The Leader in Event Critical Timing Electronics
Model 3220 Series
Timer SBD
Soap Box Derby
Finish Differential & ET Timer
Owner’s Manual
Rev M
RaceAmerica Corporation
P.O. Box 3469
Santa Clara, CA 95055-3469
USA
(408) 988-6188
http://www.raceamerica.com
info@raceamerica.com
Copyright 2008 RaceAmerica Corporation.
RaceAmerica Model 3220 Timer SBD
Table of Contents
LIMITED WARRANTY ........................................................................................................................3
PACKAGE COMPONENTS .................................................................................................................4
POWER REQUIREMENTS ..................................................................................................................4
PRODUCT SPECIFICATIONS .............................................................................................................4
AVAILABLE OPTIONS ........................................................................................................................4
THEORY OF OPERATION ..................................................................................................................4
SET-UP STEPS - 3220 SERIES ...........................................................................................................5
Cabling Diagram ...............................................................................................................................5
Power On/Self-Test ...........................................................................................................................5
Alignment Mode ...............................................................................................................................6
Configuration ....................................................................................................................................7
TIMING A RUN ....................................................................................................................................7
Finish Differential .............................................................................................................................7
Finish Differential plus Elapsed Time ..............................................................................................8
Abort a run ........................................................................................................................................8
Options ...................................................................................................................................................8
Elapsed Time (ET) ...........................................................................................................................8
Adding Win Lane Lights ...................................................................................................................8
Printing a Timeslip ............................................................................................................................8
Adding Elapsed Time ........................................................................................................................9
Adding a Scoreboard .........................................................................................................................9
PC Software ......................................................................................................................................9
MAINTENANCE ..................................................................................................................................9
SPARE PARTS .......................................................................................................................................9
SUPPORT AGREEMENTS .................................................................................................................10
WIN LIGHT ASSEMBLY INSTRUCTIONS .....................................................................................10
FOAM STAND ASSEMBLY ..............................................................................................................11
TIMESLIP HEADER WORKSHEET .................................................................................................12
03/24/08
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RaceAmerica Model 3220 Timer SBD
RACE
MERICA
A
T i m i n g S y s t e m s
LIMITED WARRANTY
To the original purchaser of this RaceAmerica product, RaceAmerica warrants it to be in good working order for a period of ninety (90) days from the date of purchase from RaceAmerica or an authorized
RaceAmerica distributor. Should this product malfunction during the warranty period, RaceAmerica
will, at its option, repair or replace it at no charge, provided the product has not been subjected to misuse, abuse, or alterations, modifications, and/or repairs not authorized by RaceAmerica.
Any product requiring Limited Warranty service during the warranty period should be returned
to RaceAmerica with proof of purchase. If return of merchandise is by mail, the customer agrees to
insure the product, prepay shipping charges , and ship the product to RaceAmerica, Inc., 280 Martin
Avenue Unit 1, Santa Clara, CA 95050.
ALL EXPRESSED AND IMPLIED WARRANTIES FOR THIS PRODUCT ARE LIMITED IN
DURATION TO THE ABOVE NINETY DAY PERIOD.
UNDER NO CIRCUMSTANCES WILL RACEAMERICA BE LIABLE TO THE USER FOR
DAMAGES, INCLUDING ANY LOST PROFITS, LOST SAVINGS, OR OTHER INCIDENTAL
OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF, OR INABILITY TO USE,
SUCH PRODUCT.
THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY ALSO HAVE
OTHER RIGHTS WHICH MAY VARY FROM STATE TO STATE.
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RaceAmerica Model 3220 Timer SBD
PACKAGE COMPONENTS
Each 3220 Series Timer SBD timing system
package includes:
1 - 3220D Series Console Unit
1 - IR Beam Emitter Model 5042
2 - IR Track Sensors Model 5140
1 - Interconnect Cable Assembly for
Track Sensors & Win Lights (option)
3 - Foam Stands (7540)
1 - 12VDC Power Patch Cord
1 - Owners Manual
POWER REQUIREMENTS
You will need these additional items to
operate your 3220 Series timing system:
1 - 12VDC automotive battery for Console
4 - ‘C’ batteries for Beam Emitter
NOTE: Operating the timer from a battery
connected to a charger or running car will result in
an over voltage condition and damage the timer.
