




2ND. EVEL IGIPEATING MAY NOT BE THE BEST WAY OF INCREASING ONES RANGE. T IS
GOVERNED BY THE GENERAL  ON THE FREQUENCY AND HOW WELL THE VARIOUS DIGIS CAN
"HEAR" ONE ANOTHER. F THERE ARE ANY RE-TRIES, THESE CAN ONLY BE INITIATED BY
THE PERATOR AND THE : PARAMETER SET, NOT ONLY IN  BUT IN ANY OTHER
YSTEM AS WELL. 2ND. LEVEL DIGIPEATING IS BASICALLY REPEATING THE REQUEST OF
THE INITIATING STATION AND THEN PAUSE UNTIL ANOTHER REQUEST COMES FROM EITHER
THE INITIATING STATION OR THE REPLYING ONE.  FAR BETTER WAY WILL BE TO USE THE
. HE ONE IN  OR ANY OTHER, USE 3RD LEVEL DIGIPEATING AND LET THE
VARIOUS ODES, WHO AFTER ALL SHOULD HAVE GUARANTEED ATHS (IGI-OUTES), TO
MAKE THE CONNECTION.
EFAULT 255


IT X               X

EFINES THE TIME IN (X * 10 MSEC.) DURING WHICH THE ECEIVER WILL "LISTEN" FOR
A CLEAR FREQUENCY  THE TRANSMITTER EYS UP AND SENDS A PACKET AGAIN.
HIS HELPS TO AVOID COLLISIONS BETWEEN PACKETS FROM VARIOUS STATIONS. OR
ADDITIONAL SAFETY, THE TIME SET WILL BE MIXED WITH A RANDOM SAMPLE TIME. HE
CALCULATION IS SIMILAR TO THE ONE USED IN  FOR A NORMAL .
X = 0....255.
 FROM THE WRITER: T WAS FOUND THAT IN CROWDED FREQUENCIES, SUCH AS IN
                      ONDON, A  VALUE OF 0(ZERO) WORKS BEST.T APPEARS TO
                      MINIMIZE THE AMOUNT OF RETRIES AND COMMUNICATION
                      THERE APPEARS NOT TO BE TOO MANY COLLISIONS OF PACKETS.
                      N ANY CASE THE YSTEM TAKES CARE OF ANY OTHER PACKETS ON
                      THE FREQUENCY BY IGNORING THEM, HAVING LOCKED TO THE
                      CONNECTED STATION'S CALLSIGN.

 FROM THE EDITOR:  CANNOT AGREE WITH THE ABOVE NOTE. HE PURPOSE OF 
                      IS TO GIVE IGIPEATERS AND ODES PRIORITY ON THE CHANNEL
                      SO, UNLESS YOU ARE USING YOUR STATION AS A ETWORKED
                      ODE, YOU SHOULD SET  TO 16 (160 MS.) OR YOUR LOCAL
                      STANDARD.

HE EACON DOES NOT TAKE  INTO ACCOUNT, IT WILL BE TRANSMITTED AT THE
APPROPRIATE TIME INTERVAL.
EFAULT 16


CK X               X

RAME CKNOWLEDGE () IS USED BY THE YSTEM TO REQUEST A REPEAT OF THE
LAST PACKET RECEIVED, IF THIS ARRIVES CORRUPTED.  HE TIME IS CALCUCLATED IN
SECONDS, (X = 2.......255). HE YSTEM "WAITS" FOR "X" SECONDS BEFORE SENDING
THE REQUEST FOR RE-TRANSMISSION.  F THE CONNECTION IS ACHIEVED VIA
DIGIPEATERS, THEN THE TIME FOR  IS CALCULATED BY THE FORMULA X=2*+1,
WHERE D IS THE NUMBER OF IGIPEATERS IN THE CONNECTION CHAIN.
EFAULT 7  (XPERIMENTS FOUND THIS TO BE OPTIMUM IN CROWDED FREQUENCIES)









