Remote surveillance of the nELBE cave (up to June 2018)

(latest version)

In the nELBE cave (542/125) two Logitech QuickCam cameras are installed to monitor the target position and scanner movement. Both cameras are accessible via the PC FWK21.

The first camera looks in direction of the collimator exit (cf. Fig. 1) and sees the second camera (A), the vacuum window of the beam tube (B) and the horizontal (C) and vertical (D) beam scan detectors.

The second camera looks in direction of the beam dump (cf. Fig. 2) and sees the first camera (A), the target control box (B) and the target (C) inside the BaF₂ array,

Camera control

The following steps have to be done to get access and control the camera:

connect to FWK21	rdesktop -g 1240x900 -a 16 -k de fwk21 user name: ntofdaq password: *******
start program window	double click "Logitech Quick Cam" symbol (1)*
open video window	click "Quick Capture" button (2)*
open control panel	click "Einstellungen ändern" button (3)*
pan and zoom	use "Schwenken und Kippen" and "Zoom" controls (4)*

* numbers in brackets corespond to the arrows shown in Figure 1

Camera change

The switch between the two cameras the following steps have to be done:

open control panel	click "Einstellungen ändern" button (3)*
switch to advanced options	click "Erweitere Einstellungen" button (5)*
choose the camera	from the drop down menu of "Kameraauswahl"

* numbers in brackets corespond to the arrows shown in Figures 1 and 2

Figure 1: Following steps 1 to 4 the nELBE cameras can be controled.

Figure 2: Illustration of how to switch between the two cameras.