Canon CN8x15 Operation Manual page 155

Checking Lens–Drive Unit Communication
View the status of communication between the lens and drive unit as follows.
Initial Top Screen
[ ]
1
MENU
[ Basic ] [Adj]
[ I-Gain ] [Trk]OFF
[I-Tq]H
Fr1P
A
Info Screen
Info
S/N
OFF
3D:
Encoder: OFF
Info
/ i
State
Adjust
Info
State
Lens
Info
State
Lens
Lens Interface:
Connected
MENU
1
Press once and
The display switches to the Info screen.
2
Press seven times.
[State] is underlined.
3
Press .
4
Press .
[Lens] is underlined.
5
Press .
This screen indicates normal
communication.
If "Non-connected" is displayed, contact
Canon or your dealer.
Info
× 2
twice.
× 7
E153
4. Operation in Full Mode
Note: "Non-connected" is displayed
when no power is being
supplied to the lens from the
camera mount.