Yes
No
square wave
the regular
reference
timing
assistance
4ESAC for
No
Yes
TABLE C
65-100T
65-106T
65-102T
65-117B
PACK
LOCATION
TABLE B
Remove cliplead from
and tie this cliplead
[14] Using clipleads, tie terminals
[17] Is BSRF
[19] See NOTE 3.
[18] Call
scope to 4-kHz signal connected
FG64
FG65
FG72
FG76
050-65
050-67
050-25
050-27
[12] At rear of NCSU, connect channel
65-108T to terminal
OGDT
[15] See NOTE 2. SYNC channel 1 of
channel 1 of
scope
terminal
65-OGDT
to terminal
65-000T
[9] Ensure NCSU circuit packs listed
[16] Is 4-kHz
present on
AND
ALIGN DISCIPLINED RUBIDIUM OSCILLATOR FREQUENCY
USING EXTERNAL REFERENCE
listed in TABLE C to ground
terminals
65-205T (SYNC signal)
[10] Remove NCSU circuit packs
[13] Using cliplead, tie terminal
in Step 12
located at 050-63 and 050-59
(
FG61
and
FG62
)
1 scope probe to terminal
in TABLE B are installed
[11] At 1A power switch, depress
ON
pushbutton (
PWR OFF
lamp
extinguishes)
NOTES
alternate DS1B
must be used
65-103T
65-019B
operative;
2. SYNC channel 1
on negative edge
3. DS1A is not
of 4-kHz signal
DLP
PAGE 2 of 5
234-151-013
Issue 8
DEC 1995
544
