Atal AT-VLT User manual

ision Logger
Temperature Recorder
ser’s Guide
AT-LT

Installation In s t r u c t i o n s and Pr e c a u t i o n s
1. The appliancesinthe pa ck a g e are de s i g n ed for w a l l m o n t i n g or table- topinstallation.
2. When m o n t i n g the p r od ct on aw a l l , be s r e to s e the correct type of screw. Sec re all s c r e w s to
pr ev e nt the p r od ct from f a l l i n g f r o m its m o n t i n g .
3. Make all thec o n n e c t i o n s to thep r o d c t f i r s t , andonly afterwardsmo nt thetransformer on the w a l l .
Safety Precautions
1. Install thepr o d c t inad r y e n v i r o n m e n t . Preventh m i d c o n d i t i o n s and w a t e r leakage.
2. Protect the pr o j e ct and po w e r s p p l y f r o m extreme temperat res. Don o t install the pr o d ct near
radiators or indi r e c t s n l i g h t .
3. Prevent any foreign objects f r o m f a l l i n g on the pr o d ct . Prevent spillage of any liq ids, s c h as
s t r o n g acids.
4. Connect the power s p p l y to the appropriate voltage, asm a r k e d on the nit.
5. Inor der topr e v e nt da ma g e toc a b l e s andconnectors,do not d i s co n n ec t c a b l e s b y p l li ng onthem.
6. Ro t e all c a b l e s where they will not c a s e ha za r d and ens re that the c a b l e s are not h a r m e d in any
w a y .
Warnings
1. Dono t replacec a b l e s or connectors w i t h non-o r i g i n a l pa r t s .
2. Fa lt c o n n e c t i o n s m a y c a s e e l e c t r o c t i o n .
3. The po w e r s p p l y isdesigned for indoor se only.

Vson Recorder i
TABLEOF CONTENTS
Capter 1 Introduction .........................................................1
Featres..........................................................................................1
Description .....................................................................................2
Capter 2 Installation.............................................................4
Package Contents............................................................................4
Installation Options.........................................................................5
Bracket Mountng ....................................................................5
Connections....................................................................................6
Mandatory Connectons and Startup.........................................6
Optonal Connectons...............................................................7
Vewng Informat on on an External PC...................................7
Power .............................................................................................8
Power Source ..........................................................................8
Battery Installaton and Replacement .......................................9
Capter 3 Operation.............................................................10
Displaying Temperatres...............................................................10
Printing.........................................................................................11
Advancing and Changing Printer Paper..........................................11
Alarms..........................................................................................12
Capter 4 Configuration ......................................................14
Online Help ..................................................................................15
Configring Alarm Settings...........................................................15
Confgurng the Alarm Range.................................................16
Confgurng the Alarm Delay .................................................16

ii Vson Recorder
Confgurng the Alarm Output ................................................16
Confgurng the End of Paper Alarm ......................................17
Configring Print Settings .............................................................18
Configring Temperatre and Date Formats...................................19
Changing the Time and Date .........................................................20
Changing the Password .................................................................20
Changing the Device ID................................................................21
Changing the Temperatre Calibration...........................................22
Erasing the Log.............................................................................22
Changing the Sampling Rate .........................................................22
Capter 5 Troublesooting ..................................................23
Appendix A Factory Default Settings .....................................24
Appendix B Specifications.......................................................26
Appendix C Components.........................................................27
Appendix D Menu Structure ...................................................28