PRODUCT SPECIFICATIONS
The following listing provides the designed
performance specifications for the 3220 Series
timing systems:
Lane Width 4 to 50 Feet
Differential Capacity up to 900.000 sec
ET Capacity up to 900.000 sec
Time Accuracy 0.001 seconds
Model 3220 AVAILABLE OPTIONS
6220B Winning Lane Lights (qty 2)
6038S Dot-Matrix Timeslip Printer
6560/6860 Large Display (Win Lane/Delta)
and or Elapsed Time (ET)
06-S101 1000’ Start Cable/Switch
06-S102 1000’ Start Cable/Sensor/Emitter
4500B Data Communication PODs
(for peripherals >100ft - 2 req’d)
4520A/B Wireless RF Links (2 req’d)
6070B Carry/Storage Case
6502A AC Power Adapter
3120A AXWARE Derby Software
3120B AXWARE Derby + Race
Management S/W
3120C AXWARE Derby + Race
Management (AASBD) S/W
THEORY OF OPERATION
The 3220 Series Timers are completely
self contained race timing systems made
with CMOS circuit components to provide a
highly accurate timing solution. The system
contains an internal quartz crystal clock for
time accuracy and display of race results to
one thousandth of a second.
Power is supplied to the timer console
and track sensor components of the 3220 by
the 12VDC automotive battery connected to
the RED and BLACK alligator clips, cigarette
lighter adapter, or an AC adapter. An absolute
minimum of 11.0VDC is required for reliable
operation of the system. Under normal
conditions, charged batteries will operate for
days without a recharge.
The Beam Emitters and Track Sensors
operate on invisible (to the unaided human eye)
Infra Red light. The coded light frequencies
are constantly received by the Track Sensors
until a car interrupts reception (‘breaks’ the
beam).
The IR Beam Emitter to Track Sensor
transmission operates on Line-of-Sight
principles. This makes alignment of these units
critical. Tips are provided to aid alignment on
surfaces that are other than ideal. These units
will operate over a wide range of conditions
but should not be operated beyond the
specification parameters (less than 4 ft or more
than 50 ft).
Once the system is properly set up and
aligned, the timer console will ‘monitor’ the
track sensors each time a run is made.
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RaceAmerica Model 3220 Timer SBD
SET-UP STEPS - 3220 SERIES
STEP 1 -
Familiarize yourself with the components pictured
in this manual and how they interconnect. The
Track Sensor Interconnect Cable is configured
for connection between the a Sensors, Win Lights
and timer console at the finish line with a tail for
a Start Sensor.
All connectors are keyed for proper orientation.
The 12VDC battery is connected with the RED
alligator clip to plus (+) terminal of the battery
and the BLACK alligator clip to (-) terminal of
the battery.
The free standing, battery powered Model 5042
IR Beam Emitter is placed on the centerline of the
track at the finish line and the Model 5140 IR Track
Sensors are placed on the outsides at the finish
line. The Track Sensor units are interchangeable
with each other. The Track Sensor Cable is keyed
to match the Lane 1 and Lane 2 track sensor
positions and marked at the end of the cable (see
cable diagram)
Picture shows one unit from the top and one unit
from the bottom.
Model 5042
IR Beam Emitter
Model 5140
IR Track Sensor
Model 5042 - IR Beam Emitter
The unit contains two Emitter units facing opposite
directions, powered by 4 ‘C’ batteries. When
connected to the batteries, the Emitter is ON.
Place the battery pack in the bottom of the Foam
Stand.
Model 5140 - IR Track Sensor
Note cable connector is located in the side facing
away from the track. All Track Sensor are fully
interchangeable with one another. Track Sensor
is pictured both top and bottom sides up.
STEP 2 -
Identify the emitter/sensor placement at the
finish line. The lane width should be set between
four (4) and fifty (50) feet. To help in determining
initial Beam Emitter to Track Sensor alignment in
larger track widths, use a string stretched between
the beam emitter and track sensor or eyeball a
straight line between units.
STEP 3 -
Layout the Track Sensor Interconnect Cables
on the track site (see cable diagram). The large
round connector connects to the console and the
two smaller connectors (RJ11) connect to the
Track Sensors at the finish line as indicated on the
cable near the RJ11 connector. Install the Emitter and Sensors in the Foam Stands; connect the
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RaceAmerica Model 3220 Timer SBD
Sensor
Emitter
The Emitter throws a spot light like beam of infrared light; the Sensor should be aligned near the center
of the beam for optimal reception and alignment.
