PAl7
PA17/525
- 290 -
OBSOLESCENT.
Changeover Relay Panel used on BA13/513
2 video and 2 sound programme inputs.
circuit associated with one relay.
1969. ACO. WITHDRAWN .
for changeover of
Includes a delay
Based on BAl7/502.
==========================================================================
PA17 Sub Group not available for new designs DD 1977.
PA18/1
PA18/2
PA18/3
P A18M/ 4
PA18/5
PA18/6
PA18/8
PA18/9
PA18/10
PA18/11
PA18 SWITCH PANELS
Recoded PS3/3. 1956. DD Spec 2.111. OBSOLESCENT.
Used on Glasgow-Kirk
switching amplifiers.
O'Shotts VF Switching
1960. DD Spec 2.142.
System for
WITHDRAWN .
Drive Changeover
OBSOLESCENT.
Panel
used on
BAl3/5.
1961.
Remote RF Switch Panel consisting of PN3/23 with up to
eight UN9M/10 or UN9M/11 as required. First used
Tatsfie1d. Originally coded PA18M/512. DD 1965.
DD Spec 12.8. OBSOLESCENT.
Switch Panel fitted with
distributing diodes. Used in
indicator. 483mm x 89mm. 1966.
push-button
conjunction
WITHDRAWN .
switch
with
and
a lamp
Source Selection Switch Panel (Unise1ector) used for
television sound routes and for vision matrix control.
Capable of switching 25 sources to 2 destinations and
routing music line/control line with other levels used for
vision matrix operate/sync/non-sync working. CH1/29 or
CH1/10. 1966. OBSOLESCENT.
Power Switch Panel used on EP13/2, EP13/2A,
Includes bus-section circuit breaker and a meter.
2134mm high. 1967. ACO. WITHDRAWN .
EP13/ 2B.
610nm x
Power Switch Panel used on EP13/2, EP13/2A, EP13/2B.
Includes circuit breaker for controlling an incoming 415V
3-phase and neutral supply with metering equipment. 610mm
x 2134mm high. 1967. WITHDRAWN.
Power Switch Panel used on EP13/2, EP13/2A, EP13/2B.
Includes 800A fuse switch to control an outgoing 415V
3-phase and neutral supply, with metering equipment.
610mm x 2134mm high. 1967. ACO. WITHDRAWN.
Power Switch Panel used in EP13/2, EP13/2A, EP13/2B.
Includes 500A fuse-switch and 5 160A fuse-switches for
controlling supplies to UHF transmitter installation.
610mm x 2134nm high. 1967. ACO. WITHDRAWN.

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