Vs on R e c o r d e r 1
CHAPTER 1INTRODUCTION
The Vision Lo g g e r Temperat re Recorder ( A T - A T - V L T ) records, saves, and p r i n t s
p to2 9 0 temperat re r e a d i n g s a t p r e d e f i n e d intervals. T he A T - V L T prod ces a n
alarm wh e neve r t h e t e m p e r a t r e g o e s above o r below adefined r a n g e . T h e a l a r m
c a n be prod ced immediatelywh e n t h e t e m p e r a t r e g o e s o t o f the d e f i n e d range,
o r after the t e m p e r a t r e remains o t o f range f o r ac e r t a i n period o f t i m e . The A T -
V L T p r o v i d e s several printing o p t i o n s , incl dingthe a b i l i t y to send d a t a to an
e x t e r n a l PC. The A T - V L T c a n also send alarms to an external device v i a arelay
c o n t a c t .
The A T - V L T c a n m on i t or, log, and p r i n t t e m p e r a t r e s o f - 4 0 °C to + 1 3 0 °C
(-40°F to+ 2 6 6 °F), +\ - 1 °.
FEATURES
Table 1 d e s c r i b e s the A T - V L T f e a t r e s , w i t h references to the section a n d p a g e in this
m a n a l describing how to s e o r c o n f i g r e the f e a t r e .
Table 1 : V s on Logger T e m p e r a t u r e R e c o r d e r F e a t u r e s
FEATURE FOR FURTHER INFORMATION S EE
Records temperat resat intervals of between o n e and90
m i n t e s
Chang ng the Sampl ng Rate on
pa g e 2 2
Prod ces an alarm ifthetemperat regoes aboveo r
b e l o w apr e d e fi n e d range
Conf gur ng the Alarm Range on
pa g e 1 6
Records and d i s p l a y s temperat resine i t h e r Celsi s o r
Fahrenheit, andda t e in E ropean or English( A merican)
format
Conf gur ng Temperature and Date
F ormats on p a g e 1 9
Records and pri nt s 2 9 0 readings on req est at anytime P rntngon pa g e 1 1
Th r e e p r i nt i n g formats, incl ding g r a p h i c o r text,and I D
n m b e r , time, temperat re, andalarm s t a t s
Conf gur ng Pr nt Sett ngs on p a g e 1 8
Ad i o and vi s a l alarms,incl ding an option for sending
alarms toanexternal de v i c e
Alarms on pa g e 12 and Opt onal
Connect ons o n pa g e 7
Op t i o n toexport d a t a to e x t e r n a l PC Vew ng Informat on on an External
PC on pa g e 7
Op t i o n a l ba c k p b a t t e r y for pto 60 ho r s Battery Installat on and Replacement
on pa g e 9

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D ESCRIP TION
Fig re 1 shows the f r o n t a n d top o f the A T - V L T .
Fg u r e 1 : V s o n L ogger Te m p e r a t u r e R e c o r d e r - Front/ T op V ew
1. Po w e r switch
2. RS-232 port
3. 12V power jack
4. Bzzer silent c o n t a c t s
5. Temperat re sensor inp t jack
6. Remote a l a r m c o n t a c t s
7. Paper c o v e r c l i p
8. Sec re to the b r a c k e t
9. Paper c o v e r

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Fig re 2 shows the rear and bottom o f the A T - V L T .
Fg u r e 2 : V s o n L ogger Te m p e r a t u r e R e c o r d e r - Re a r V e w
10. Sec re t i e hole
11. Hanging hole
12. Bracket h a n g i n g hole
13. Batteries c o v e r
14. Bracket m o n t i n g
15. Bzzer alarm g r i l l
Fig re 3 shows the display area o f the A T - V L T .
Fg u r e 3 : V s o n L ogger Te m p e r a t u r e R e c o r d e r - D s p l a y Area

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CHAPTER 2INSTALLATION
This c h a p t e r explains how to install the A T - V L T , and incl des t h e f o l l o w i n g topics:
▲Pa c k a g e Co n t e n t s –L ists t h e c o n t e n t s o f t h e A T - V L T package.
▲In sta ll at i on Op t i o n s –D escribes the possible w a y s toinstallthe A T - V L T , and
describes how to a t t a c h t h e A T - V L T to awal l b r a c k e t .
▲Co n n e c t i o n s –D escribes the m an d at o r y and o p t i o n a l c a b l e c o n n e c t i o n s ,
incl dinginstr ctions o n how tostart the A T - V L T .
▲Po w e r –Describes the A T - V L T ’s p ow e r r e q i r e m e n t s and b a c k p b at t er y
o p e r a t i o n c a p a b i l i t y , and e x p l a i n s how toinstall o r replace b a t t e r i e s .
PACKAGE CONTENT S
The A T - V L T p a c k a g e s h o l d incl de t h e f o l l ow i n g c o m p o n e n t s :
Table 2 : P ackage C o n t e n t s
DESCRIPTION QUA N TITY PA R TNUMBER
AT-VLT nitwith on e temperat re c h a n n e l 1 AT-VLT (115V),
AT-VLT220 (220V E rope)
AT-VLT12 (to vehicle)
Waterproof, remote3 3 feet temperat resensor
c o r d (10 meters)
1 AT-VLTSENSOR
Ther m a l p a p er roll,2inches w i d e , 131 feet long
(40 m e t e r s )
2 (1 installed) V L P A P E R
12V AC/DC p o w e r adaptor -US(120V)OR
12V AC/DC p o w e r adaptor -EU(230V)
# AT-VLT12 ha s D C c o r d instead of power adaptor
1 V L 1 1 5
V L 2 2 0 ( E rope)
CRCPW
3.6V Lithi m b a t t er y (CR2032) 1 (installed) V L B A T
Hanging br a c k e t 1 V L B R K T
User’s G ide 1 V L M A N U A L
Bracket mo nting screws 3
Bracket sec ring screw 1