AGE 33               ANDBOOK >64 ERSION 5.0







LL X               X

HIS PARAMETER IS USED BY  TO  (STORE AND ISPLAY) "SHORT -FRAMES".
T DOES SAVE TIME AND LOTS OF RE-TRIES   , AS IT DOES SET
FASTER CONFIRMATION OF "SHORT -FRAMES". X = 0....255.  F X IS SET TO ZERO
THE  FACILITY IS SWITCHED . F  THEN "SHORT-RAMES", WHICH HAVE
CORRUPTED, WILL NOT BE REQUESTED BY "" BY THE  YSTEM, BUT WITH THE
FULL DISPATCHED INFORMATION, THEREBY SLOWING THE TRANSFER DOWN.
EFAULT 60


ME X               X

ETERMINES THE TIME IN X * 10MS STEPS, FOR WHICH THE YSTEM WILL WAIT FOR
PREVIOUSLY ENTERED DATA TO BE TRANSMITTED, WHILST THE KEYBOARD IS IN USE.
ITHIN THAT TIME THE ACTIVITY FROM THE COMPUTER IS MINIMAL AND THAT ALLOWS A
CONTINUOUS INPUT FROM THE KEYBOARD. HE SELECTED TIME MUST NOT BE  SHORT
BECAUSE THIS WILL CAUSE ERRATIC BEHAVIOUR OF THE CURSOR.   ALSO ALLOWS
TIME FOR MORE DATA TO BE "BUFFERED" FOR TRANSMISSION, SO MORE THAN ONE LINE
CAN BE PACKED IN A SINGLE FRAME, THEREFORE UNDER GOOD OPERATING CONDITIONS,
DATA TRANSFER IS ACCELERATED.
EFAULT 40



MMEDIATE OMMAND.  HIS COMMAND ALLOWS THE YSP   . N OTHER
WORDS, IF YOU ARE RUNNING A  AND A  FROM A LOCATION OTHER THAN YOUR
OWN HOME, THEN YOU CAN INTERROGATE  REMOTELY AND HAVE  ACCESS TO
PARAMETERS AND ISK DRIVES. OU CAN ALTER PARAMETERS, READ AND  MASSAGES
AND FILES FROM THE DISKETTE(S), SET AND ERASE ATHS (IGI-ROUTES) IN THE
ATHFINDER AND ALTER THE  AND TANDARD EST LISTS.  F YOU ARE IN  DOUBT
OF HOW TO USE THIS OMMAND    IT AS YOU MAY LEAVE YOUR YSTEM OPEN TO
ABUSE BY SOME UNSCRUPULOUS PERATORS.

 REPRESENTS THE ASSWORD COMMAND THAT PERATORS OF ODE YSTEMS SUCH AS HEET
ARE USING TO INTERROGATE THEIR YATEMS REMOTELY.  T  BE SET 
OTHERWISE IT WILL  WORK.

O SET  THE FOLLOWING  BE DONE:

ET TANDARD EXT 00 AND 01 AS FOLLOWS:

: 00  ....................   (  40  )
: 01  ...................   (  40  )

HESE 2 LINES  CONSIST OF 40 CHARACTERS  AND YOU  REMEMBER  OF
THOSE CHARACTERS.   SPACES ARE USED BETWEEN THE CHARACTERS.
HESE TWO TANDARD EXT INES  THE ASSWORD, THAT  WILL USE IF
THE // COMMAND IS ISSUED BY A CONNECTED TATION.

HE YSTEM WORKS LIKE THIS:  HEN // IS SEND BY THE CONNECTED STATION 
RESPONDS WITH 5 NUMBERS, THESE WILL BE SELECTED AT RANDOM FROM THE 80 PLACES
AVAILABLE IN  00 AND  01.





AGE 34                 ANDBOOK >64 ERSION 5.0







F THE CONNECTED STATION REPLIES WITH THE LETTERS CORRESPONDING TO EACH OF THE
5 NUMBER PLACES FROM THE PASSWORD CORRECTLY, THEN HE GAINS FULL YSTEM
CONTROL. HE FIRST CHARACTER IN  00 IS NUMBER 1, THE LAST IS NUMBER 40.
IMILARLY THE FIRST CHARACTER IN  01 IS NUMBER 41 AND THE LAST ONE 80.

