The following color photographs identify the external mechanisms and attachments of the spectrograph. The four sides correspond to those referenced in the text, with Side 1 referring to the side nearest the control room (west side), and subsequent sides following as when viewing the spectrograph walking clockwise. The photographs are available online as side1.gif, side2.gif, side3.gif, side4.gif.
A. CCD dewar and camera head box (leave alone!)
B. Acquisition TV camera
C. Manual control paddle for adjusting telescope pointing
D. Comparison lamp control box
E. Grating clamp
F. Grating tilt adjustment knob and readout
G. Collimator focus mechanism
H. Below-the-slit viewing eyepiece
I. Below-the-slit viewing selector
J. Above-the-slit/TV viewing eyepiece
K. Acquisition TV blue filter control lever
L. Offset guider box
M. Offset guider probe
N. SCR control box for offset guider motion
O. Above-the-slit filter wheels
P. TV-eyepiece selector knob for aperture viewing
Q. Grating housing port
R. Slit selector crank and locking lever
S. Below-the-slit filter wheel rotation knob
T. Below-the-slit filter wheel info card
U. Erfle eyepiece selector switch
V. Wide-field Erfle eyepiece
W. Schmidt camera shutter lever
X. Comparison lamp assembly