9
Install the tubes only in the vertical position by pressing the tubes! Do NOT
attempt to sway the tubes to facilitate the installation: it may result in the
tube connector and contact failure.
Observe the tube orientation!
IN-18 tubes have fourteen contacts. The spacing between the first and the last
contacts is increased
–
use it as the marker of the tube correct position
during their installation.
Only after making sure that all the outputs of IN-18 Nixie tubes fit the relevant
contacts of the clock terminal perform the indicator final installation by the
vertical pressing onto it with a slight effort until it stops holding the clock
body.
Positioning Location Selection
After installing all the four tubes select the place for the clock permanent
location. During the location selection consider the possibility of the signal
reception from GLONASS/GPS satellite navigation systems. The signal reception
depends on the clock position indoors, from the room position inside the building
and adjacent buildings covering the sky. Toner films on the windows also
substantially affect the clock operation. It is not recommended to install the
