Note: The following information applies to the IS-RSM3x.x

The buttons at the IS-RSM3x.x can be preset at the Settings of the i.safe MOBILE Smartphones and Tablet itself.

The following Smartphones and Tablets are supported:

• IS440.x (only IS-RSM3B.1) 
• IS530.x (only IS-RSM3B.1) 
• IS540.x
• IS880.x (only IS-RSM3B.1) 
• IS930.x (only IS-RSM3B.1) 
• IS940.x

How are the names of the button and their button number?

	1. FUNCTION KEY LEFT  = external function key 1 (IS-RSM3A.1) / BT-function key 1 (IS-RSM3B.1) in the Button App. Optional function, e.g. open/close PTT channel - function can be assigned via Button App (system integrated).
	2. FUNCTION KEY UP  = external function key 2 (IS-RSM3A.1) / BT-function key 2 (IS-RSM3B.1) in the Button App. Optional function, e.g. channel up - function can be assigned via Button App (system integrated).
	3. FUNCTION KEY DOWN  = external function key 3 (IS-RSM3A.1) / BT-function key 3 (IS-RSM3B.1) in the Button App. Optional function, e.g. channel down - function can be assigned via Button App (system integrated).
	4. FUNCTION KEY CIRCULAR  = external function key 4 (IS-RSM3A.1) / BT-function key 4 (IS-RSM3B.1) in the Button App. Optional function - function can be assigned via Button App (system integrated).
	5. FUNCTION KEY RED  = external function key 5 (IS-RSM3A.1) / BT-function key 5 (IS-RSM3B.1) in the Button App. Optional function, e.g. Send an SOS signal - function can be assigned via Button App (system integrated).

For more information about the setting of Function Keys, please take a look here. How do I assign a function to optional keys?