7.2 Frequency
7-9
To measure the TX operating frequency;
1. With RT display, press [SETUP] to show Setup menu.
2. Move the cursor over SYSTEM and press [ENT]. The System setup menu protected
is displayed.
3. Enter the password, xxxxxx to unlock the system menu.
4. Move the cursor over TONE and press [ENT]. “Tone Tx test” menu appears.
Table 7.2.1 Tx Power setup (User) menu
Item Description Options
TONE Selects tone signal
OFF: No tone
DOT: 1700+
85Hz
MARK: 1700Hz – 85 Hz
SPACE: 1700Hz + 85 Hz
TX FREQ Selects operating frequency
MODE Selects mode SSB, TLX
TX KEY Tx key ON/OFF ON/OFF
DSP
Select DSP
Select either DSC or NBDP DSP
board for tone signal output.
DSC, NBDP
5. Set TONE line. (OFF, DOT, MARK, and SPACE)
6. Set TX FREQ line.
7. Set MODE line.
8. Set DSP line.
9. Set TX KEY to ON, and press [ENT].
10. Read the frequency on the frequency counter.
Table 7.2.2 Frequency deviation
Frequency Mode Tone signal Operating Freq. Freq. error
MARK Fo + 1615 Hz
SSB
SPACE Fo + 1785 Hz
MARK Fo - 85 Hz
Fo
TLX
SPACE Fo + 85 Hz
Within
+
10 Hz
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