7
screen. Refer to Figure 3-1.
:
gain-step adjusting key. Press it for switching gain-step value cyclically by
one of the step values in the array of 0.0/0.1/0.5/2.0/6.0dB. (Represented by
[
↔
] below.)
:
gain increasing key. Press it each time for increasing gain value, by which the
increment is the current step value. (Represented by [dB+] below.)
:
gain decreasing key. Press it each time for decreasing gain value, by which
the decrement is the current step value. (Represented by [dB-] below.)
Note: when the step value is "0.0dB", it means that the gain is unadjustable,
which is convenient for the user to prevent misoperation in detecting.
(3) Main Menu Paging Keys
:
main menu page-up key. Press it for entering the up-page of the main menu.
(Represented by [PgUp] below.)
:
main menu page-down key. Press it for entering the down-page of the main
menu. (Represented by [PgDn] below.)
(4) Submenu Selecting Keys
:
it has two functions as follows. (Represented by [
◄
] below.)
(a) Select submenus (first press for the submenu being selected).
(b) Switch parameter step value or submenu optional selections (need to press for
the submenu being selected first).
(5) Parameter Adjusting Keys
:
parameter increasing key. Press it to increase the parameter value of the
selected submenu or switch submenu optional selections. (Represented by
[+] below.)
:
parameter decreasing key. Press it to decrease the parameter value of the
selected submenu or switch submenu optional selections. (Represented by
[
-
] below.)
(6) Freeze Key