Nexus 21 A1557 - Manual (Page 12)

Document Ref: Nex8inst.doc/Rev0 09.07.00 Page 12 of 30 Originator MC Checked by AC__
Step 4 - Select the number of the engineer’s facility required by pressing the corresponding
number button.
5.4
Setting Time & Date
At Step 4 within the Engineer’s Menu (see Section 5.3 above), select 1:SET TIME/DATE.
S E L E C T L E V E L 2 O P T I O N
E N T E R T I M E h h m m s s
# B A C K S P A C E * E N T E R
Time is entered as two digits for each of the hours, minutes and seconds; eg 8am is 08:00:00.
The clock starts, at the time set, when the
*
ENTER key is pressed.
The date may then be entered as two digits for each of the day, month and year for example, the
3rd of August 1997 is 03:08:97. It is not necessary to press the ENTER key after entering the
date, the system automatically returns to normal operation.
5.5 Isolate
At Step 4 within the Engineer’s Menu (see Section 5.3 above), select 2:ISOLATE DEVICES.
Within this sub-menu, the following four options are available. Use the
*
to view these
options (if not currently displayed). Select the required option by pressing the corresponding
number button and then follow the on-screen instructions for each option.
I S O L A T I O N F A C I L I T Y Enables the engineer to isolate/de-isolate loop devices
1 . S E N S O R S
2 . P A N E L I N P U T S
* N X T P A G E # Q U I T Enables engineer to isolate/de-isolate programmable panel inputs
Selecting Option 1. SENSORS reveals the following screen:
S E N S O R I S O / D E - I S O Enables the engineer to isolate/de-isolate a range of devices
1 . S I N G L E 2 . R A N G E
3 . R
E A D 4 . D E I S A L L
# = Q U I T Enables the engineer to de-isolate all the devices
Enables the engineer to view the devices isolated
Enables the engineer to isolate/de-isolate a single device
Within options 1 and 2 above of the Sensor Iso/Deiso screen, follow the on-screen instructions
to enter loop and sensor number(s). Press
*
ENTER at each stage. A screen similar to the
following will appear:
I D E N T I F Y D E V I C E Current Status
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