Acterna SPM-32A - Page 6

4.1.2 Display . . . . . . . . . . . . . . . . . . . . . . 4-11
4.2 Operation and features . . . . . . . . . 4-15
4.2.1 Operating modes . . . . . . . . . . . . . . 4-15
4.2.1.1 Selective level measurements . . . . 4-16
4.2.1.2 Wideband measurements . . . . . . . 4-18
4.2.1.3 SSB demodulation (DEMOD) . . . . 4-20
4.2.2 Inputs, input impedances (Z/W) . . . 4-22
4.2.3 Receive frequency (FREQ) . . . . . . 4-26
4.2.3.1 Frequency entry (TUNE: keypad or
steps) . . . . . . . . . . . . . . . . . . . . . . . 4-27
4.2.3.2 Frequency entry (STEP: keypad,
adjustable step width) . . . . . . . . . . 4-29
4.2.3.3 SEARCH . . . . . . . . . . . . . . . . . . . . 4-31
4.2.3.4 AFC . . . . . . . . . . . . . . . . . . . . . . . . 4-37
4.2.4 Bandwidths . . . . . . . . . . . . . . . . . . 4-39
4.2.4.1 Setting the bandwidth . . . . . . . . . . 4-43
4.2.5 Level mode . . . . . . . . . . . . . . . . . . 4-46
4.2.5.1 Absolute level (ABS) . . . . . . . . . . . 4-47
4.2.5.2 Level difference (ABS-REF),
reference level (REF). . . . . . . . . . . 4-50
4.2.5.3 Levels in dBm0, relative levels
(REL) . . . . . . . . . . . . . . . . . . . . . . . 4-54
4.2.6 Bargraph, AVRG, MAX. HOLD . . . 4-56
4.2.6.1 Bargraph . . . . . . . . . . . . . . . . . . . . 4-56