PART 1 - DESCRIPTIVE
A.L.1. 51. DME-Rebecca Mk.7 (ARI. 5849) and Mk.8 (ARI. 23013)
(a) The control unit(88) is on the starboard shelf. A range
and heading meter (57), which indicates range and left/
right heading from the homing beacon, is on the instru-
(b) Two suppressed aerials are fitted in the engine starter
and engine access doors.
52. G45 and recorder cameras
(a) The cine and recorder cameras are operated automatic-
ally whenever the gun or camera firing switch on the
control column is energized, with the camera master
(b) The camera master switch (67) is on the switch panel
below the instrument panel. The aperture switch (61)
is on the starboard side of the instrument panel.
A.L.1. 53. Guns/R.P. firing Gun firing
(a) The gun firing switch is on the forward face of the con-
trol column handgrip. The circuit is automatically
isolated when the undercarriage is locked down. A butt
test switch (87) is mounted on the starboard shelf and
provides an override of the automatic isolation of the
gun firing circuit.
(b) When the guns are fired, an electrically operated selector
is energized to open the gun bay scavenging flap. This
causes air to clear the gases from the gun bay through
the link and empty case chutes. When the trigger is
released the scoop closes and the air flow is cut off.
A.L.1. (c) The bombs/R.P. firing button is on top of the control
column beneath a safety flap.
(d) The R.P. RIPPLE (46) and SELECTOR (49) switches
are on a panel on the left of the gunsight.