Haag-Streit Second observer tube, Instructions For Use Manual, Page: 5 / 9

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DEUTSCH ENGLISH FRANÇAIS ITALIANO ESPAÑOL NEDERLANDS PORTUGUÊS SVENSKA DEUTSCH ENGLISH FRANÇAIS ITALIANO ESPAÑOL NEDERLANDS PORTUGUÊS SVENSKA
© HAAG‑STREIT AG, 3098 Koeniz, Switzerland ‑ HS‑Doc. no. 1500.7220394‑04040 – 2021 – 08
3 Introduction
The observation in the second observer tube is monocular and takes place in the
right or left-hand side of the beam path of the stereo-microscope depending on the
slit lamp connection.
3.1 Overview
Required accessories for the slit lamp BQ 900:
1. Beam splitter 50/50 Haag-Streit
part number 1400308
2. Second observer tube short
(1400301)
3. Eyepiece
4. CE label / Haag-Streit part number
(back) type designation
5. Tonometer stop
6. Union nut
7. Second observer tube long
(1400034)
8. Twist grip for image upright
position
9. Release button
10. Selectable relief springs
11. Bayonet joint
12. Joy stick base locking screw
13. Microscope arm locking screw
14. Cover
4 Device assembly / installation
NOTE!
• If the tube is mounted on the same side as the tonometer, the
tonometer stop (5) must be fixed on the end of the tube.
• If the tube is left on the slit lamp permanently, the selectable relief
springs (10) must be reset (See instruction manual for the BQ 900
slit lamp)
• Tighten the control knob (12) on the cross slide to block the microscope arm and
the screw to block (13) horizontal movements.
• Loosening the bayonet joint (11) on the microscope (caution, hold the
microscope tight!) enables the stereo-microscope to be dismantled and the
beam splitter to be mounted.
• Carefully mount the stereo-microscope on the beam splitter with the bayonet
joint.
• Loosen the lid mounted on the side of the beam splitter (14).
• Hold the second observer tube in accordance with the figure. Align the groove
on the end of the tube vertically to the wedges of the beam splitter connecting
sleeve.
• Push the tube into the stop and fix it in place with the union nut (6).