PortaMonitor Switches and menus Page 7-3
7.3.5. RESET key
The use of this pushbutton or its equivalent external function control
resets the memory.
7.3.6. GAIN key
The use of this pushbutton or its equivalent external function control
boosts the input sensitivity according to the measuring standard in use.
It also changes the PPM scale by a factor of the added gain. Here´s a
list of the gain for the different standards:
Mode or standard: Gain:
Digital 40 dB
DIN 20 dB
NORDIC 40 dB
BRITISH IIa + IIb 40 dB
VU 20 dB
ZOOM 20 20 dB
7.3.7. SHIFT + GAIN key
Pressing the SHIFT and GAIN key simultaniously causes a permanent
input sensitivity boost. This function can be cancelled by pushing the
GAIN key again or selecting another operation mode.
7.4. Key functions in mode: RTA
7.4.1. REF+ or REF- key
This keys can be used to shift the 0 dB reference point for the real time
analyzer display.
7.4.2. SHIFT and A/P
Holding the SHIFT key while pressing the A/P key toggles the RTA
detector between AVG (average) and PEAK. The actual selection is
marked by an underlined character.
7.4.3. SHIFT and TC-M
Holding the SHIFT key while pressing the TC-M key allows selection of
the RTA detector integration time constant. The actual selection is
marked by TC-F[ast], TC-M[edium], TC-S[low].
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