Research Concepts RC4000 User Manual
Page 106
RC4000 Antenna Controller
Chapter 3
Software
98
3.3.2.2 Drive Error Resets
1-AZIM: JAMMED DRIVE RESET
2-ELEV: RUNAWAY 4-RESET PULSE COUNT
3- POL: OK (AZ/EL AT STOW)
RESET <1-3>AXIS <4>PULSES
The DRIVE RESET maintenance screen provides the way to reset drive system errors (JAMMED /
RUNAWAY / DRIVE) for each axis. See the drive system theory section (1.3.7) for description of these
conditions. An axis’ drive status may be reset by pressing the corresponding key.
These screen also provides for resetting the azimuth and elevation pulse counts to their reset state of
32768 (middle of azimuth range) and 100 (bottom of elevation range).
3.3.2.3 Time Maintenance
The Time Maintenance screen allows the user to set the system and reference (see section 1.3.11) time.
Note that all dates are displayed and entered in day/month/year (DD/MM/YY) format. All times are
displayed and entered in hour/minute/second (HH:MM:SS) format. Refer to section 3.1.4 for instructions
on entering date and time.
SYSTEM:11/10/97 22:26:40 TIME
GPS UTC:*GPS OFFLINE* ZONE:CST
DISPLAY:11/10/97 16:26:40 OFFSET:- 6
1-DATE 2-TIME 3-SYNCH 4-ZONE 5-OFFSET
SYSTEM:DD/MM/YY HH:MM:SS
Current date and time as maintained by the RC4000’s real-time clock.
GPS UTC:
Universal Coordinated Time (UTC) from the GPS if valid time data is being received. If valid time data is
not being received, a GPS status message is displayed:
*GPS OFFLINE* - no serial data from GPS is being received
*WAITING FOR GPS* - serial data is being received from GPS but data indicates an accurate time
solution cannot be guaranteed
*NO GPS PRESENT* - The GPS present configuration item has been set to indicate that a GPS receiver
is not installed.
DISPLAY:
Current “reference” time that will be displayed in several screens (MANUAL, MENU). This time is offset
from the system time by the OFFSET number of hours described later.
ZONE:
A three character alphanumeric timezone string the user may customize for displaying during the
MANUAL and MENU modes. This string may be changed by selecting action 4 (ZONE).
OFFSET:
The number of hours the displayed reference time is offset from system time.