Rollei Pro Transmitter Mark II Instructions Manual page 36

Functions
36
12. Power
Here you set the power output of the radio signal . You can select the
power level between MIN (minimum: 18 dBm), NOR (medium: 20 dBm)
and MAX (maximum: 22 dBm) . Use a higher power level the further away
the radio transmitter and the flash are from each other .
13. Flash (w)
Here you can set the power according to the flash you are using (200 W /
400 W / 600 W / 800 W / 1200 W / 1600 W) . This supports the accuracy of
the exposure when using the TTL mode .
14. CH recommend
As the wireless frequency of this radio trigger is 2 .4 GHz, it will automati-
cally search and recommend a suitable channel to avoid frequency overlap
with other electronic devices in the work environment that use the same
frequency .
ENGLISH