Vs on R e c o r d e r 5
INSTAL LATION OP TIONS
Yo c a n se the A T - V L T a s astandalone nit o r attach i t to awa ll. There are two ways
to attach the A T - V L T to aw all :
▲Direct M o u n t i n g –A ttach the A T - V L T d i r e c t l y to t h e wall.
▲Br a c k e t M o u n t i n g –A t t a ch t h e A T - V L T b r a c k e t t o t h e w a l l , a n d h a n g t h e A T - V L T o n
the b r a c k e t , a s d e s c r i b e d b e l o w .
BacketMounting
Toattach the A T - V L T to the wal l s i n g the b r a c k e t :
1. Mo n t the A T - V L T b r a c k e t tothe wal l w it h t h r e e screws, a s shown i n Fig re 4 .
Hks
Fg u r e 4 : B r a c k e t M ount ng
No t e :Make s re to le a v e eno gh space o n theleft to o p e r a t e the m a i n switch
and c o n n e c t all t h e o t h e r c a b l e s m e n t i o n e d in Connect ons o n p a g e 6.
2. Hang the A T - V L T o n thetwo m o n t e d bracket hooks, as shown i n Fig re 4.
3. Open the p a p e r c o v e r by p shing the two c o v e r c l i p s (i t e m 7 i n Fig re 1 ) to the
inside a n d p lling the c o v e r o t .
4. Fasten o n e screw thro gh thehole nder thepaper rolltos e c r e theA T - V L T tot h e
bracket, a s shown in F ig re 5.
5. Ret rn the paper c o v e r to i t s p l a c e .

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Fg u r e 5 : S e c u r n g the U n t to the B racket
CONNECTIONS
This s e c t i o n describes the c a b l e s y o m s t c o n n e c t in o r d e r to s e t h e A T - V L T , as wel l
as c a b l e s y o c a n attach in o r d e r to s e o p t i o n a l f e a t r e s .
Mandato yConnectionsandSta tup
Toc o n n e c t and s t a r t p t h e AT-VLT:
1. Pl g t h e A C adaptor into t h e power s pply and c o n n e c t the 12V power c o r d to
the power j a c k (i t e m 3 in F ig re 6 ) .
2. Co n n e c t t h e temperat resensor c o r d to the temperat re s e n s o r inp t j a c k (item5
in Fig re 6).
3. Swi t ch the power switch to the Onposition (i t e m 1 in F ig re 6). Th e Po w e r and
Sensor L E D st r n g r e e n . Af t e r af e w m o m e n t s , the temperat re s h o l d appear in
the d i s p l a y area.
Fg u r e 6 : C onnect ons