CCESS TO THE WHOLE YSTEM REMOTELY WILL DEPEND NOT ONLY IN ANSWERING THE
PASSWORD CORRECTLY BUT ALSO IN THE  AND  PARAMETERS AND THEIR VALUES.
 MUST BE SET TO  AND   MUST NOT BE SET TO 5.  WISE PARAMETER
SET, FOR REMOTE YSP ACCESS MAY BE WITH  + <EMOTE TATION ALLSIGN>,
  4 AND THE APPROPRIATE PASSWORD SET IN THE  00 AND  01.  S A MINIMUM
 UST BE SET TO  AND   0.

HERE IS A SHORTCUT IN ANSWERING THE PASSWORD, IF  SYSTEMS ARE .
HEN THE SET OF 5 NUMBERS ARE SENT BY THE EMOTE TATION, AND IF THE PERATOR
IS RUNNING A SECOND  YSTEM AND HAS SET THE  PASSWSORD AS THE ONE IN
THE EMOTE TATION, THEN WHEN THE 5 NUMBERS ARRIVE  THE EMOTE TATION,
PLACE THE COLON [:] AND TYPE  FOLLOWED BY THE SET OF THE 5 NUMBERS. 
WILL RETURN THE APPROPRIATE LETTERS, WHICH THEN CAN BE TRANSMITTED, AND ULL
EMOTE CCESS WILL BECOME POSSIBLE.

F THE FACILITY IS TO BE USED BY THE PERATOR, THEN TO AVOID UNAUTHORIZED
CCESS, THE  (EMOTE ONTROL ARAMETER ET) MUST BE SET TO 5 LIKE THIS:
  5 <RETURN>.  LSO THE  FUNCTION THAT SHOWS THE TANDARD EXTS ET
 BE SET TO 5 LIKE THIS:   5 <RETURN>, IN ORDER TO STOP OTHER
OPERATORS OR USERS FROM READING THE PASSWORD.


KTIME X            X

HIS IS THE TIME AFTER WHICH THE LINK TO A CONNECTED STATION IS CHECKED. F
NOTHING IS HEARD THEN THE CONNECTION WILL BE CHECKED AS MANY TIMES AS THE
NUMBER SET IN . F STILL THERE IS NOTHING HEARD THEN THE YSTEM WILL
ATTEMPT A DISCONNECTION. X = 0.......255. T IS CALCULATED BY X * 10SEC.
EFAULT 30.

FRAME X            X

HIS SETS THE MAXIMUM AMOUNT OF ACKETS THAT WILL BE SENT OUT WITHOUT WAITING
FOR CONFORMATION FROM THE CONNECTED TATION. F CONDITIONS ARE NOT FAVORABLE
THEN IT SHOULD BE SET TO 1. X = 1.......7.
EFAULT 2

O /  (NLY WITH THE >64 ARD)

F SET TO  THEN THE TWO CHANNELS CANNOT SEND SIMULTANEOUSLY. NE MUST WAIT
FOR THE OTHER TO FINISH TRANSMITING BEFORE IT DOES.  F SET TO  THEN OTH
CHANNELS CAN SEND INDEPENDENT FROM ONE ANOTHER AND SIMULTENEOUSLY.
EFAULT 

LAGS X             X

HIS OPERATES WITH THE CASSETTE VERSION ONLY, X = 0.......255.  F A FRAAME IS
RECEIVED WHICH CARRIES MORE LEADING FLAGS THAN X, THEN IT WILL NOT BE
EVALUATED.  T WILL BE DISPLAYED ON THE MONITOR, BUT  WILL NOT RESPOND
TO ANY CONNECT REQUESTS, ETC.  O ANY STATION WITH A  SET TO A NUMBER
LARGER THAN X, WILL BE IGNORED.


