11
TWITE INSTRUMENTS
THERMOSTAT MODEL TD-196 OPERATING MANUAL
DISPLAY FUNCTIONS CONT.
LED D
ISPLAY
CONT
.
4.
D/M/S LED (PRESS & HOLD THE "ENT" Key, THEN PRESS THE
s
"DIS" Key with the display LED lit to cycle through these or
normal displays) :-
If
OFF
the display is as the previous page.
If
ON
continuously, the unit is in the
SCAN
mode. This is only available if the 8
channel option is present. The unit will scan
(if the set point SCAN YES NO is set to
YES)
all channels temperature, alarm set points or the current set point used
(others
are for the control channel only and will not scan)
as indicated by the right hand
LED on entering this mode
(temps of individual sensors, not averaged first.)
. By
pressing the
s
t
"DIS" Keys the unit will cycle through the channels that are set
to yes for
CONNECTED
, To check which parameter is displayed press the "
ENT
",
(the right hand LED will indicate which parameter is being displayed)
. To change
which parameter is displayed press the "
ENT
" key and hold on until the parameter
indicator LED
(right hand LED'S)
change from TEMP to HI/AL, LO/AL, ST/No
(cycles through each display parameter at 2 second intervals approx.). When the
desired parameter to be displayed on the right hand LED'S release the "ENT" key,
that parameter will then be displayed in the SCAN mode.
If flashing fast it is displaying
Maximum / Minimum
temperatures. The first to
display is the maximum
(time)
of channel 1. To change channels to display press the
s
"DIS" key and press the
t
"DIS" key to toggle from maximum to the minimum
to be displayed
(the decimal point will lit on digit "0", right hand digit to indicate
that the maximum time/temperature is shown)
. To show the
HOUR:DATE
of when
it happened press the "ENT" key
(decimal point flashes to indicate time)
, press the
"ENT" key again to display the maximum/minimum temperature again.
If flashing slowly it is displaying
Data Logged
temperatures. The first to display is
the temperature of channel 1
(or the lowest numbered channel that was set in SET
DATA LOGGED)
at the last time it was logged. To change the time of data that was
logged press the
s t
"DIS" keys, the display will roll around in a circular mode
displaying the data that was logged for the selected channel. To change to another
channel to display press the
"ENT"
key, if the channel was set to none
(no data
logged)
it will skip to the next channel to display.
To toggle from displaying the
TEMPERATURE
to
HOUR:DATE
press & hold the
"ENT"
key Then press the
t
"DIS" key.
