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1994-09-02
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Help system, Overview
----------------------
To use this help system simply page up/down using the cursor keys. You can
quit from help at any time by pressing Esc. To quit from the program at any
time press F10.
Startup Screen and Menus
------------------------
Before you use the CellTRAK system certain settings must be made and the
list of target numbers entered. This is accomplished using the "Pull down"
menus. These are activated by holding down the "Alt" key and pressing the
highlighted letter of the menu you require. Once any menu is visible you
can switch between menus using the left and right cursor keys. Options on
the menu may be selected either by using the up/down cursor keys and
pressing enter or alternatively pressing the highlighted letter of the
option required.
To quit from any menu simply press Esc.
New Users Guide
---------------
What follows is a simple guide to enable new users to operate the system
quickly. This demonstration will show how to monitor a mobile phone located
within the same cell (Transmission Area) as yourself. Once the cell in which
the phone located is known however, reception can be possible up to a range
of around 5-10 miles for a mobile or vehicle mounted CellTRAK system, or up
to a maximum of around 20 miles for fixed equipment with external antenna.
The first thing that must be done is to enter a target telephone number,
these numbers are referred to by the cellular system as MIN numbers (Mobile
Identity Numbers) and are slightly different to the usual telephone number.
To calculate the MIN for any given telephone number the first 3-5 digits of
the telephone number are replaced by a "System code". This is very simple
to calculate using the following chart :-
0836-XXXXXX (Vodafone, United Kingdom) = 2340-XXXXXX
0831-XXXXXX (Vodafone, United Kingdom) = 2344-XXXXXX
0860-XXXXXX (Cellnet, United Kingdom) = 2342-XXXXXX
0850-XXXXXX (Cellnet, United Kingdom) = 2346-XXXXXX
0088-XXXXXX (EireCell, Ireland) = 2720-XXXXXX
0337-XXXXXX (S.I.P., Italy) = 2222-XXXXXX
Where X means the number stays the same.
For other country/system codes please call your supplier.
PLEASE NOTE:
In some organisations editing of the target "MIN List" may be prohibited.
This is indicated by a warning tone when the Edit function is selected.
In this case numbers may be supplied as external files that can be loaded
using the File Menu.
To enter your target MIN number, hold down the ALT key and press E to bring
up the "Edit menu". Select "Edit MIN List" and enter the MIN numbers in the
box that pops up, using the cursor keys to move around. When done press the
Esc key. Up to 16 numbers may be monitored at once, but please note that
only one call may be monitored at any time and all targets should be located
within the same cell (Transmission area).
Having entered a Target number the next thing is to take note of the
channel number (frequency code) of the cell in which the phone is located.
This is easily accomplished by taking the CellTRAK system to within about
half a mile of the target phone (the nearer the better) and selecting the
"View Paging Channels" option from the view menu. If moving this close
isn't suitable there are other options available including coverage maps
or specially programmed phones that will display which cell is strongest
in any area.
Using the "View Paging Channels" option take note of the strongest "Paging
Channel" for the system you require. Two groups of channels will be
displayed. Channels 0023-0043 are classed as system A, and channels 0323-
0343 as system B.
These two groups of channels are used by various cellular companies around
the world to enable two systems to operate using the same or similar
equipment.
System A (0023-0023) : Vodafone, United Kingdom
S.I.P., Italy
Telefonica, Spain
System B (0323-0343) : Cellnet, United Kingdom
In some countries more than two cellular systems operate. To accommodate
these the View Channel Group option can be used to view other paging or
voice channel groups.
Having noted the strongest channel for the network to which your target
phone is connected, select the Options Menu. This will display three
options which may be toggled on or off. A tick next to the options
signifies on.
Monitor Any Call When ON CellTRAK will monitor all calls or activity
on the network in addition to any numbers on the
target "MIN List".
When OFF Only calls to/from phones on the target
list will be monitored.
Monitor Call Audio When OFF the system will just increment the counter
next to the MIN number of the phone when the phone
registers to the system or makes/receives a call.
When ON the system will allow monitoring of calls
to/from the phone and follow those calls as they
are transferred from one channel(frequency) or cell
to another. This option would usually be ON.
Auto Call Release For un-attended monitoring of calls in one location
this would normally be ON to enable the CellTRAK
system to automatically disconnect at the end of all
calls. When the CellTRAK system is attended it is
recommended this is switched OFF to enable the user
to follow a target without losing calls due to week
signal strength or interference. (Calls will still
terminate if "released" by the system at the end of
a call.)
For this demonstration set : Monitor Any Call = Off
Monitor Call Audio = On
Auto Call Release = Off
You are now ready to select "Monitor" from the Monitor Menu. When selected
you will need to enter the "Paging Channel" that you obtained from the "View
Paging Channel" option or coverage maps etc. Type this in where prompted and
press enter. Please note that if channel number 0000 is entered or enter is
pressed on its own the system will not be able to monitor any call audio.
After entering the channel the number under Wrd should flash between 1 and
0 indicating data received from the network. After a few seconds the Area
Identity Number of the local mobile exchange (sometimes called Switch)
should appear underneath the AID heading and some activity may be viewed
scrolling in the network window.
THE SYSTEM IS NOW SET TO RECEIVE ANY CALLS TO OR FROM THE TARGET PHONES.
When running the following keys may be used:-
When no call is in progress.
----------------------------
Esc - Quit Back to "Inactive" prompt.
C - Enter new paging channel
M - Enter voice channel to monitor
V - Go back to the last voice channel and monitor.
When monitoring a call.
-----------------------
End - Quit call and return to Paging Channel
UpArrow - Volume Up
DownArrow - Volume Down
Left/Right - Change active audio output
Below is a brief overview of the headings at the bottom of the screen:-
PgChan - User selected paging channel
Audio - Current audio routing.
Vol - Current audio volume 0-7 (0=Min 7=Max)
Product - Indicates the version of CellTRAK you are running
Unit - Indicates the CellTRAK unit you have connected
AID - Area Identity of the cell you are monitoring
RegInc - Registration Increment, Used by the phone for periodic registration
MS - TACS Version support of the cell (00=TACS Release 3, 01=Release 4)
Wrd - Word Received Data Indicator (Constant 0=No data)