Canon EOS 55 Service Manual page 96

Part 3: Repair Information
AGC Chart
This is the same chart used with the EOS 5. Construct as shown
as shown
A3 Size
Fig. 3-7 AGC Chart
2. X-Sync Time Lag Check Tool
This kludge is used for measuring X sync time lag. Use a flash accessory shoe with a
4. 7kn resistor from the CCC terminal to ground and leads attached as shown.
To EF8000
4.7k
ohm
Acc. Shoe Tool
Fig. 3-8 Accessory Shoe Tool
3-5