# '''Check the weather conditions [https://suthweather.saao.ac.za/ here]'''. If windspeed <60km/h and T-T<sub>dew</sub> > 1.5 (see [[#Observing limits|observing limits]]), continue with step 2.
# Open a Chrome or Chromium browser, navigate to the [https://unifivideo.suth.saao.ac.za:7443/cameras Unifi webcam] and , click "Live Feed"and check your volume level so you can hear sounds from the dome. Check that Also open this [https:10.2.50.12 webcam] which gives a wider view of the observing floor is clear.# Open a second another browser window and navigate to the [1ms1.suth.saao.ac.za:5000 TCS ].# Navigate to the "Advanced" tab of the TCS, and in the central "Dome" section, turn the Slew Lights ON and check the webcam to see if observing floor is clear (''URL coming soon''if not, call the standby technician). Switch the Slew Lights OFF.
# Click the '''STARTUP''' button on the bottom right of the screen. This will switch on the slew lights so you can watch it open the dome, baffle and mirror covers, and set the dome to follow the telescope, then switch off the slew lights.
# Select On the TCS "Controls" tab, check that the '''Instrument''' you require by clicking either SHOC or SIBONISE is selected (highlighted in green to the mid-left of the display), and if not, click either SHOC or SIBONISE. SHOC is automatically selected on startup.
=== Instrument start-up ===