Vs on R e c o r d e r 7
OptionalConnections
Yo c a n c o n n e c t t h e f o l l o w i n g o p t i o n a l c a b l e s :
▲Tosend a l a r m s to aremote device, a t t a c h ac a b l e tothe r e m o t e alarm c o n t a c t s
(i t e m 6 in F ig re 6 ) . T he r e m o t e alarm c o n t a c t s are apair o f ¼” terminals,
1 Am p s , 1 2 V .
▲Toexport t e m p e r a t r e data to aP C , attach an R S - 2 3 2 c a b l e f r o m the PC tothe
RS-232 port (i t e m 2 in F ig re 6 ) .
▲Tosilence the alarm, c o n n e c t aremote b zzer silencing device by attaching a
c a b l e w it h am o m e n t a r y switch to m o m e n t a r i l y short the b z z e r s i l e n c e r
c o n t a c t s (item 4 in F ig re 6). The b zzer silencer c o n t a c t s are ap a i r o f ¼ ”
terminals.
ViewingI nfo mationonanExte nalPC
Before y o c a n v i e w information f r o m t h e A T - V L T o n an external P C , y o m s t
establish anew H y p e r Terminal c o n n e c t i o n o n the P C .
No t e :Ify o have a l r e a d y established aHy p e r Terminal c o n n e c t i o n o n y o r PC,
skip to Vew ng In f o r m a t o n on an E xternal P C o n page 8.
Establis hi ngaNewHype Te mi nalCo n nection
Toestablish anew H y p e r Terminal c o n n e c t i o n o n y o r PC:
1. Co n n e c t an R S - 2 3 2 c a b l e f r o m the P C tothe R S - 2 3 2 port (i t e m 2 i n F ig re 6).
2. Ont h e P C , o p e n H y p e r Te r m i n a l . T oo p e n Hy p e r Terminal, s e l e c t
Start> Programs>A ccessories>Co m m u n i c a t i o n s > Hy p e r Terminal and
do ble- c l i c k H YPERTRM.EXE .
No t e :I fH y p e r Te r m i n a l i s not installed o n y o r c o m p t e r , y o c a n install i t
f r o m the C o n t r o l P anel. Do b l e - c l i c k A dd/Remove Programs, c l i c k t h e
Windows S e t u p tab, s e l e c t Co m m u n i c a t i o n s , c l i c k D etails, select
Hy p e r T erminal, c l i c k O K , then c l i c k O K again.
3. Enter aname f o r t h e A T - V L T c o n n e c t i o n .
4. Select a n icon and c l i c k O K .
5. I nthe Co n n e c t to window, g o to the lower Co n n e c t using:m e n a n d select
Direct to C o m 1(m a k i n g s re to c h o o s e af r e e C o m port) .

8 Vs on R e c o r d e r
6. Click O K . Ifthe C o m port i s not f r e e , c h o o s e another port by selecting Fi l e >
Properties> a n d selecting t h e c o r r e s p o n d i n g C O M port, and then c l i c k OK.
No t e :Co n f i g r e the COM properties as f o l l o w : Bits p e r second - 9600; Data
bits - 8; Pa r i t y - N o n e ;S top bits - 1 ; Flow control - N o n e ,
Viewi ngI nfo matio nona nExte nalPC
Tov i e w i n f o r m a t i o n f r o m the A T - V L T o n an e x t e r n a l P C :
1. Co n n e c t an R S - 2 3 2 c a b l e f r o m the P C tothe R S - 2 3 2 port (i t e m 2 i n F ig re 6).
2. Ont h e P C , o p e n t h e A T - V L T Hy p e r Terminal c o n n e c t i o n program. T oo p e n i t ,
select S tart> Programs> Accessories> Co m m u n i c a t i o n s > H y p e r Terminal
and do ble- c l i c k t h e A T - V L T Hy p e r Terminal icon that y o previo sly c r e a t e d
(refer to Es t a b l s h n g aN e w H yper Te r m n a l C onnect on o n page 7 ) .
The A T - V L T Hy p e r Te r m i n a l w i n d o w o n the P C d i s p l a y s m e s sa ge lines according to
the s a m p l i n g r a t e . T h e Hy p e r Terminal displays whatever information the A T - V L T
prints, both m a n a l l y and a tomatically. Fo r information o n p r i n t i n g m a n al l y,
refer to P r nt ng o n p a g e 11. Fo r information o n p r i n t i n g a t o m a t i c a l l y , refer to
Conf gur ng Pr nt S e t t n g s o n page 1 8 .
No t e s :Toc a p t r e lines o n e after the o t h e r , select File> Properties a n d select the
Setting tab. U nder A SC I I S e t u p , select A ppend line feed to incoming
line ends.
Toc a p t r e the d a t a to af i l e , s e l e c t T ransfer> Capture Text. E n t e r the
f i l e name a n d c l i c k S tart.
W hen the p r i n t f o r m a t is c o n f i g r e d as g r a p h , o n l y the c r r e n t t e m p e r a t r e
and the alarm range a p p e a r i n Hy p e r Terminal. Onevery 1 2 throw, t h e d a t a
is displayed in f l l t e x t f o r m a t .
POWER
This s e c t i o n explains the A T - V L T ’s power req irements and back p b a t t e r y o p e r a t i o n
c a p a b i l i t y , and e x p l a i n s how toinstall o r replace batteries.
Powe Sou ce
The A T - V L T ses a1 2 V A C / D C power s pply. When the A T - V L T is sing the m a i n
power s p p l y , the P o w e r L E D i s lit g r e e n .