Interconnect Cable to the Timer Console and the
ALIGNMENT MODE
Track Sensors through the opening in the back of
the Foam Stand. If adding the ET option, see instructions for this option in the options section.
All RaceAmerica timing systems have an
alignment mode. This is very useful for verifying
correct Emitter/Sensor alignment. After the track
STEP 4 -
Cable tails are available to connect optional
Win Lights and Elapsed Time (ET) detection if
available. Install other purchased options per
the instructions in their respective section and
manuals.
layout has been determined and the Sensors and
Emitters placed in the proper positions, press the
[5] ALIGN key to enter alignment mode. The LED
Display shows [ALIgn] in the upper display and
briefly [-S-1-2] in the lower display. The digits
indicate Start, Lane 1, Lane 2 respectively. The
Status Display then changes each digit to a zero for
STEP 5 -
Connect the RED (+) and BLACK (-) alligator clips to the 12VDC battery and you’re ready
to begin.
each sensor being monitored [-0-0-0]. If the Beam
Emitter and Track Sensor are operating properly
and aligned, the ‘0’ digit will not change. If the
Beam Emitter and Track Sensor are not properly
aligned, the 0 digit for each emitter/sensor pair will
POWER ON/SELF-TEST
count slowly if slightly out of alignment or continuously if they are not functioning properly or
Connecting the 12VDC battery to the System
Console places the RaceAmerica 3220 Series
Timer into a self-test of the microprocessor circuitry and the LED (Light Emitting Diode) display
. This is an internal test as well as a visual check
of the LED display. The LED Displays progressively sequence the digit ‘8’ through each segment
of all digits and then progressively turns them off;
then the upper display shows [LAnE 1] (and illuminates the Lane 1 Win Light if it is connected);
then the display shows [LAnE 2] (and illuminates
the Lane 2 Win Light if it is connected); finally,
the upper console display shows the product model
number [ 3220 ] and the lower display shows the
code revision level [C.00.0 ] contained within the
microprocessor.
way out of alignment. Once the emitter/sensor pair
are aligned properly, the digit will stop counting.
If the alignment is off a little or intermittent, the
digit for that emitter/sensor pair will count when
they float out of alignment. Remember, the Beam
Emitters and Track Sensors operate on a ‘Lineof-Sight’ concept and may require shims if they
are installed on a surface with a crown. Leaves,
people, and other debris will also break the beams
and could give false signals, so keep everyone and
everything clear of the Beam Emitters and Track
Sensors during racing activity.
To maximize the alignment of the emitter/
sensor pairs, it is suggested to rotate the Beam
Emitter slowly left and right until the alignment
for that pair begins to count. This technique
will determine the maximum lateral detection
angle. Rotating the Beam Emitter up and down
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RaceAmerica Model 3220 Timer SBD
until the alignment starts counting determines the
maximum vertical detection angle. Once these
extremes are established, position the Beam Emitter in the center of the left/right detection angle
and up/down detection angle. Repeat this same
process with the Track Sensors. This will maximize the alignment accuracy. It should also be
noted that once the zero digit has stated counting,
it will never stop at zero again unless Alignment
Mode is exited and reentered. This can be helpful
for leaving the system in alignment mode for an
extended period of time to check on an intermittent condition.
If the Start Sensor (or switch) is not connected, the ‘S’ position will be counting. To run
a race without Start, make sure the ET option is
disabled in the configuration mode.
At this point the system is properly aligned.
Press the [#] ENTER button to exit Alignment
Mode.
CONFIGURATION
The SBD Timer ships with the following
factory default settings:
Printer Port Print
Auto Print Timeslip 1
Print Line Feeds 12
Print Header Generic
ET Option OFF
If any of these settings need to be changed,
press the [8] CONFIG key on the Keypad to
enter the system configuration mode, the console
displays [-Port-] [-Print] which sends timeslip
data to the printer port. Repeated presses of the
[#] ENTER key cycle the lower display to Display
[-diSP-] which will send ET times to scoreboards.
