LEFT HAND TCS CONSOLE
- CHOPPING FOCUS THUMBWHEELS: Do not touch.
- MAINTENANCE NUMBER DISPLAY: Used for maintenance.
- GDN NUMBER DISPLAY: Display Greenwhich Day Number.
- HST NUMBER: Display local, UT or sidereal time.
The switches under those displays allow to set them manually.
- EMERGENCY STOP: Make sure it is unlocked.
- SWITCHES 8 to 15: Not used.
- STOP SLEW: Use it when slewing to the wrong position.
You MUST enter POSITION in TCS window after
the Telescope has stop moving.
- TV GUIDER: Not used.
- KEEP: Creates a catalog entry fgrom the position coordinates.
- MARK: Zeroes the offsets and correct the pointing.
- THIS IS BASE: Zeroes the offsets and defines this as HOME.
- BACK TO BASE: Moves the Telescope back HOME.
- RELATIVE BASE: Zeroes the offsets without redefining HOME.
- ABSOLUTE BASE: Restores the offsets from HOME.
If you are confused, keep track of the offsets changes on the TCS
monitor.
- MAINTENANCE THUMBWHEELS: Used for maintenance.
- RIGHT ASCENSION METER: Reads the RA motor current,
should vary from 2 to 4 while tracking,
from 10 to 20 while slewing.
- DECLINATION METER: Reads the DEC motor current,
should be zero while tracking,
from 10 to 20 while slewing.
- DOME POSITION METER: Zero when the Dome shutter is aligned
with the Telescope.
- DOME CONTROL: Should be in computer mode while operating.
- "Last meter": Not used.
- "Last Switch": Not used.
- RA and DEC THUMBWHEELS: Enter object coordinates manually,
then STAR in TCS window.
- POSITION ENTRY: Press twice to send object coordinates to TCS,
confirm in TCS window.
- WIND SCREEN CONTROL: Press and hold to move it (around 40sec).
- AUDIO LEVEL
- RA and DEC wheels: Not used.
- GUIDE BUTTONS: Use for small movements.
- DOME WHEELS: Move the Dome manually, light on while moving.

OPENING PROCEDURE /
RIGHT TCS CONSOLE /
TROUBLE SHOOTING LIST /
CLOSING PROCEDURE /
Back to 88inch Menu /

WEATHER /
IR WEATHER MAP /
UKIRT WEATHER /
GEMINI CAMERA VIEW

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