Linearizer Setting - Toshiba LQ300A00 Series Operation Manual

10.6.2

Linearizer setting

(1) Switching to the setting mode (see Subsection 5.2.5)
First of all, press the [ESC] key of the converter several times (normally once although this varies
with the operation status) to return to the initial menu display. Next, use the [→] key to move the
LCD indicator cursor to the menu number "2" of "2 SETTING MENU" and then press the [SET]
key to display the warning message saying "Test output will be valid.". Make sure that there is no
problem and then press [→] to get into the setting mode. To get into [2: SETTING MENU], it is
necessary to further enter the password "8000". Then, the output will be switched to the
simulated output that is set beforehand.
(2) Selecting the linearizer menu (see Subsection 5.2.5)
Initially, the menu list of the menu numbers 5 to 8 is displayed. Press the [UP] key to switch to the
menu list display of the menu numbers 9 to 11. Use the [→] key to move the cursor of the LCD
indicator to the menu number "9" of "9: LINEARIZ/CNDUCTVTY" and then press the [SET]
key to select the menu of "9: LINEARIZ/CNDUCTVTY".
(3) Setting the density and the factor (see Subsection 5.2.14)
The setup menus of density and factor are called one after another from the start of the menu
development of "9: LINEARIZ/CNDUCTVTY". First of all, press the [SET] key at "LA:
DENSITY A" and then, after the setup display of density A is displayed, input the value for
density A. Use the [→] key to move to the digit, and use the [UP] or [DN] key to alter the numeric
value of the relevant digit. When entering input is completed, press the [SET] key to confirm it.
The screen will be returned to the immediately preceding one; make sure that the value is
correctly reset. Continue on to switch to the next setup menu display with the [UP] key. And, in
accordance with the same procedure, set density B and factors K1, K2 and K3.
(4) Returning to the measuring mode
Press the [ESC] key twice to return to the initial menu screen and return to the measuring mode
from the setting mode to resume the normal measurement.
(5) Determining and setting the density multiplier
Perform the density measurement after setting the linearizer and, in accordance with the span
calibration in Section 6.5, determine and set the density multiplier C.
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