Press the [8] CONFIG key to accept the desired
condition. If Print was selected, the display will
show [LF] [ 12 ] (Upper/Lower displays) and
the user is prompted for the number of line feeds
(blinking digit) to add to the end of the timeslip to
properly eject the timeslip for tearoff. Enter the
number of line feeds required and press the [#]
ENTER key to confirm. Next [AutoPr] [1] will
show the number of timeslip copies to automatically print each time a race ends; press a number
on the keypad (1-9) for desired number of copies;
press [#] ENTER to exit Config mode. Each time
a change is made to the config, the display will
show [ConFiG] [StorEd] when exiting config
mode.
With the Printer Port configured to print,
press [8] [CONFIG] three times to display
[ConFiG] [HEAdEr]. See page 12 for setup
worksheet. Press # [ENTER] to view the setup
dialog as follows [L1 C01] [XX00] indicating
Line 1 Character 01; the XX is prompting for
the character code for the desired character; refer
to the worksheet for the correct code, press [#]
to move to character 02 [L1 C02] [YYXX00]
where YY is Character 01 and XX is prompting
for character 02,, the last two digits are the current
code for the next digit (3rd in this case); continue
for up to all 39 characters in the line. Press [*] to
move to Line 2 [L2 C01] [ XX00] and continue
for all four lines. When done with all four lines,
press [*] to exit Config mode.
Press [8] [CONFIG] four times to set the
Elapsed Time function. The Display will show
[--Et--] [--OFF-] which tells the system no Start
Sensor is connected and no ET will be reported.
Repeated presses of the [#] ENTER key cycle
the lower display to ON [on]. If the ET option
is present, select ON; press the [8] CONFIG
key to exit Config mode. These parameters can
be reconfigured at any time. The configuration
parameters are stored until they are changed (including power off).
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RaceAmerica Model 3220 Timer SBD
TIMING A RUN - Finish Differential
Before timing a run, it may be desireable to
enter the racer numbers so they will appear on the
printout. To enter a racer number, press the [9]
CAR# button on the keypad to view the existing
entries; press [9] again to enter new numbers; press
[#] ENTER to accept the entries.
To time a run, press the [2] RESET button.
The timer immediately checks all track sensors
to insure they are operating and aligned properly.
The timer performs this function automatically
while displaying [rESEt] in the upper display and
1 to 6 dashes [------] on the lower LED display.
If a sensor fails the alignment test by triggering
during this test, the timer will indicate [-FAiL-]
[-S-1-2] with the misaligned sensor(s) blinking. If
Lane 1 and Lane 2 sensor/emitter pairs are aligned,
the LED display will display [rEAdy ] when it is
ready to time a run. Once a sensor is triggered,
the display will show [LAnE X] (illuminate the
Win Light) in the upper display and will count
the difference in the lower display until the other
lane’s sensor is triggered. At this point the LED
display displays [LAnE-X] [XXX.XXX] indicat-
ing the winning lane and the differential in the
upper/lower displays respectively. If a printer,
PC or Digital Display is connected, the output
will be sent to these devices at the end of the race.
To resend the data, press the [0] PRINT button.
Press [#] ENTER to blank the display. To review
the result before another race has begun, press [4]
DELTA. To reset for the next run, press the [2]
RESET button. If [0] PRINT is pressed and the
port is configured for a display, the console display
will show[no] [Print].
If a Fail condition is detected, press [5]
ALIGN or [#] ENTER to go to alignment mode
to correct the bad alignment, press [#] ENTER to
leave alignment mode.
If the Start Sensor/Switch is not connected,
ET timing must be OFF in the CONFIG menu.
TIMING A RUN Finish Differential + ET
printout and in the data transmitted to PC capture
software. To enter a racer number, press the [9]
CAR# button on the keypad to view the existing
entries; press [9] again to enter new numbers; press
[#] ENTER to accept the entries. Make sure the
ET option is ON in the CONFIG menu.
To time a run, press the [2] RESET button.
The timer immediately checks all track sensors
to insure they are operating and aligned properly.
The timer performs this function automatically
while displaying [rESEt] in the upper display and
1 to 6 dashes [------] on the lower display. If a
sensor fails the alignment test by triggering during
this test, the timer will indicate [-FAiL-] [-S-1-2]
with the misaligned sensor(s) blinking. If all sensor/emitter pairs are aligned, the LED display will
display [rEAdy] when it is ready to time a run.
