14
GB
RRC HT4/8 - REV001A
OPERATION - MAINTENANCE
WARNING: before operating on the transmit-
ter, make sure that the RRC radio receiver is not
powered. Accidentally pressing a key may activate
the corresponding device and create a dangerous
situation.
• Remove the transmitter from the protective case.
• Remove the transmitter base by unscrewing the six
screws using a Phillips screwdriver.
• Remove the batteries from the battery holder.
• Insert the new batteries (the type indicated in the
technical characteristics) paying attention to their po-
larity.
• Close it checking that the transmitter base sits cor-
rectly in the gasket groove, located on the front of the
transmitter, in order to restore the seal.
• Tighten the six screws.
• Re-insert the protective case.
WARNING: once closed, verify that the transmit-
ter is operating correctly.
BACKLIGHT
Once the enabling procedure is complete, the keyboard backlight is on, along with the ON/OFF key, and then it turns off.
It switches on again for a short amount of time when any key, or a 2 key combination, is released. It can also be turned on
manually, without pressing any key, by quickly pressing and releasing the ON/OFF button.
Disabling the transmitter
The disabling of a transmitter, that is in operational status, can take place automatically and manually.
Automatic mode: the transmitter is disabled, and the ON/OFF key switches off, when neither a key or the ON/OFF button
(to switch on the backlight) are pressed for 3 minutes.
Manual mode: the transmitter can also be disabled manually, without waiting 3 minutes. Keep the ON/OFF key pressed
and it will pass from continuously on to off. If the button is released before it turns off, the transmitter will not be disa-
bled.
Low battery signal
It is recommended to replace the battery within a short period of time if the transmission LED is red during operation.
The residual autonomy time depends on the type and quality of the battery used.
TRANSMITTER
BASE
3 AAA BATTERIES
6 SCREWS
TRANSMITTER
FRONT
GASKET GROOVE
PROTECTIVE
CASE
BATTERY REPLACEMENT
MODELS HT4-HT8
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