2-9. STATIONARY INSTALLATION.
2-l 1. VIEWING ANGLE. Refer to figure 2-5 for
illustrations of viewing angle options. See Chapter V
for bottom cover removal.
2-10. POWER REQUIREMENTS. An R. L. Drake
Model AC-4 Power Supply rated at 120 volts ac,
50/60 Hz, is required for stationary installations.
The AC-4 is designed to fit inside the MS-4
speaker cabinet.
2-l 2. ACCESSORIES. Refer to figures 2-6 through
2-9 for the electrical connections required to
operate the TR-4C with the various recommended
accessories.
NOTE
If the old RV-3 is to be used it must
be modified as follows: Install a 22 K,
2 Watt resistor from pin 1 of the tube
(OA2) to the terminal of the FUNCTION
switch to which the orange wire is
attached.
GROUND
ANTENNA
POWER
EXTERNAL EXTERNAL
RECEIVER RECEIVER
ANTENNA
MUTE
Figure 2-2.
Rear Chassis Connectors
2-2
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