Once a sensor is triggered, the display will show
[LAnE X] (illuminate the Win Light) in the upper
display and will count the difference in the lower
display until the other lane’s sensor is triggered.
Then the timer will switch to display [LAnE-X]
[XXX.XXX] indicating the winning lane and the
differential in the upper/lower displays respectively. If a printer, PC or Digital Display is connected, the output will be sent to these devices at
the end of the race. To resend the data, press the
[0] PRINT button. Press [#] ENTER to blank the
display. To review the results before another race
has begun, press [1] ET or [4] DELTA. To reset
for the next run, press the [2] RESET button.
If a Fail condition is detected, press [5]
ALIGN or [#] ENTER to go to alignment mode
to correct the bad alignment, press [#] ENTER to
leave alignment mode.
ABORT A RUN PRIOR TO FINISH
To stop the timer during a run or if only one
racer finishes (bye-run), press the [#] ENTER
button and the timer will show [Abort] [run] in the
upper/lower displays; press [#] ENTER again to
clear the displays. Available data will be sent to
printers, PCs and ET displays
Before timing a run, it may be desireable to
enter the racer numbers so they will appear on the
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RaceAmerica Model 3220 Timer SBD
SYSTEM OPTIONS
Several options (Elapsed Time (ET), Printer,
Digital Display or PC) can be connected by a
RS232 cable connection up to 100 feet or by a
Wireless Link for greater distances (line of sight
up to a quarter mile). Connectors are on the underside of the console.
ELAPSED TIME OPTION
The Elapsed Time option involves running
a cable to the starting line connected to the
RaceAmerica starting line connector in the wiring
harness. A RaceAmerica sensor can e connected
to the cable to optically start both lanes Elapsed
Times. Alternately, the 4-conductor connector
for the starting line has contacts numbered 1 thru
4 as follows so a mechanical switch can be connected:
Pin 1 - POWER
Pin 2 - START SIGNAL
Pin 3 - not connected
Pin 4 - GROUND
Wire a normally closed switch between pins
2 and 4. When starting, the switch should open to
trigger the timer to start timing the ET’s for both
lanes. It does not matter if the switch remains
open or closed but must be closed for the start of
the next race.
WIN LIGHTS OPTION
The Win Lights connect to the RJ45 connector tails on the cable at the finish line. The light
for the first lane to finish will illuminate and flash.
Win Lights are powered from the console. See
the section on Win Light assembly at the end of
the manual.
PRINTER OPTION
Connect the timeslip printer interface cable to
the 3220 Timer SBD using the PRINTER PORT
on the console. The 3220 will auto print the designated number of timeslips after each race. Additional copies can be printed by pressing the [0]
PRINT button before the timer is reset. The print
function is disabled if the timer is timing a run.
The timeslip header can be user configured
(up to four lines of 39 characters each) for each
event, club, date or whatever. See page 12 for a
worksheet to layout the print header.
SCOREBOARD OPTIONS
The Timer SBD can be connected to a large
display scoreboard to display race results for a
crowd and the competitors. Connect the model
6560/6860 Large Digital Display to view Winning Lane and time differential immediately upon
completion of each timed even. Alternately, connect two displays to show the Elapsed Time for
each lane (the Printer port can be reconfigured for
Display). Use the DIP switches to select display
format (Winning lane + Differential, Lane 1 ET,
or Lane 2 ET).
ADDING PC SOFTWARE
RaceAmerica is pleased to offer the full line
of AXWARE Derby third party sofware for the PC
(Windows 95 or later Operating System) to capture
the times and build a file with racers names and
race results. Three options are available to capture
data and manage your race day matchups including
AASBD formats.
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RaceAmerica Model 3220 Timer SBD
MAINTENANCE
The 3220 Series Console, Beam Emitter, and
Track Sensors do not require any maintenance.
To insure uninterrupted operation on raceday,
it is suggested to keep track of battery usage hours
so as to have fully charged batteries. Plan to replace the ‘C’ cells in the Beam Emitter after about
200 hours use. If you are using rechargeable ‘C’
cells, recharge them each day. Low battery voltage (Emitter voltage below 4.3VDC) will cause
intermittent operation of the system resulting in
intermittent events at the finish line as the battery
power weakens.
