DK3

- 94 -

DK3 CONTROL ROOM DESKS

DK3/1

SCRE's Desk at Bush House. Accommodates in CT/49 Cabinet

controls for visual and aural monitoring on sources and

other selected points, intercommunications with control

positions and control room telephone facilities to

sources, etc. DD 1956. DD Spec 3.139. OBSOLESCENT.

DK3/2

Source/Route Selection Desk. Maximum capacity is 24

circuits accommodated on 12 panels PA8/9A. Each circuit

can be controlled by Master Key on Mounting and Continuity

Desk DK2/2. Cabinet CT/49. First used Glasgow. DD 1957.

DD Spec 3.157. OBSOLETE.

DK3/3

Selection and EMX Position Desk. Provides selection and

indication for 8 source/route selector circuits on 4

Panels PA8/9A. Each circuit is controllable by Master

Key, on DK2/2. EMX facilities provided for maximum of 80

subscribers and 6 tie circuits on 2 Panels PA8/l0A,

PA8/10B and 2 Panels PAS/11A. Also accommodates part of

monitoring facilities used with adjacent desk DK2/2.

Cabinet CT/49. First used Glasgow with BA9/l and PA9/2.

DD 1957. DD Spec 3.154. OBSOLETE.

DK3/4

Desk Control Position, Control facilities for two

programmes which are switched and one fed direct such as

"Basic Home". Includes CT/49 with PA8/9B, PAS/14B,

PA8/17A, PA8/1SA, Panels 231, 245A, 247C, 24SD and TLU/4.

First used Glasgow with BA4/2. DD 1957. DD Spec 3.155.

OBSOLESCENT.

DK3/6

Television Sound OB Desk used with DK3/l5 for selection

and indication of 60 100 outlet source selector circuits,

50 EMX subscribers, programme monitoring for 135 twin

monitor points, vision monitoring for 23 points, control

line monitoring for 48 points, intercom. Comprises CT/49

with 2 IN1/2, JF2/1, PN3/4 (with ASN/4, FHP/3A) TS/lO,

ATM/1, AT/30, 2 panels no. 234A, PAS/113A, PA8/ll3B.

Broadcasting House Extension. DD 1955. DD Spec 3.354.

OBSOLESCENT.

DK3/7

Sound OB Desk used with DK3/l4 for selection and

indication of one 50 outlet source/route selector circuit,

50 EMX subscribers, programme monitoring for 45 twin

monitoring points, intercom for 15 points. Comprises

CT/49 with UN10/3, 3 panels 240, 233C, 243C, 246C, 3 231,

PAS/1lA, PAS/llB, PA8/26A, PA8/36A, PA8/49A, PAS/5lB.

Broadcasting House Extension. DD 1955. DD Spec 3.194.

OBSOLESCENT.

DK3/S

Control and Monitor (C/M) Desk for two source/route

channels. Comprises CT/49 with 3 panels 240, PAS/27E,

PAS/27F, PA8/57A, PAS/58A, PAS/59A, PA8/60A, PA8/6lA,

PA8/62A, 2 PAS/63A, PA8/64A, PAS/65A, 2 UN10/3.

Broadcasting House Extension. DD 1958. DD Spec 3.221.

OBSOLESCENT.

DK3/9

S.B. Desk used with DK3/10, DK3/ll, DK3/l2, DK3/13 to form