Vs on R e c o r d e r 9
I nthe event o f apower f a i l r e , o r if the w or ki n g e n v i r o n m e n t temperat re g o e s
o v e r 150°F ( 6 5 °C), the A T - V L T a t o m a t i c a l l y switches o v e r to a9V b a c k p battery ( if
installed) . W hen o p e r a t i n g i n back p m o d e , the A T - V L T logs temperat re
m e a s r e m e n t s to m e m o r y, b t does not print. T he P o w e r L E D blinks, and the
display area shows the c r r e n t t e m p e r a t r e every 3 0 s e c . f o r two seconds. Yo c a n
also d i s p l a y the c r r e n t t e m p e r a t r e f o r two seconds a t atime m a n a l l y bypressing
. Wi t h an e w 9V battery, the A T - V L T c a n o p e r a t e in b a c k p m o d e f o r 60 ho rs.
W hen the m ai n power ret rns, the Po w e r LED g o e s o n w i t h o t b l i n k i n g , and the
printer prints t h e t e m p e r a t r e m e a s r e m e n t s that wer e r e c o r d e d b t not printed
when the A T - V L T was o p e r a t i n g in back p m o d e .
Batte yI nstallationandReplacement
The A T - V L T ses two batteries:
▲Lit ium battery ( C R 2 0 3 2 ) –U sed f o r saving logging data and c o n f i g r a t i o n
settings, and f o r r nning the r e a l - time c l o c k . Af t e r r e p l a c i n g the L ithi m
battery, y o sho ld c h e c k and r e s e t t h e A T - V L T c o n f i g r a t i o n s e t t i n g s .
▲9V a l k a l i n e b a c k u p b a t t e r y –U s e d f o r back p o p e r a t i o n (refer toP ower
Source on page 8). This battery is optional, and is not incl ded with the AT-VLT
package. Wh e n the Lo w Batt LED b l i n k s , y o sho ld r e p l a c e the 9 V back p
battery.
Toc h a n g e o r i n s t a l l batteries:
1. Psh and slide the c o v e r o f the battery c o m p a r t m e n t o t , a s shown i n Fig re 7 .
2. I nstall t h e batteries as i n d i ca t e d, according to t h e polarity m a r k s i n t h e b a t t e r y
c o m p a r t m e n t .
3. Po s i t i o n t h e c o v e r o v e r t h e battery c o m p a r t m e n t a n d snap i t b a c k into place.
Fg u r e 7 : B a t t e r y Installat on and Re p l a c e m e n t

10 Vs on R e c o r d e r
CHAPTER 3OPERATION
This c h a p t e r explains how to o p e r a t e t h e A T - V L T , a n d incl des the f o l l o w i n g topics:
▲Displaying T emperatures
▲Pr i n t i n g
▲Advancing and C ang i ng Printer Paper
▲Alarms
D ISP LAYING TEMP ERATURE S
W hen the A T - V L T i s o n , it d i s p l a y s the c r r e n t t e m p e r a t r e . Yo c a n a l s o display the
m a x i m m and m i n i m m m e as r e d t e m p e r a t r e s i n the A T - V L T ’s m e mor y bypressing
and .The A T - V L T ’s m e m o r y c a n s t o r e p to 2 9 0 readings. T he time p e r i o d
this c o v e r s d e p e n d s o n the s a m p l i n g rate. Fo r example, if t h e sampling rate i s
15 m i n t e s , the A T - V L T ’ s internal m e m o r y c o n t a i n s the temperat re d a t a f r o m the last
three days.
▲Press to display the lowest temperat rein m e m o r y . Press again to
display the h i g h e s t temperat rein m e m o r y, AdJ(f o r adj sting parameters),
and to r e t r n to the c r r e n t t e m p e r a t r e . Af t e r three seconds, th e display
a tomatically ret rns to the c r r e n t t e m p e r a t r e .
▲Press to display AdJ(f o r adj sting parameters) . P r e s s again to
display the h i g h e s t temperat rein m e m o r y, the lowest temperat rei n m e m o r y,
and to r e t r n to the c r r e n t t e m p e r a t r e . Af t e r three seconds, th e display
a tomatically ret rns to the c r r e n t t e m p e r a t r e .
No t e :Yo c a n c o n f i g r e theA T - V L T todisplay temperat resineither C e l s i s o r
Fahrenheit. R efer to C onf gur ng T e m p e r a t u r e and Date F ormats o n
page 19.

