This document provides an installation and operation overview for Midian's CAD series products. It includes sections on hardware specifications, installation, programming, software installation, product operation, technical notes and Midian contact information. The document outlines how to test the radio, connect the modem, program the software, set up the hardware and software, and use the various screens and features to monitor radio traffic and selectively call radios.

1. INSTALLATION OVERVIEW
1. Test the radio for functionality.
2. Connect the CAD modem to the radio per the
Hardware Installation Section of this manual.
3. Program the CAD software and modem per the
CAD Series Product Programming Section of this manual.
Manual Revision: 2007-05-18 ***Midian is not responsible for any damage/loss
resulting from the use of Midian’s products.
Covers Firmware Revisions:
CAD-100/200: 1.7 & Higher
CAD-200E: 1.3 & Higher GENERAL INFORMATION
CAD-300: 3.6 & Higher
CAD-400: 1.1 & Higher Midian’s CAD Series products enable the dispatcher
CAD-500: 1.1 & Higher to identify radio users by decoding and displaying
CAD-600: 1.0 & Higher the unit’s ANI or PTT ID, as well as users in distress
CAD-MF: 1.0 & Higher when using the ENI.
Covers Software Revisions: Midian’s CAD-100, CAD-200, and CAD-300 offer
CAD: 3.10 & Higher selective calling for functions such as individual call,
group call, disable/enable, etc. The CAD-400, CAD-
500, CAD-600, and CAD-MF only decode ANI and
HARDWARE SPECIFICATIONS Emergency ANI.
Operating Voltage 7.5-15 VDC
Operating Current 40 mA SYSTEM REQUIREMENTS
Maximum Current 1A
Operating Temperature -30 - +60 C Operating System: Windows 98 SE or Higher
Modem Baud Rate 1200 Processor: Pentium 2 or Higher
Hard-Drive Space: Minimum 20 MB
RAM: Minimum 256 MB
SIGNALING SPECIFICATIONS
CAD-100: DTMF HARDWARE INSTALLATION
ANI Length Up to 9-digits
ANI Timing 60/40 msec Be certain to follow standard anti-static procedures
CAD-200: 5-tone when handling Midian products. For installation
ANI Length Up to 9-digits instructions for a particular radio, please consult
ANI Timing Varies on Format Midian’s application notes for the CAD if available.
CAD-300: Midian’s Kryptic
ANI Length 4-digits The following connections are available on all CAD
ANI Timing 140 msec modems:
CAD-400: M/A-Com’s GE-Star
ANI Range 0001-16,383 P1-1 – Ground – Connect to ground in the base
ANI Timing 320 msec station.
CAD-500: Motorola’s MDC-1200
ANI Range 0000-FFFF P1-2 – B+ - Connect to a 7.5-15 VDC source in the
ANI Timing ~180 msec base station.
CAD-600: Kenwood’s FleetSync
ANI Range 1000-4999 P1-3 – PTT Output – This open collector provides a
ANI Timing ~100-150 msec ground during PTT. If connecting to a relay in the
radio, make sure the coil is bypassed with a diode to
eliminate counter EMF.
P1-5 – Squelch Output – Connect to a squelch
point in the base station that mutes the speaker.
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2. P2-4 – Request to Send
P1-8 – Alarm Output – This connection is optional
as the PC will give an audible tone. This output goes P2-5 – Clear to Send
active whenever an emergency status is received.
The transistor Q4 provides an open collector to P2-6 – Data Set Ready
ground to trip a bell, sonalert, etc. It is necessary to
install a jumper from the collector of Q4 to P1-8. P2-7 – Ground
P1-9 – COR Input – Connect to a point in the radios P2-20 – Data Terminal Ready
squelch or CTCSS circuit that changes logic level
when a carrier is detected. If a high level is
provided, move R40 from its pull up to its pull down HARDWARE ALIGNMENT
position. A radio whose squelch circuit provides a
logic-low or high can readily turn Q1 on and off. If CAD-100/200/200E:
the point only makes a small change in voltage, it
may be necessary to adjust the values of R39 and For DTMF JU-2 should be installed. For 5-Tone JU-2
R40 to Q1 to change states. If the COR is not being should be removed and JU-3 should be installed.
