Table 2-3 Controls and Indicators — Telephone Style Control Head (TSCH) (cont'd.)
Annotation
9
10
11
12
13
14
15
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Description
NAVIGATION key
Press up, down, left or right NAVIGATION key for list scrolling, while moving around the
menu hierarchy, or for alphanumeric text editing.
From the home screen, press to activate one of the following:
• Down NAVIGATION key — enters Recent Calls menu item.
• Up NAVIGATION key — changes My Groups talkgroup folder.
• Left and right NAVIGATION key — toggles through the talkgroups.
MICRO USB PORT
Provides connection between the radio and a computer.
FUNCTION key 3
By default:
• Short press — adjusts backlight.
• Long press — unassigned.
EARPIECE
Upper PTT (Push-To-Talk) button
By default, this PTT button is disabled. However, your service provider can assign one
of the following functions to it:
• Upper PTT button works in the same way as the lower PTT button (you can use
both interchangeably).
• Upper PTT supports a roof speaker. Roof speaker allows sound to be transferred
through an external speaker connected to the transceiver.
Lower PTT (Push-To-Talk) button
• Press and hold to talk in simplex calls or to initiate a group call, release it to listen.
MICROPHONE
2.2 Controls and Indicators
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