and supplies 4 2 3 2 Physical mounting of GeminiPD 4 2 4 ELECTRICAL INSTALLATION 5 2 4 1 Electrical requirements 5 2 4 2 Routing of power cable 5 2 5 ANTENNA 7 2 5 1 Recommended tools...

Page 3: ...OUBLE SHOOTING AND TESTING 19 5 1 EQUIPMENT REQUIRED 19 5 2 BASIC TESTS 19 5 3 GPS TEST 19 6 SPECIFICATIONS 22 FIGURE 1 MOUNTING PLATE AND SLOT DIMENSIONS 5 FIGURE 2 BRACKET INSTALLATION 5 FIGURE 3 DC...

Page 4: ...Exposure Guidelines for increased Duty Cycle Version 1 40 December 2000 Supporting footnotes for Gemini PD Lite model No GPS option added Section 3 2 function of DE 9F pin 9 Aux input corrected and c...

Page 5: ...ed as a precision instrument Section 4 4 4 3 1 Unmodulated Carrier edited to show 800MHz model power check nominal forward wattage Section 2 4 2 Routing of Power Cable step no 7 clarification of negat...

Page 6: ...120 20110 142 v GeminiPD Installation Guide...

Page 7: ...the various RS 232 interface signals Most user equipment as well as PCs are wired as DTE GCU GeminiPD Control Unit board GeminiPD High specs mobile radiomodem PD Parallel decode GeminiPD Lite GeminiP...

Page 8: ...ptional integrated OEM GPS receiver 1 2 1 Features One piece integrated design in a rugged die cast aluminum chassis Parallel Decode PD technology patent pending featuring dual receivers for added dec...

Page 9: ...radio modules Contact Technical Support for service in formation before returning equipment A Technical Support representative may sug gest a solution eliminating the need to return equipment 1 5 1 F...

Page 10: ...r the passengers Keep wiring away from automotive com puter modules other electronic modules and ignition circuits to help prevent interference between these components and radio equip ment Try using...

Page 11: ...container in the trunk or other sealed off space within the interior of the vehicle must conform to the National Fire Protection As sociation Standard NFPA 58 which requires Space containing radio equ...

Page 12: ...al holes as required for routing all cables and fit holes with suitable grommets or bushings whenever required 2 4 Electrical installation 2 4 1 Electrical requirements GeminiPD is designed to operate...

Page 13: ...ve terminal Attach the negative wire at the vehicle end of the battery ground cable If the negative cable is con nected directly to the battery negative terminal it should be fused in case of failure...

Page 14: ...d a clear view of the sky For the optimum antenna spacing at the fre quency you are using consult System Engi neering For installation of ground plane dependent antennas the center of the metal surfac...

Page 15: ...bout two inches in front of the unit It will be much easier hereafter to cor rectly identify which mini UHF plug goes where You DO NOT want to cross the auxiliary plug with the transceiver plug 2 6 Co...

Page 16: ...One SMA type female connector for the GPS receiver not installed on GeminiPD Lite model Two LED indicators Three DE 9F RS232 ports The rear panel includes One mini UHF type female antenna connector f...

Page 17: ...Gemini PD 3 TXD data to Gemini PD 4 DTR to Gemini PD handshaking 5 Ground 6 DSR from Gemini PD tied to VCC through current limiting resistor 7 RTS to Gemini PD handshaking 8 CTS from Gemini PD handsha...

Page 18: ...is available at all points by pressing the F1 key If a subject is highlighted the help displayed will be context sensitive 4 2 To connect and start WinRIS Connect a suitable 9 conductor straight RS 2...

Page 19: ...mands are shown in light gray color Shortcut keys are listed whenever available File menu lists the Put From command Ctrl O Get command Ctrl S Get As command and below a command separator the Exit com...

Page 20: ...he only button available when first starting the program and is used to initiate the connection process Press Station Reset Enter Port and Baud rate information in the Select Port sub window Figure 7...

Page 21: ...ade to the configurations MUST be done at factory or by Dataradio system engineering 4 4 3 1 Put From button 1 On the menu bar select File then the Put From command or press the Put From button on the...

Page 22: ...of 32 hexadecimal characters exactly 2 Press the button Put Password to make the entry permanent This field may be left blank On subsequent Get Get As or Put From this field will require that the corr...

Page 23: ...twin columns the rela tive strength in dBm of an incoming RF signal on the selected channel The left column indication labeled I shows the transceiver RX signal rear mini UHF con nector The right colu...

Page 24: ...start ping testing The functions of all the other buttons are inop erative during pinging The program sends a test query and continues transmitting pings at brief intervals As soon as a Ping test sig...

Page 25: ...the toolbar button Warning and Caution messages appear in pop up sub windows To close these message boxes press the ESC key Three boxes on the right of the status bar indi cate which of the following...

Page 26: ...Test About three minutes after ignition is turned on the PWR LED on the GeminiPD front panel should flash in amber color at the rate of one pulse per second 1 This indicates that the GPS has acquired...

Page 27: ...read frequency error Refer to factory technical support SRRC4FSK Full ch unit 25 6 kb s 4 0 kHz UHF 3 7 kHz 800MHz 19 2 kb s 4 5 kHz SRRC4FSK Half ch unit 16 0 kb s 1 9 kHz UHF 2 4 kHz 800MHz 14 4 kb...

Page 28: ...bar graph Refer to factory technical support 1 unless you have set a lower value Note that readings less than 40 watts UHF model or 35 watts 800MHz model may be due to losses in cables used for testin...

Page 29: ...h auxiliary receiver TX Current at 13 6 VDC 15 A TX RX separation 5 MHz typical Nominal Dimensions 7 050 D x 6 000 W x 2 0000 H Weight 3 5 lbs RF input output Impedance 50 ohms nominal RF connector Ma...

Page 30: ...nvironmental MIL spec Environment Categories MIL Spec 810E Other Method Procedure Low Pressure Operations 500 3 II High Temperature Operations Storage 501 3 I A1 II Low Temperature Operations Storage...

Page 31: ...On message to the base An open or ground signal will send a DMP y Off message Messages are only sent when a signal transition occurs debounced for approximately 100 ms Operation When using GeminiPD or...

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