used ground this input and program the COR
polarity as ground. Input Level: Apply a signal that fully quiets the
receiver, modulated by a 1000 Hz tone at ±3.3 KHz
P1-10/P1-11 – RX 600-Ohm Balanced – Optional – (wideband) to the receiver (1.65 kHz for
This is a 600-Ohm balanced input that is used when narrowband). While monitoring TP1, adjust R2 just
the system is directly connected to the RX line from below clipping.
the base station in a remotely controlled base station
over a phone line. Twist: For DTMF systems modulate the RF carrier
with 697 Hz and 1633 Hz tones in succession.
P1-12 – RX HI-Z Input – Connect to the receiver Adjust R5 until the 2 tones at U2 Pin 3 are
audio output of the base station, preferably after the approximately the same size.
CTCSS high-pass filter.
Output Level: Start the CAD-100/200 software and
The following connections are only available on the command the unit to send data. Adjust R78 for a
CAD-100/200/300 and are only needed when deviation of ±2.8-3.0 KHz on the system transmitter.
encoding.
CAD-300:
P1-4 – Trunk Delay Input – This input prevents the
modem from transmitting until a channel has been 1. Using a service monitor in the generate mode,
acquired. Hook to a point in the radio that provides provide a signal level strong enough to quiet the
an output after the channel has been acquired.
base station. Set the 1 KC test tone for 3.5 KC
deviation.
P1-6 – TX Audio Output – Connect to the MIC-High
in the radio. Removing JU4 and installing R81 with a
2. Observe TP-1 with an AC voltmeter or
value equivalent to the required impedance can
change the output impedance. oscilloscope and set the level via R-2 to 250 mV
RMS (700 mV peak-to-peak).
P1-7/P1-8 – TX 600-Ohm Balanced Output –
Optional – Connect this output to the TX side of a 3. Switch the service monitor over to receive mode
600-Ohm balanced audio source. If using this to set the base station’s transmitter’s deviation from
feature the Alarm Output is not available and JU8 the CAD-300. Program the modem with a Front
should be removed. porch time of 900 msec and select the Front porch
tone to be sent as a preamble. Start the CAD
The following are the pins used on the Female DB- software and select a unit to call and hit enter to
25 connector (RS-232). The DB-25 can be taken send data. The data will last for a little over 1
down to a DB-9 or to a USB port using a Serial to second allowing time to adjust R-78 for a minimum
USB converter. deviation of ± 3.3 KHz on the base station
transmitter. After setting the deviation you will want
P2-2 – RX Input to disable the front porch tone.
P2-3 – TX Output 4. Using a TVS-2, send an ANI, selective call, etc. to
see if they display on the CAD screen. If they do not
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3. display check the radio’s modulation to make sure it feature and a help box will open with an explanation
is running between 3.5-4.5 KC of deviation. of the feature.
5. Send signals from the CAD and check for Modem Tab:
decoding and ringing of the filed units.
For an explanation of the features in the setup of the
PLL Alignment: The CAD modem comes aligned CAD software, simply right click over the title of the
from the factory. However, in the event it is feature and a help box will open with an explanation
necessary to align the phase lock loop, perform the of the feature.
following steps: Ground U8-9. Adjust R-28 for 19.6
KHz at U8-4. Remove ground from U8-9. Adjust R- Note: Prior to writing to the modem, the RX Input
26 for 27.6 KHz while observing U8-4. must either be quieted or disconnected. If there is
noise present at the RX Input during modem
CAD-400 Decoder PLL Adjustment: programming, it may interfere with programming and
result in EEPROM corruption.
The phase-locked-loop is pre-adjusted at the factory
and should not need adjustment. In the event that it Status Tab:
does require adjustment, perform the following
steps: For an explanation of the features in the setup of the
CAD software, simply right click over the title of the
1. Ground U8-9. feature and a help box will open with an explanation
of the feature.
2. While observing U8-4 with a frequency counter or
oscilloscope, adjust R28 such that 18 kHz is Password Tab:
measured at U8-4.
