Startup:

1. North Control Room:

-Servo amplifiers: 'Declination' and 'Hour Angle' buttons

-Hydraulic bearing: 'Start' button

2. Dome Floor:

-IMPORTANT: Ensure weather conditions are within acceptable limits before proceeding.

-Unplug the extension cord from the HEPA filter.

-Press the green 'Reset' button located on the Telescope Console.

-Pin the doors open.

-Open louvers via the panel located near the doors on the east wall with ‘LL Open.’

-On the console, depress the 'Dome Open' button until the shutter is fully opened.

Note: The console does NOT correctly display the state of the shutter. Rely on visual and audio cues to indicate when the shutter is fully opened.

-On the Hand-Paddle, select 'Upper Windscreen' and move

...

North until it stops.

-Open the mirror cover via the console.

-Extend the light shield.

Note: For GCMS (VIRUS-P) and VIRUS-

...

W ONLY (Generally any instrument at f/9 will use the light shield / baffle).

-In the TCS computer, select Tools → Enable Dome Automation

3. Slit Room (for TS2 ONLY):

-Slew M5 turret to Slit #2 Silver.

-Carefully uncover M5.

-If slit cover is present, remove it carefully.

-Uncover Guide Reflector and Guide Camera if

...

covered.

Shutdown:

Note: Before leaving for the night, please logout from ATLAS.

1. Dome Floor:

-Retract the light shield if extended.

-Close mirror cover.

-Close dome shutter.

-In TCS: Next → Stow → Yes → Go Next.

-Slew to stow.

-Center the upper windscreen over the telescope.

-Close doors and louvers.

-Turn on Passage Lights.

-E-stop the console.

2. Slit Room (for TS2 ONLY):

-Carefully cover M5.