Tektronix 11A72 Manual page 12

Removing the to STANDBY. Align the grooves in the top and bottom of the amplifier with the
Amplifier guides in the mainframe plug-in compartment, then insert the amplifier into the
mainframe until its front panel is flush with the front panel of the mainframe. (See
Figure 1-1.)
Always set the mainframe ON/STANDBY switch to STANDBY before
installing or removing the amplifier. This will prevent damage to the
amplifier of the maintrarme.
if the green indicator light remains ON when the STANDBY position is
selected, the switch has been internally disabled. To remove or rein-
Stall amplifier units in this case, use the mainframe PRINCIPAL POW-
ER SWITCH (rear panel) to shut OFF the power. This will prevent
damage to either the amplifier or the mainframe.
To enable the ON/STANDBY switch, refer the mainframe to qualified
Mainframe
TIAT2
Amplifier
Bottom Guide
Figure 1-1 — instalfing and Removing an Amplifier
To remove the amplifier from the mainframe, set the mainframe ON/STANDBY
switch to STANDBY. Then pull the release latch to disengage the amplifier from
the mainframe, and pull the amplifier straight out of the compartment.
7-4 . General information