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PRINTING
The A T - V L T c a n be c o n f i g r e d to print temperat res a tomatically at d e f i n e d intervals.
Fo r adescription o f the available p r i n t m o d e s and instr ctions o n c o n f i g r i n g the
print s e t t i n g s , refer to C onf gur ng Pr nt S e t t n g s o n page 1 8 .
I naddition, y o c a n m a n a l l y print the m e m o r y report (al i st o f all s a v e d
m e a s r e m e n t s ) o n demand, o r s e n d the report to aP C to v i e w a n d s a v e the
information. Tosend the m e m o r y report tothe p r i n t e r o r aP C , press .SEnd
appears in the display area.
▲Toprint t h e m e m o r y report, p r e s s .
▲Tosend t h e m e m o r y report to aP C , press .
▲I fy o do not p r e s s either b tton w it h i n three s e c o n d s , the display a tomatically
ret rns tothe c r r e n t temperat re.
The A T - V L T p r i n t s o r sends the m e m or y report in whi ch e ve r print m ode is c r r e n t l y
c o n f i g r e d . Ifthe A T - V L T is a l s o c o n f i g r e d to print o r s e n d m e as r e me n t s
a tomatically, then whe n t h e printing is f i n i s h e d , the A T - V L T p r i n t s o r sends all
m e a s r e m e n t s that were recorded d ring the o n demand m e m o r y report p r i n t i n g o r
sending o p e r a t i o n .
Ev e r y report that i s p r i n t e d o r s e n t o n demand begins w i t h the m e s s a g e MEMORY
REPORT and ends w i t h the m e s s a g e END OF REPORT. T h e p r i n t e d o r sent o n
demand r e p o r t d i s p l a y s t h e m e as r e m e n t s i n reverse o r d e r ( i .e ., c r r e n t
m e a s r e m e n t s are d i s p l a y e d b e f o r e t h e earlier m e a s r e m e nt s ).
Tom a n a l l y stop p r i n t i n g o r sending areport o n demand, press .Th e p r i n t o t
o r sent report d i s p l a y s the m e s s a g e MEMORY REPORT STOPPED BY USER.
No t e :When y o send areport to aP C , all data i s sent w i t h i n ten seconds.
AD VANCING AND CHANGING PRINTER PAP E R
The A T - V L T ses thermal p r i n t i n g p a p e r to p r i n t t e m p e r a t r e readings. T his type o f
paper ses heat, rather than ink, toprint. T he A T - V L T ’s p r i n t e r does not p r i n t o n
o r d i n a r y paper. When o r d e r i n g replacement paper rolls, ma ke s re t o o r d e r thermal
paper.

12 Vs on R e c o r d e r
W hen ared m a r k appears o n t h e s i d e o f the p a p e r , this indicates t h a t the p a p e r roll
is a l m o s t f i n i s h e d . Y o sho ld replace t h e paper roll before i t reaches the end, so
that the p r i n t e r p a p e r w i l l not stop o r g e t s t c k .
Toreplace the p a p e r roll:
1. Press two o r t h r e e t i m e s to advance the p a p e r .
No t e :The b tton does not w or k nless t h e printer is s e t f o r a tomatic
printing. Refer to C onf gur ng P r nt Se t t n g s o n p a g e 18.
2. Tear o t t h e latest p r i n t e d report.
3. Open the p a p e r c o v e r a n d remove the leftover paper roll. T h e alarm b zzer w il l
so nd, and the O t o f P a p e r L E D wil l b l i n k .
4. Straighten the edge o f the new paper roll w i t h ascissors.
5. Place the new paper roll in t h e paper c o m p a r t m e n t , o r in s i d e t h e o p e n paper
c o v e r , a n d p sh the e d g e o f the p a p e r s t r a i g h t t h r o g h t h e printer nder t h e
printer’s black r bber roller.
6. Press to advance the p a p e r thro gh the printer. Af t e r installingthe new
roll, the a l a r m b zzer a n d the O t o f P aper LED sho ld g o o f f .
ALARMS
The A T - V L T h a s t h e f o l l o w i n g alarm indicators:
▲Buzzer –So m e alarms trigger an i n t e r n a l b z z e r . Yo c a n s i l e n c e t h e b z z e r
by pressing o r o n the o p t i o n a l remote b z z e r - silencer switch. R efer to
O pt onal Connect ons o n page 7.Yo c a n a l s o c o n f i g r e the A T - V L T s o that the
b zzer does not g o o n . Refer to Co n f g u r n g the A larm O u t p u t o n p a g e 16.
No t e :The b zzer s i l e n c e r o n l y sh ts o f f the internal b zzer so nds. The a l a r m
L E D sand the external device c o n n e c t e d totherelay contact (if enabled)
remain o p e r a t i o n a l .
▲LEDs–T h e f o r LEDstothe l e f t o f t h e display area indicate v a r i o s alarms,
as described below. Th e top LED i n d i ca t es that the A T - V L T ’s power iso n .
▲Relay C o n t a c t to E x t e r n a l D evice –Yo c a n c o n n e c t the e x t e r n a l device to
the A T - V L T remote a l a r m c o n t a c t s (i t e m 6 in F ig re 6 o n page 6 ) a n d c o n f i g r e
the A T - V L T to s e n d a l a r m s tothe e x t e r n a l device v i a anormally o p e n r e l a y
c o n t a c t . Refer to Conf gur ng the A larmO u t p u t o n page 16.

