Anritsu MT9812B, Operation Manual, Page: 54 / 144

Section 4 Operation
4-2
4.1 Panel Description
4.1.1 Front Panel
1 4 5 6 7 8 9
3 2
1 Power switch A switch to turn ON/OFF the power source.
Pressing the switch (I) turns the power source ON. Pressing it again to switch it
into the projected state (O) turns the power source OFF.
2 Plug-in slot Places to mount units. When no units are mounted, blank panels can be mounted.
3 Blank panel
A cover to be used when no units are mounted.
(It is not possible to concurrently mount the blank panel and the unit.)
4 Control key When the MT9812B is in remote mode, the lamp on the right lights on. If this key
is pressed in the remote mode, the mode returns to the local mode. In the local
mode, the lamp goes off and the manual panel operation become enabled.
5 Optical Output Enable/Disable
Turns on and off the outputs of all light sources inserted in the MT9812B at one
time.
6 Error display When an error occurs in the MT9812B or an inserted unit, an error code is dis-
played in the parameter display field and this lamp lights on.
7 Channel selection Selects the unit to be operated on the panel, manually.
8 Parameter display
Displays the setting conditions of the unit whose channel is selected.
9 Operation keys Selects the parameter item to be set or displayed, and inputs numeric values.