Epsolar SPP-01, User Manual, Page: 5 / 25

3
3 Features
3.1 Features
Description Operation Remarks
K1
（
Toggle
switch1
）
COM Communication converter mode
MEM P arameter configuration mode
K2
（
Toggle
switch 2
）
Line Wire communication mode
IrDA Reserved
K3
（
Toggle
switch 3
）
On Power on
Off Power off
K4
（
Water proof
key 4
）
P ress the button
P ress the key to enter configuration
mode (the indicator led is on), click
it again to update the configuration.
P ress and hold
the button
Test “ Turn on” or “ Turn off” the
load.
Indicator led and
buzzer
Configuration
mode
The indicator led is on without a
beep.
Update The indicator led flashes once
K1
K2
K3
LED
K4