Audio Interface Board Settings; Table 1. Audio Interface Board Dip Switch Settings; Table 2. Audio Interface Board Jumper Settings - Motorola ASTRO Spectra Instruction Manual

Audio Interface Board
Settings
6881086C22-B
Review "Safe Handling of CMOS Integrated-Circuit
!
Devices" on page xi before setting any DIP switches
or jumpers.
C a u t i o n

Table 1. Audio Interface Board DIP Switch Settings

Switch State
ON
S101-1
OFF
S101-2
S101-3 ON
OFF
S101-4 ON
OFF
S101-5 ON
OFF
ON
S101-6
OFF
ON
S101-7
OFF
S101-8
BOLD indicates factory default setting

Table 2. Audio Interface Board Jumper Settings

Jumper State
JU101 IN
A-B
J14
B-C
A-B
J15
B-C
BOLD indicates factory default setting
Installation: DIP Switch and Jumper Settings
Description
ASTRO control head power button disabled
ASTRO control head power button enabled
Not used
EMER active high
EMER active low
600Ω Impedance
900Ω Impedance
900Ω Impedance
600Ω Impedance
Local desk microphone not present
Local desk microphone present
Digital Remote Control option present
Digital Remote Control option not present
Not used
Description
Always placed for ASTRO
Transmitted and received audio is routed to
TAPE_OUT (Accessory Connector 3, pin 11)
Only received audio is routed to TAPE_OUT
(Accessory Connector 3, pin 11)
SPKR_UNMUTE active high (COR)
SPKR_UNMUTE active low (COR)
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