2-5. INITIAL ADJUSTMENTS AND SELF-TEST. (CONT)
Set to TEL.
14. Telegraph terminal
Press break key.
Tone is not heard in telephone
receiver and teletypewriter runs open.
Type letters R and Y.
Observe error free copy. Glowlamp
on TH-5/TG will go out. Varying tone
is heard in telephone receiver.
Steady tone is heard in telephone
receiver for 3 seconds. When tone
stops, glowlamp on TH-5/TG will light.
RING switch (3)
Ringing signal is heard in telephone
receiver and glowlamp flickers.
Connect a wire stripped on both ends from
binding post 2 to binding post 3.
2 and 3 (4)
Set to SEND.
Glowlamp will go out.
Lead (6), lead (7)
a. Connect telephone leads by pushing binding
21. Telephone set
and binding posts
posts in and attaching leads.
Steady tone will be heard in
1 and 4 (8)
b. Disconnect leads.