Screen indicators workstation operator guidance and start
azimuthal screen on left and elevation screen on right
Range scale vertical
1. The operator controlled label target lock;
2. The target mark;
3. The target mark followed by the current group channel;
4. The target mark followed by the other group channel;
5. Waiting gates for capture targets;
6. Missile marks and its accompanying Gates.
Seasoned (Dvina, Volhov) SAMSIM veterans now could raise their eyebrows, as the Betha (horizontal) and the Epsilon (Vertical) indicators are interchanged here...
... but the S-25 had several upgraded (different) versions:
54, S-25
57, S-25M (1. modernization)
65, S-25M (2. modernization)
68, S-25MA (3. modernization)
79, S-25MAM (4. modernization, stage 1)
82, S-25MR (4. modernization, stage 2)
From the S-25M version (1. modernization), the B-200 had 75km range and the usual (Epsilon/Betha) indicator.
