User's Manual

Factory Settings
1. Ensure that the E4 is turned off.
2. To reset the E4 to factory settings, press and hold down the Mode Button [2] and then press and hold the
Power Button [11] simultaneously until the Display [1] shows “rES”.
3. Release the buttons, E4 is turned on and reset to factory settings.
4. The factory settings of E4 are - TTL mode, 1st (First-curtain synchronization), Channel 1, all groups, the
relationship between the energy levels for group A, B and C is all 0.0.
Other functions
1. Power Saving
 To save battery, the backlight of Display [1] will automatically turn off after 30 seconds of inactivity.
 Press the Power Button [11] to turn on the display backlight
 The display backlight also switches on when any of the function buttons are used..
2. Relay State
 Press and hold the Mode Button [2] until E4 makes two short beeps to enter into the Relay State or to
exit and return to the Standard State.
 The Indicator [10] blinks red in Relay State.
 The Indicator [10] blinks green in Standard State.
 The E4 in replay state only works with the E2 in reply state receive mode. ***
***Refer to the user manual of E2 for more info.
3. Firmware Update
 We recommend that you look for firmware updates before you start using your new E4.
 Press and hold the Mode Button [2] for 10 seconds when the E4 is turned on, the current firmware
version number is shown on the Display [1].
 Go to www.aodelan.net
to download the latest firmware update package for the corresponding E4
version, update your E4 to the latest firmware version according to the provided Update Instruction.