User's Manual

23
LED Surveillance Configuration (Option Wiring – User
Configurable)
The APX VA’s LED indicator can be disabled for night use or surveillance
operations by using the optional wiring connections below (refer to the Speaker
and Interface Connector (J1) from
Figure 5 and Figure 7.
• The LED indicator can be disabled by adding a jumper wire between J1
Connector Pin 17 (SURV) to Pin 14 (GND); this solution supports ONLY
LED OFF Configuration; this would disable ALL LEDs including the
Purple LED.
• The LED Indicator can be selectably disabled by installing a wired toggle
switch (not provided) between J1 Connector Pin 17 (SURV) to Pin 14
(GND); this solution allows all use to readily enable or disable LED
Surveillance Mode. In the LED Surveillance Mode, ALL LED indications
are disabled, including error indications.
Note: If the switch option is chosen, a switch change only takes effect when
the radio is inserted.
Figure 7: J1 Connector Definitions
Table 2: J1 Connector Definition
Pin No. Pin Name Signal Definition
1 Ground Ground return, power
6 D- USB D- signal (USB white wire)
7 D+ USB D+ signal (USB green wire)
12 Vbus USB Vbus power (USB red wire)
14 Ground Ground return, audio
15 Emergency Emergency switch input
16 PTT PTT input
17 Surveillance Surveillance mode input
20 Spkr+ Speaker+
23 Visor Mic Visor microphone input
26 Spkr- Speaker-
Note: Unlabeled pins are not
connected and unsupported.
1
8
7
13
20
26
14
21
MN000350A02.book Page 23 Tuesday, December 2, 2014 3:01 PM