Vs on R e c o r d e r 13
The f o l l o w i n g events trigger an a l a r m :
▲Disconnected Temperature Sensor –I fthe temperat re sensor is
disconnected f r o m the A T - V L T , t h e display area shows the m e s s a ge n OS, the
A larm LE D l i g h t s , and the i n t e r n a l b zzer so nds ( if enabled) .
▲AlarmR ange –I fthe m e a s r e d temperat re g o e s o t s i d e the m a x i m m o r
m i n i m m defined temperat re range f o r ac o n s e c t i v e period o f t i me e q a l to
the defined a l a r m delay period ( if any), an a l a r m is sent. The i n t e r n a l b z z e r
so nds (if enabled), and an a l a r m i s sent toan external device v i a the r e l a y
c o n t a c t (ifenabled). Inaddition, the Alarm L E D lights. F o r instr ctions o n
c o n f i g r i n g t h e b zzer and r e l a y contact torespond to A larm Range a l a r m s ,
refer to C onf gur ng theA larm Output o n p a g e 16.
▲End o f Paper –I fthe printer p a p e r r ns o t , the i n t e r n a l b zzer so nds ( if
enabled) , and an a l a r m is s e n t to an external device v i a therelay contact ( if
enabled) . I naddition, the O t o f P aper L E D l i gh t s. Fo r instr ctionso n
c o n f i g r i n g t h e b zzer and r e l a y contact torespond to O t o f P aper alarms,
refer to C onf gur ng theE nd o f Paper Alarm o n p a g e 17.
Fig re 8 provides ac l o s e -p o f the r e a r panel, incl dingthe remote alarm c o n t a c t s
o n the r i g h t s i d e a n d the remote b zzer s i l e n c i n g device c o n t a c t s o n the left side.
Fg u r e 8 : R e a r P anel Cl o s e -Up
Remote a l a r m
c o n t a c t s
Bzzer silencing
c o n t a c t s

14 Vs on R e c o r d e r
CHAPTER 4CONFIG URATION
This c h a p t e r explains how to c o n f i g r e the A T - V L T . T oc o n f i g r e A T - V L T parameters,
y o m s t e n t e r apassword. The defa lt password is .Fo r
instr ctions o n c h a n g i n g y o r password, refer to Chang ng the P assword o n
page 20.
Toc h a n g e the A T - V L T c o n f i g r a t i o n :
1. Press o r ntilAdJa p p e a r s in the display area.
2. Press .PASSappears i n the d i s p l a y area.
3. Enter y o r password. A L rappears in the display area. ALrallows y o to
c h a n g e the alarm settings.
4. The A T - V L T h a s n i n e root m e n i t e m s . Toscroll t h r o g h t h e root m e n i t e m s , p r e s s
. Toscroll thro gh the root m e n items in r e v e r s e o r d e r , press .Th e
f o l l o w i n g are t h e root m e n items:
Ñ ALr–A larmc o n f i g r a t i o n
Ñ Pr n –P rinting c o n f i g r a t i o n
Ñ SCAL –Temperat re nits and d a t e f o r m a t c o n f i g r a t i o n
Ñ CLo C–Date and time c o n f i g r a t i o n
Ñ CPA–C hange password
Ñ SIdn –ID n mber c o n f i g r a t i o n
Ñ CALb–Temperat re c a l i b r a t i o n
Ñ Lo 9r–Erasing the logging m e a s r e me n ts f r o m the m e m o r y
Ñ SAPr–S ampling r a t e c o n f i g r a t i o n
No t e :Fo r af l l d i a g r a m o f the A T - V L T m e n tree, refer to A ppendix D, Me n u
Structure o n p a g e 28. Fo r al i s t o f the defa lt f a c t o r y settings, refer to
A ppendix A , F actory D e f a u l t S e t t n g s o n p a g e 24.
5. W hen y o reach the root m e n item that y o want, press .The f i r s t
s b- m e n i t e m appears.
6. W hen y o have f i n i s h e d c o n f i g r i n g an item, y o m s t p r e s s to save the
c o n f i g r a t i o n c h a n g e s .

