BEKA BA577E, Manual

Page: 10 / 38

10
5.2 Controls when configured as a Timer
The BA577E is controlled and configured via four
front panel push buttons.
In the display mode i.e.
when the instrument is displaying time the push
button functions are:
Push Button Functions
&
When local control is enabled starts
the Timer. See 5.5.8
*
When local control is enabled stops
the Timer. See 5.5.8
)
+
*
Shows the grand total time in hours
and tenths of an hour irrespective of
Timer configuration. If buttons are
held for longer than ten seconds the
grand total may be reset to zero if
the grand total reset sub-function
clr gtot
is enabled in the
LoC r5Et
configuration function. See 5.5.20
To reset the grand total to zero from
the
display mode press the
)
+
*
buttons for ten seconds
until
CLr. no
is displayed, using the
&
or
*
button change the display
to
CLr. YE5
and press
)
.
&
+
*
Resets the Timer to zero or to the
set time
5Et t
depending on
whether the Timer is configured to
time-up or time-down when the two
buttons are operated
simultaneously for more than three
seconds.
This is a configurable
function. See 5.5.19
(
+
*
When enabled in the configuration
menu, operating these two buttons
simultaneously
provides direct
access to the set time
5Et t
and
allows adjustment when the timer is
in the display mode. See 5.5.15
(
+
&
Shows in succession, firmware
version number, instrument function
elap5e
and any output accessories
that are fitted:
-A
Dual Control Outputs
(
+
)
Access to configuration menu
5.3 Displays when configured as a Timer
The BA577E has two digital displays and associated
annunciators as shown on front cover of this
manual.
Elapsed time The upper display shows the
elapsed time since the Timer
was started when
timing-up from
zero and the remaining time
when
timing-down from the set
time. The display may be
formatted as hh:mm:ss; hh:mm;
mm:ss or ss.
Lower display The display options available on
the lower display depend on
whether the Timer repeat cycle
function
CYCLE5
, which can
repeat the timing period up to 99
times, or continuously with a
configurable
delay between
periods, is enabled.
CYCLE5
disabled
The lower display shows the set
time
5ET t
, or the lower display
may be disabled if not required.
See 5.5.7
CYCLE5
enabled
The lower display shows the
total number of repeat cycles
requested together with the
number of the current cycle.
Each operation may be briefly
named at it's start or periodically
throughout the cycle.
The lower display may also be
disabled if not required.
See 5.5.7
Reset Activated while elapsed time is
annunciator being reset to zero or to the set
time
5ET t
.
Grand total Activated when the grand total
annunciator time is being shown on the
upper display.
Control output Show status of both optional
annunciators control outputs.