100/180MM DISTRIBUTED GRAPHIC RECORDER: USER GUIDE
HA029324
Issue 11 Oct 14
Page 11
3.1.3 ALARM INDICATION (Cont.)
INSTRUMENT ALARMS (Cont.)
SNTP server failure
This error is set if:-
a) the year received from the server is < 2001 or > 2035 or
b) the confi gured SNTP server cannot be accessed.
Time synchronisation failure
Set if 5 or more ‘Time change events’ are caused by the SNTP server
within 24 hrs. A ‘Time change event’ occurs whenever the recorder
time is found to be more than 2 seconds different from the server
time. The alarm does not appear until 24 hours have elapsed since
the fi rst of the fi ve or more Time Change events occurred.
USB over current
USB power fault - too much current being drawn by a USB device
(max 500 mA).
USB unsupported
Unsupported USB device inserted.
CHANNEL ALARM
This red ‘bell’ indicator appears if any channel is in alarm. The symbol is illuminated continuously if all
alarms are acknowledged or fl ashes if any active alarm is unacknowledged. Refer to ‘
ALARM ACKNOWL-
EDGEMENT
’ below, for details of how to acknowledge alarms.
CHANGE BATTERY
This fl ashing indicator fi rst appears when the battery voltage (checked every 15 minutes) indicates that
the battery is approaching the end of its useful life. The indicator continues to fl ash until the battery is
replaced (
B2.2 in Annex B
). The indicator does not appear if the battery is not fi tted.
DISK ICON
This shows the free space available on whatever mass storage medium is fi tted (if any), and selected for
Archive destination (note 1). The disk icon appears soon after the device is inserted (but see note 2).
During archiving, the colour of the central area of the disk changes to green (see note 3). No other disk
activity (e.g. save/restore confi guration) is indicated.
Figure 3.1.3 Archive activity indication
Notes
1. The icon appears only when a memory device is present, AND when that memory device has
been selected in the ‘Archive to media’ selection in archive confi guration (
section 4.3.5
). For
example: if a memory stick is inserted in ‘usbfront’, but Archive to Media is set to ‘mediacard’,
then the disk icon appears only if a suitable card is present in the ‘mediacard’ slot.
2. When a disk is inserted into a USB fl oppy disk drive which is connected to the recorder, the disk
icon appears only after the disk has been accessed, (either by reading from it or writing to it),
or after the fi le system has been opened by touching the ‘fi le’ key. (This note does not apply for
disks which have been inserted before the disk drive is plugged in.)
3. The central area goes green whenever local archiving is taking place - not only when archiving
is taking place to the memory device selected in Archive confi guration.
This area of the icon coloured
green during any archive activity
(not necessarily to the device
selected in Archive configuration).
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