2-8. PRESET START PROCEDURE
Always allow the modem 10 minutes to warm up before
you operate it.
Apply power to the modem by
setting ON/OFF switch to ON.
Be sure RCV/SEND switch is in RCV position.
If improper indication is observed, see troubleshooting table, chapter 3.
q See chapter index to determine the correct paragraph for required
2-9. ONE-WAY REVERSIBLE (OWR) OPERATION
a. DC LOOP NO. 1 CURRENT CHECKS
Set METER FUNCTION switch at DC LOOP
Set DC LOOP NO. 1 switch to 20 MA or
60 MA, whichever is needed.
(Check for loop current as follows: next page)