To maintain the highest level of timing
accuracy and minimize false trips, annual preventative maintenance and calibration should be
performed on all system track sensors and beam
emitter units.
SPARE PARTS
WIN LIGHT ASSEMBLY
The win lights are assembled by screwing
the post into the base and then attaching the Win
Light with a 1/4-20 bolt at the top of the post -
connector down. The connector on the win light
assembly connects into the interconnect cable’s
matching connector.
Further to minimize race program interruptions, RaceAmerica recommends some spare
parts. A spare emitter/sensor pair and end of track
cable sections should be available in the event of
an unfortunate accident during a program. Contact RaceAmerica for availability and pricing of
spares items.
SUPPORT AGREEMENTS
Support agreements are available from
RaceAmerica providing Telephone Assistance on
technical issues and operational questions, repair
and/or replacement of hardware failures, Software
and Firmware updates and bug reporting, and
Annual Preventative Maintenance on all system
track sensors and beam emitter units. Contact
RaceAmerica for more information and pricing
of Support Agreements.
10
RaceAmerica Model 3220 Timer SBD
7540C - Foam Stand Assembly Instructions
Base Foam
Top Foam
Emitter
Assembly Components
‘AA’ Battery Emitter (5040B, 5050B & 5058B)
1. Install batteries and turn on the Emitter.
2. Separate the Base of the Foam Stand from the Top.
3. Place the 5040/5050/5058 Emitter into the Base
foam with the battery side down.
4. Slide the Top on the Base. Place on the track.
Track Sensor (5140D & 5158D)
1. Separate the Base of the Foam Stand from the Top.
2. Connect the cable to the sensor
3. Place the 5140/5158 Sensor into the base (open end down)
4. Press the Top on the Base. Place on the track.
‘C’ Battery Emitter (5042B)
1. Same as above except place the ‘C’ Battery pack in
the Base standing on its edge.
Sensor
Sensor/Emitter
placement in Foam Base
For additional stability
1. Place weight in the Base well as required.
Outside Dimensions:
6.5” W x 7.25” L x 7.5” H
Complete Assembly
Sensor back
Note cable routing
11
TIMESLIP HEADER
The 3220 Console allows custom timeslip
header input for four lines of up to 39 characters
each to print at the top of each timeslip. Input
for the Timeslip Header is found in the [ConFig]
[HEAdEr] menu. Once the configuration is
input, it is saved until changed or deleted. Input
is from the keypad via a two-digit code for each
character. The console display prompts for each
line, character and character code (existing or
new) being input.
RaceAmerica Model 3220 Timer SBD
The following table lists the codes for each
character (note: upper and lower case letters have
different codes). Use the worksheet on the next
page to lay out the desired print text and crossreference the codes for sequential input. Only
desired text including spaces need to be input for
each line; any line or lines can be left blank also.
Character Code
Space 00
! 01
@ 02
# 03
$ 04
% 05
& 06
‘ 07
( 08
) 09
* 10
+ 11
‘ 12
- 13
. 14
/ 15
0 16
1 17
2 18
3 19
4 20
5 21
6 22
7 23
8 24
9 25
: 26
; 27
< 28
= 29
> 30
? 31
@ 32
Character Code
A 33
B 34
C 35
D 36
E 37
F 38
G 39
H 40
I 41
J 42
K 43
L 44
M 45
N 46
O 47
P 48
Q 49
R 50
S 51
T 52
U 53
V 54
W 55
X 56
Y 57
Z 58
[ 59
v 60
| 61
] 62
_ 63
‘ 64
Timeslip Header Character Codes
Character Code
a 65
b 66
c 67
d 68
e 69
f 70
g 71
h 72
i 73
j 74
k 75
l 76
m 77
n 78
o 79
p 80
q 81
r 82
s 83
t 84
u 85
v 86
w 87
x 88
y 89
z 90
{ 91
| 92
} 93
~ 94
12
RaceAmerica Model 3220 Timer SBD
TIMESLIP LAYOUT WORKSHEET
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
Character
Position
Printed
Character
Code
Character
Printed
Character
Printed
Character
Code
Character
Character
Code
Priinted
Character
Timeslip Header Character Code Worksheet
Character
Code
Line 4 Line 3 Line 2 Line 1
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