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Ittl – Bolt VM-1010C TTL Macro Flash User Manual

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VM-1020 Transceiver Settings and Controls

TTL Ratio Mode
This mode allows you to set power ratios between
groups A and B. Group C works independently and
offers TTL, manual, or off modes. For example, if you
set a ratio of 1:2 between groups A and B, group B will
fire with two times more power than group A.

1. Press the Mode [ ] button to switch to TTL mode.
2. Press the Group [ ] button to highlight and enter group selection, and use the adjustment dial to select

groups A:B or C.

3. When A:B is selected, press the Set [ ] button once to select the group flash ratios. Use the adjustment

dial to select a ratio from 8:1 to 1:8.

4. Press the Set [ ] button again to adjust the zoom focus parameter. Use the adjustment dial to set the

zoom focus.

ITTL

+0.1

A:B

TTL

85mm

+0.3

MASTER CH01 9999

Auto

8:1

C

TTL Mode

Flash Groups

Flash Group Ratios Zoom