SECTION 2
2-8
INSTRUMENT CHECKOUT
AND MAINTENANCE
Mainframe Instrument Checkout
7.
CATEGORY and RESULTS switches
Select the SIGNAL category RX LEVEL
result in the RESULTS display. The value
for this result should be 0 dBdsx
±
0.5 dB.
T1
RX LEVEL
ALL ONES
+
0.0 dBdsx
SIGNAL
6.0 Vp-p
8.
LBO switch
Select -7.5 and confirm that the RX LEVEL
result changes to -7.5 dBdsx
±
1.5 dB.
9.
LBO switch
Select -15 and confirm that the RX LEVEL
result changes to -15 dBdsx
±
2.0 dB.
10.
LBO switch
Select -22.5 and confirm that the RX LEVEL
result changes to -22.5 dBdsx
±
3.0 dB.
11.
RESULTS switch
Select the RX FREQ result in the RESULTS
display (SIGNAL category). Confirm that
the value for this result is within the range of
1,543,999 to 1,544,001 Hz.
MODE
PATTERN
CATEGORY
RESULTS
MODE
CATG
PATT
Содержание T-BERD 107A
Страница 81: ...SECTION 3 3 42 INSTRUMENT DESCRIPTION ...
Страница 203: ...6 20 SECTION 6 PRINTER OPERATION ...
Страница 239: ...C 18 STRESS PATTERNS APPENDIX C ...
Страница 249: ...INTELLIGENT APPENDIX D NETWORK EQUIPMENT D 10 ...
Страница 261: ...INDEX T BERD 107A INDEX 12 ...