Vs on R e c o r d e r 15
ONLINE HELP
The A T - V L T o f f e r s o n l i n e h e l p that explains the short f o r m a t display m a s sa ge s and
g i d e s y o thro gh the m e n c o n f i g r a t i o n s .
1. Open the p a p e r c o v e r to best v i e w the p r i n t e d o n l i n e help m e ss a g e s .
2. I fy o w a n t help o n a n y m e n i t e m ,press .The A T - V L T w i l l print and/ o r
send t h e o n l i n e help m e ss a ge in whi ch e ve r f o r m a t is c r r e n t l y config red
(as d e s c r i b e d i n C onf gur ng P r nt Se t t n g s o n p a g e 18).
No t e :The k e y c a n be sed to access the o n l i n e help in a l l s i t a t i o n s , except
whi le the c r r e n t t e m p e r a t r e is being d i s p l a y e d .
3. The A T - V L T p r i n t s and/o r sends ablank l i n e after every o n l i n e help m e s s a g e .
No t e s :Yo c a n n o t p r i n t o n l i n e help nless the printer is set f o r a tomatic
printing. Refer to C onf gur ng P r nt Se t t n g s o n p a g e 18.
I fthe A T - V L T is c o n f i g r e d tosend o t p t toan e x t e r n a l P C , h e l p m e s s a g e s
wi ll also be s e n t to the external PC.
CONFIGURING ALARM SETTINGS
Toc o n f i g r e a l a r m settings, d i s p l a y the ALrroot m en . From the ALrroot m e n ,
y o c a n c o n f i g r e the f o l l o w i n g a l a r m s e t t i n g s :
▲Alarm R ange S et ( A L S ) –Allows y o to define atemperat rerange. When
the c r r e n t temperat re i s o t s i d e o f this r a n g e , the A T - V L T sends an a l a r m .
▲AlarmD elay ( A L d l )–A llows y o to define an a l a r m delay. Ifthec r r e n t
temperat re g o e s o t o f the defined t e m p e r a t r e range, the A T - V L T does not s e n d
an alarm ntil the temperat re r e m a i n s o t s i d e o f the range f o r the l e n g t h o f
time d e f i n e d by the Alarm D e l a y parameter.
▲AlarmO u t p u t (ALO) –A llows y o to define w het he r o r not t h e A T - V L T ’s
internal a l a r m so nds when an alarm i s sent, and whet h er o r not a l a r m s a r e sent
to an external device.
▲End o f Paper Alarm( E O F P ) –Allows y o to define wheth er o r n o t the
A T - V L T ’s i n t e r n a l a l a r m so nds, a n d whet h er o r not a l a r m s are sent toan external
device, w h e n t h e paper r ns o t .

16 Vson Recorder
Configuing the Alam Range
Toconfigre the high and low temperatres that will trigger an alarm:
1.From the ALrmen , press . ALS appears.
2.Press . LoA1 appears.Press or to set the minimm temperatre.
Temperatres below this temperatre will trigger an alarm.
3.Press . HIA1 appears.Press or to set the maximm temperatre.
Temperatres above this temperatre will trigger an alarm.
4.Press .The changes are saved and ALS appears.
Ñ Tochange other alarm settings, press or to display the other
alarm men items.
Ñ Togo to another root men item, press again, then press or
to display the other root men items.
Ñ Toexit configration and display the crrent temperatre, press
twice.
Configuing the Alam Delay
Toconfigre the alarm delay:
1.From the ALrmen , press . ALS appears.
2.Press . ALdl appears.
3.Press .The crrent alarm delay setting appears.
4.Press or to scroll among the possible alarm delay vales: n0(no
delay), 10(mintes),30 (min tes),1 h(1 hor), and 2 h(2 hors).When the
vale yo want to select appears, press . ALdl appears.
5.Press .The changes are saved and ALrappears.
6.Press again to exit configration and display the crrent temperatre.
Configuing the Alam Output
Toconfigre the alarm otpt:
1.From the ALrmen , press . ALS appears.
2.Press or twice. ALO appears.