                      ANDBOOK >64 ERSION 5.0               AGE 35







ALL 000000         000000

HIS SETS THE INDIVIDUAL PORT CALLSIGN.  SUALLY THE PERATORS OWN
CALLSIGN.  HE PARAMETER WILL ACCEPT A MAXIMUM OF SIX (6) CHARACTERS, EXCLUDING
ANY  (INGLE-UFFIXED ENTITY), SO CALLSIGNS LIKE 0-13 WILL BE
ACCEPTED. S FROM 1 TO 9 ARE DISPLAYED AS ORDINARY NUMBERS. 10 AND UP
ARE DISPLAYED WITH THEIR EQUIVALENT HEXADECIMAL VALUE SO 0-15 WILL BE
SHOWN AS 0-.  ACH PORT CAN HAVE IT'S OWN CALLSIGN AND/OR . N THEORY
THEREFORE, FOR A STATION USING THE >64 CARD AND BOTH CHANNELS, 8 DIFFERENT
 CAN BE SET.  HIS OF COURCE IS ONLY A THEORETICAL SITUATION. ORE
REALISTICALLY, IF THE PERATOR USES THE YSTEM AS DEFAULTED, WITH AN AUTOMATIC
MAILBOX AND A ODE FACILITY ON, THEN HE ONLY NEEDS TO SET HIS CALLSIGN IN  4
PORTS (8 FOR THE >64 ARD), OR IF HE WANTS A CONVENTIONAL LOOKING  THEN
A -2 AFTER HIS ALLSIGN WILL SET THE  PORT. THER CONVENTIONS DO EXIST,
AS AN  EXTENTION OF -7 NORMALLY DENOTES A 70CM OPERATION, A -4, 4 METERS, A
-8, A ODE ON 2 METERS, ETC. EMEMBER THAT THESE ARE CONVENTIONS AND REALLY YOU
CAN SET ANY  EXTENTION YOU LIKE, PROVIDING YOU DO INFORM OTHER USERS IN
YOUR BEACON.

O SET , JUST TYPE AT THE COLON [:] : 9 <RETURN>. HAT WILL SET
YOUR CALLSIGN IN THAT PORT. HEN PRESS AND HOLD THE <> KEY AND HIT O.
TWO (2), YOU WILL SEE ORT 2 DISPLAYED ON YOUR SCREEN. EPEAT THE OPERATION AS
FOR ORT 1, THEN FOR 3 AND 4. NCE YOU HAVE FINISHED SETTING YOUR CALLSIGN AND
ALL THE OTHER PARAMETERS, DO NOT FORGET TO  THEM ON THE DISKETTE YOU USE TO
LOAD THE PROGRAM FROM SO THAT  WILL START WITH  FAVOURITE
PARAMETERS IN PLACE AND READY TO GO. (EMEMBER:  0 FOR THE CASSETTE ORT
VERSION,  9 FOR THE >64 ERSION).

 WILL INCREASE THE  VALUE BY 1 IF YOU ATTEMPT A CONNECT TO THE SAME
STATION OR ODE FROM MORE THAN ONE ORT SO THAT THERE WILL BE NO PACKET
COLLISIONS.


 / /  (NLY >64 ARD ERSION)

HIS COMMAND IS USED FOR  TO DISTINGUISH BETWEEN THE ORIGINAL 3
MODEM AND THE NEW 9 ONE.  F SET TO  THEN THE FOLLOWING MUST BE DONE.
HE 9 MODEM MUST BE CONNECTED ON PLUG  1 (HANNEL 1) OR  2 (HANNEL 2).
HE 74393 WILL SYNCHRONIZE 3, HANNEL 1, OR 4, HANNEL 2.  HE 9
MODEM WILL ACCOMODATE THE 8530 WITH ITS RATE, WHICH WILL BE SYNCHRONIZED ON
-IGNALS ON THE ECEIVE SIDE OF THE 9 ODEM.  HE  PARAMETER
BECOMES INVALID, AS THE CORRESPONDING RATE WILL NO LONGER BE GENERATED
INTERNALLY BY . N ORDER FOR  MODEM TO OPERATE UNDER NORMAL 1200
AUD, OR IF THE ORIGINAL 3-ODEM IS USED, THE   BE SET TO /
(BOTH HANNELS).
EFAULT /


SALL /        /

F SET TO  WILL ALLOW CORRUPTED OR INCOMPLETE PACKETS, (ONES WITH THE WRONG
), TO BE DISPLAYED ON SCREEN AND/OR PRINTED IF THE PRINTER IS ON.
HIS CAN CAUSE A YSTEM LOCK-UP UNDER CERTAIN CIRCUMSTANCES AND  SHOULD
ONLY BE SET TO  FOR ESTING PURPOSES, OTHERWISE THE PURPOSE OF PACKET ADIO
OF ERROR FREE OPERATION WILL BE DEFEATED.
EFAULT 


                    ANDBOOK >64 ERSION 5.0                   AGE 36


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