1-6
53SL ES Series Mobile Radio Operating Manual April 2009
Radio Accessories
Section 1 - Radio Overview
1.6.1
Digital Keypad Microphone
An optional accessory microphone is available with an integral Digital Keypad. You can
program various radio features to the keys. This can place often used functions
conveniently on the microphone.
Figure 1.2
Digital Keypad Microphone
1.6.2
Handheld Control Unit
The optional Handheld Control Unit is an accessory for the 53SL ES series mobile radio.
This control can be used in all installation configurations.
Figure 1.3
Handheld Control Unit