Table 3-2. Orderwire Power Supply TF1927.7 Controls and Indicators (Figure 3-2)

T.O. 31W2-4-206-2

TM 11-5805-622-14/1

Test point for input voltage.

3000V~

Test point for Channel 1 output voltage.

cm 30V~

CH2 30V-

Test point for Channel 2 output voltage.

Input Fuse Mains 0.2A

Input power fuse.

CH1 0.6A

Channel 1 output fuse.

Table 3-3. Channel Modem TF3012.1A Controls ad Indicators (Figure 3-3)

REFERENCE

ITEM

FUNCTION

DESIGNATION

R15

Adjusts voice frequency level of re-

ceived signal.

R12

Adjusts carrier frequency level of

transmitted signal.

Table 3-4. 16 and 576 KC/S Carrier Supply TF1792 Controls and Indicators (Figure 3-4)

Adjusts level 576 KC/S Carrier.

Calibrates the oscillator frequency to

576 KC/S nominal.

3-2