ceiver can be shifted in time from this menu. If
you don’t know the exact delay, assume an
approximate value of 5 ns/m as a rule of thumb.
Alarm Menu
In this menu you can watch and manage the
alarm log. You can also set up the alarm behav-
ior.
Scroll through the log entries by selecting
Log
.
Then press
ENTER
or
u
.
If you press
ENTER
or
u
once more, you are
given the opportunity to erase the log entries.
In the alarm
Setup
menu you can choose among
a number of alarm sources and decide their
alarm level, i.e.
urgent
,
non-urgent
, or
no
alarm
.
n
Alarm Outputs
Two relay-controlled alarm loops, one for ur-
gent and one for non-urgent situations, are
available via a D-sub connector on the rear
panel. The normally closed (NC) contacts will
open when the respective alarm criteria are
met. Figure 3-2 shows the pin configuration.
Power Source Menu
In this menu you can see what power options
are installed and the current status of those op-
tions.
Note:
When the unit is about to enter
Standby
mode, and the battery op-
tion is installed, the screen below will
appear.
Only one of the alternative DC power supply
units, Option 77, Option 78 or Option 78/HS,
can be installed. All of them can serve as UPS
devices, i.e. you can have external (Option 77)
or internal (Option 78 and Option 78/HS) bat-
tery backup for the AC supply. Option 77 and
3-6 User Interface
Using the Controls
ALARM LEVEL
CIRCUIT (NC)
URGENT
Pins 8-9
NON-URGENT
Pins 1-6
Figure 3-2
Alarm connector pin
configuration.
Содержание GPS-12
Страница 1: ...GPS 12 GPS 12R GPS 12R HS GPS 12RG GPS GLONASS GPS Frequency Standards User s Manual...
Страница 2: ...II 4031 600 12001 Rev 05 May 2017 2017 Pendulum Instruments Altaria Services...
Страница 5: ...Chapter 1 Preface...
Страница 8: ...This page is intentionally left blank 1 4 Preface...
Страница 9: ...Chapter 2 Preparation for Use...
Страница 17: ...Chapter 3 Using the Controls...
Страница 24: ...This page is intentionally left blank 3 8 User Interface Using the Controls...
Страница 25: ...Chapter 4 GPS 12 Monitor...
Страница 28: ...This page is intentionally left blank 4 4 Main Features GPS 12 Monitor...
Страница 29: ...Chapter 5 Performance Check...
Страница 35: ...Chapter 6 Preventive Maintenance...
Страница 38: ...This page is intentionally left blank 6 4 Battery Replacement Preventive Maintenance...
Страница 39: ...Chapter 7 Specifications...
Страница 48: ...This page is intentionally left blank 7 10 Ordering Information Specifications...
Страница 49: ...Chapter 8 Appendix...
Страница 57: ...Chapter 9 Index...
Страница 61: ...Chapter 10 Service...