Installation:
DIP Switch and Jumper Settings
6881086C22-B
11
BOLD indicates factory default setting
BOLD indicates factory default setting
BOLD indicates factory default setting
S101-5
ON
900
Ω
impedance
OFF
600
Ω
impedance
S101-6
ON
Local desk microphone not present
OFF
Local desk microphone present
S101-7
ON
Two-wire operation
OFF
Four-wire operation
S101-8
ON
Four-wire operation
OFF
Two-wire operation
Table 5. Tone Remote Control Board Jumper Settings
Jumper
State
Description
JU100
IN
Crystal frequency shift circuit enabled
OUT
Crystal frequency shift circuit disabled
JU101
IN
Always placed for ASTRO
Table 6. Tone Remote Control Board Plug Settings
Plug
Jumper
Description
P101
A-B
Transmitted and received audio is routed to
TAPE_OUT (Accessory Connector 3, pin 11)
B-C
Only received audio is routed to TAPE_OUT
(Accessory Connector 3, pin 11)
P102
A-B
SPKR_UNMUTE active high
B-C
SPKR_UNMUTE active low
Table 4. Tone Remote Control Board DIP Switch Settings (S101) (cont’d)
Switch
State
Description
Содержание ASTRO Digital Spectra
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