This table summarizes what you read in the five "screens". Look at the hand pad for a while to
familiarize yourself with this five "screens"
You read…
Notes
First screen
1
st
row: Date and time
Format is dd/mm/yy, 24h. Available only if a computer is
connected, and read from the computer. There is no clock or
battery inside then ATC-02.
2
nd
row Shutter status and
fans speed
If shutters are not installed, their status is always "OPEN". Fan
speed is given as percent of maximum.
3
rd
row: BFL position and
last command
The BFL (Back Focus Length) is the distance between the focal
plane and the back plate of the scope. "Local" or "Remote"
indicate if the last command to the position of the secondary
mirror has been given locally (via hand pad) or from the PC. This
information is meaningful only if the optional secondary mirror
motor is installed.
Second screen
1
st
row: "Mirrors
temperatures"
Just a reminder of what you read in this screen – obviously the
temperature of the two mirrors.
2
nd
row P xx.x OFF S xx.x
ON
Primary and secondary mirror temperatures, in Celsius degrees,
and if each heater is ON or OFF at the moment.
3
rd
row: Set x.x Set x.x
Set temperature for the two mirrors
Third screen
1
st
row: Hum xx.x, Temp
x.x °C
Humidity in % and local temperature
2
nd
row Pressure xxxx mB Local pressure, in mbar
3
rd
row: Dew point xxx °C
Local dew point, in °C. Dew point is calculated from temperature
and relative humidity.
Fourth screen
1
st
row: "Auto Heating"
Just a reminder of what you read in this screen – the status of the
mirror heaters.
2
nd
row Prim…
OverDwP…
If the primary mirror heater is ON or OFF, and the required
temperature over dew point (usually a good choice is 2°C above
dew point).
3
rd
row: Sec… OverDwP… Same as above, for the secondary mirror.
Fifth screen
1
st
row: Backlash: …
Backlash: see point 5) of the "Quick controls" tab, above, for a
description of this function.
2
nd
row Direction: ….
Direction of backlash (inward or outward)
3
rd
row: Value…
Backslash value, in units of 1/100 mm
To give commands to the telescope via the hand pad, you
will use the four buttons, marked [E] (Enter), [S] (Step), [+]
and [-].
[+] and [–] change the current menu item or value (once
you entered one specific function).
[E] enters each function from the menu and goes back to
the menu after you set the value.
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