Viavi 3900 Series Operation Manual page 256

7. 5. 3. B. 5 S eq ue nc e
Th e Se q ue nc e f ield is en a ble d w h en D T MF Wa ve fo rm is se lec te d. Th e f ield d efin e s/
ind ic ate s t he D TM F S eq u en ce of the D T M F Wa v efo rm .
7. 5. 3. B. 6 CO DE
Th e Co de fie ld is en a ble d w h en D CS o r D CS IN V Wa ve for m i s se le cte d. Th e fi eld de fin es /
ind ic ate s t he D CS c od e wo rd of th e g en e rate d sig na l.
7. 5. 3. B. 7 Dep th
Th e De p th field d efin e s th e de pt h fo r e a ch ge n era to r w he n AM M o d ula tio n is se le cte d.
D ep th is d isp la ye d a s a p er ce nta g e.
NOTE
7. 5. 3. B. 8 E xter na l M o du l ati on
Th e Ex te rna l M o du la tion to gg le bu tto n e n ab les /d isa ble s the s ele cte d ex ter na l a ud io
so ur ce .
7. 5. 3. B. 9 S ou rc e
Th e So u rce fie ld se ts t he ex te rna l m o du la tion s ou rce fo r th e M od ula tio n Ge n era to rs.
7. 5. 3. B. 10 I mpe da nc e
Th e Im pe d an ce m en u se ts Ex ter na l s ou rce to u n-t erm in at ed h igh im pe d an ce (H i Z ), o r
inc lu de s a 6 00 oh m te rm in atio n .
A n al og D up le x S y st em
Fi g. 7 -3 6 DT M F Wav e form En ab le d F ie lds
A w a rnin g ind ica to r is dis p lay ed if th e su m of th e a cti ve m od ula tio n
s ou rc e le ve l is se t to e xc ee d 99 % A M or 15 0 kH z F M .
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