RT300RF INSTRUCTION MANUAL
18
OTHER FUNCTIONS AND CONTROLS
Backlight
The backlight of the RT300RF is switched on automatically whenever any of
the keys are pressed. The backlight will remain illuminated for
approximately 5 seconds after the last key press, except if you are changing
the set point temperature – in this case, the backlight will remain
illuminated throughout the setting change process.
The backlight will not illuminate if the RT300RF battery is low.
Battery Status
The RT300RF checks the battery voltage frequently during normal
operation. If the battery voltage is sensed as being low (this is normally
when the battery voltage falls to a level of around 2.6V), the low battery
indicator will be displayed on the screen.
Although the programmable thermostat will continue to operate normally
at this stage, you should replace the batteries as soon as possible to prevent
any possible operating problems.
Reset Button
The Reset Button is provided as a way to restore the thermostat to its default
factory settings. Pressing this button will delete any previously entered
settings.
Sleep Mode
By pressing both the UP and DOWN keys together, the RT300RF will enter
SLEEP mode. In this mode, all the RT300RF functions will be paused to save
battery power.
While in SLEEP mode:
•
The LCD display will be blank.
•
All output from the Control Unit will be turned off immediately.
Press any key to wake up the RT300RF and cancel SLEEP mode.
Salus RT300RF Manual 002_89 22/07/2013 09:19 Page 18
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