If the system administrator wishes to password
3. Remove ground from U8-9. While observing U8-4 protect certain functions, check the enable password
with a frequency counter or oscilloscope, adjust R26 box and then select which features to protect. When
such that 25.6 kHz is measured at U8-4. the protected features are accessed the user will be
prompted to enter the password.
CAD-400/500/600 RX Audio Level:
Colors Tab:
Apply a signal that fully quiets the receiver,
modulated by a 1000 Hz tone at ±3.3 KHz This tab enables the administrator to change the
(wideband) to the receiver (1.65 kHz for appearances of active text and the various
narrowband). While monitoring TP1, adjust R2 just backgrounds.
below clipping.
CAD-MF: OPERATION
Perform the necessary PLL and RX Audio level Main Window:
adjustments for the CAD-100/200/400/500/600.
File Menu: Here the user can open the desired
screens and import subscriber and other databases.
SOFTWARE INSTALLATION
Options Menu: Allows the user to specify which
Insert the CD into the CD-ROM drive and close the columns to display in the active screen. For example
drive. The CD will auto-run. Click on the side menu if the Traffic Log screen is active the user may only
bar for miscellaneous software and select the CAD wish to show the Unit ID, Name and Time.
software. Follow the set-up procedures.
Window Menu: Enables the user to change how the
screens are placed on the screen.
PRODUCT PROGRAMMING
Traffic Log Screen:
General Tab:
The information in this screen will show activity in
chronological order with the most recent being at the
For an explanation of the features in the setup of the
top of the screen. Columns may be moved into any
CAD software, simply right click over the title of the
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4. order by clicking and dragging the filed into the Select the unit to have its security keys
desired position. reprogrammed and click on the OTAR icon. This will
reprogram the unit with the keys specified in the set-
Subscriber Screen: up.
Clicking a particular column header enables the
dispatcher to sort the column. Columns may be Spy: Select the unit to be spied upon and then
moved into any order by clicking and dragging the click the spy icon. If the field unit is capable of this
filed into the desired position. feature the field unit will key-up for a pre-
programmed period of time, so the dispatcher can
listen in on the field unit.
Add New Subscriber: Clicking on the add
icon will open the subscriber information screen. Modem Status Screen:
Enter the user description and the desired ID’s.
This screen will indicate if the modem is on-line or
off-line and the version of the modem.
Edit Subscriber: Select the unit to be edited
and click on the edit icon. The subscriber information Alarm Status Screen:
screen will be opened, so the unit details can be
edited. This screen will display incoming emergency
statuses.
Delete Subscriber: Select the unit to be System Messages Screen:
deleted and click on the delete icon. This will
permanently delete the unit from the database. This screen is used as a diagnostic tool for internal
messages used by the program.
Subscriber Properties: TBD.
TECHNICAL NOTES
Radio Compatibility: Midian has taken the utmost
Call: Select the unit to be called and then click care to ensure the CAD integrates with the radio
the call icon. If the unit is programmed with a call ID with minimal impact to the features of the radio.
then the unit in the field will decode and ring. However, some features may not be available in the
radio when a CAD is used. If a feature is not
available, please contact Midian to see if the feature
Query: Select the unit to be queried and then can be added.
click the query icon. This will send a query or radio
check command to field units capable of this feature, International Windows Versions: Even though
which will in turn cause the radio to send an Midian has worked to make this product
acknowledgement to the dispatcher to verify the internationally compliant, Midian recognizes that
radio is transmitting and receiving. there may be additional issues to be resolved.
Enable: Select the unit to be enabled and MIDIAN CONTACT INFORMATION
then click the enable icon. This will re-enable a
previously disabled field unit. Midian Electronics Inc.
nd
2302 East 22 Street
Tucson, Arizona 85713 USA
Disable: Select the unit to be disabled and
then click the disable icon. This will disable a field Orders: 1-800-MIDIANS
unit that is capable of the Deadbeat Disable or Phone: 520-884-7981
Radio Kill feature. Fax: 520-884-0422
E-mail: sales@midians.com
Web: http://www.midians.com/
Over-The-Air-Reprogramming (OTAR):
This feature is only available on the CAD-300.
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