SPM-32A ... SPM-36A 4.2 Operation and features
4-17
• If necessary, select the expanded bargraph and the
averaging facility.
Use the keys in the group marked "SCALE" and the shift
key: [*] [7] or [*] [8]
---> (see section 4.2.6 on page 4-56)
Row A: Level (rms)
Row B: Bargraph
Row C: Receiver frequency
Row D: Relative level, reference level or memory
function (otherwise this row is blank)
• If no result is displayed, press [ABS], [ABS-REF] or
[dBm0] (see section 4.2.5 on page 4-46)
• You cannot change the frequency shown in row C unless
a flashing arrow appears before the entry; press [TUNE]
or [STEP]
• If a "?" appears to the right of the level, the level is out of
range.
• To check the total level, select the wideband receiver by
pressing [WIDE]. Return to the selective mode by
pressing [TUNE] or [STEP]; the bandwidth is
automatically set to 3.1 kHz.
– You can select any of the other two bandwidths, e.g.:
25 Hz (100 Hz) by entering [*] and [4]
• To demodulate a signal so that you can hear it, press
[DEMOD]. Return to level display by pressing [ABS],
[ABS-lREF] or [dBm0]
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