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DAC Menu Items on the Screen – Right Side:
4.3.6
GAIN
Adjustment of the input gain value – 0.0 dB to 111.0 dB. See also NOTES in 4.2.6.
4.3.7
STEP G
Changes the gain step value – 0.1 dB, 0.5 dB, 1.0 dB and 6.0 dB steps.
4.3.8
DEL #xx ADD
Delete/ADD the DAC curve point (reference echo within the GATE 1, which is
indicated by pink cross “
×
”).
Note: DAC curve points may added/deleted only within the basic DAC mode –
i.e. DAC TYPE shall be DAC 1 or JIS-DAC and TR.CORR 0/0 dB.
4.3.9
TR.CORR / TRIGGER LINE / AUX LINE #
This item is displayed depending on the DAC TYPE switched ON – see 4.3.10 below.
- TR.CORR – adjustment of transfer correction value (transfer attenuation) in dB is
available with DAC TYPE/DAC 1.
- TRIGGER LINE – only in combination with JIS-DAC6 (see 4.3.10) – switching the
active line for alarm triggering with active Gate 1.
- AUX LINE OFFSET – is available with DAC 2 to DAC 5 – see 4.3.10 below.
4.3.10 DAC TYPE
- JIS-DAC6 – 6 DAC curves acc. to JIS standard – -12, -6, 0, 6, 12, 18 dB –
see 7.3.6 JIS-DAC;
- DAC1 – main DAC curve (created using reference reflectors) – see 7.3.4. Setting
of The Reference (Basic) DAC Curve (DAC TYPE 1);
- DAC2 to DAC5 – auxiliary DAC curves, derived from the main DAC curve;
different offsets (in dB) may be adjusted for DAC curves #2 to #5 using
“AUX LINE #” menu item, which appears after any auxiliary DAC curve had been
chosen – see 7.3.5. Setting of Auxiliary DAC Curves (DAC TYPE 2 to DAC
TYPE 5).
