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| Description |
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| The
Marshalling Clock (version 1.1) features hours, minutes, seconds
and hundredths of a second, spread over two uses of a large
format four digit LCD screen. The primary function of a marshalling
clock is to hold the time of day for logging purposes when
a competitor completes a stage of a competition, then restore
the current time of day to the readouts following the noting
of the competitor's time. A bonus feature is that this clock
holds a memory of the previous frozen time, just in case the
screen freeze is released accidentally before the time is
fully noted or agreed. A good quality alkaline PP3 battery
lasts about a week, but use of the night lights will reduce
this life. A lithium type battery is expensive, but can last
even longer. |
| Instructions |
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| Fit
the battery in the compartment at the rear of the case observing
the correct polarity by proper use of the polarised connector
switch may be fitted in this compartment to switch off the
clock. When first powered up, the message 'not / SEt' will
flash on the screens. Hold down the H button and whilst the
H button is being held press the M button. Release the M button.
Release the H button. The clock is in the hours/minutes screen
as evidenced by the existence of the centre colon (double
dot). The flashing pair of digits can be incremented by multiple
presses of the S button, or can be zeroed by the Z button.
Pressing the H button will select either the hours digits
flashing (24 hour format only) or the minutes digits. In the
'setting' mode, or indeed any mode, the R button will swap
screens so that the four digits showing are either the hours
and minutes (with colon lit) or seconds and hundredths of
a second (with just one decimal point lit). Whilst still in
the setting mode with seconds / hundredths showing we can
either zero the seconds with the Z button as the full minute
comes, or increment full seconds with the S button. When the
time has been fully set, press the H button first, then whilst
holding the H button press the R button. This will quit the
time setting mode, but it is important to note that there
is a reliability feature which prevents the clock from inadvertently
being altered in the field. Once the 'time setting' mode has
been exited, it cannot be re-entered unless the whole clock
is powered down for a few seconds by either disconnecting
the battery, or switching the power on/off switch to the off
position if this is fitted |
| Use
by the Marshal |
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| R
button as always toggles between the hours/minutes screen
(colon showing) or the seconds/hundredths screen (with just
decimal point showing). The marshal can use this button at
any time without affecting anything else. When a competitor
enters the timed point the S button is pressed. This freezes
the screen with that competitor's time and also puts this
time into the memory location, replacing any previously remembered
time. The eight digit time of day can be shown by alternate
presses of the R button which will show the hours/minutes
(colon in the centre) then the seconds/hundredths (decimal
point in the centre). A press of the Z button restores the
screen to the present time of day. If the remembered time
is to be recalled, press the M button. R will still swap screens.
Z still restores current time of day to screens. |
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