First activation turns TV on. Each subsequent activation advances one channel.
Last activation turns TV off.
Second activation turns entire system off. This simple and popular device allows a switch user to control a 240 volt electrical appliance, and accepts any standard switch. Direct - hold down the switch to keep the appliance on. Latch - press the switch once to turn the appliance on, press again to turn it off. The Scanning Director II is intended for people who can operate either a single or dual switch.