6881086C22-B
Table 4. Tone Remote Control Board DIP Switch Settings (S101) (cont'd)
Switch
State
ON
S101-5
OFF
ON
S101-6
OFF
ON
S101-7
OFF
ON
S101-8
OFF
BOLD indicates factory default setting
Table 5. Tone Remote Control Board Jumper Settings
Jumper
State
IN
JU100
OUT
JU101
IN
BOLD indicates factory default setting
Table 6. Tone Remote Control Board Plug Settings
Plug
Jumper
A-B
P101
B-C
A-B
P102
B-C
BOLD indicates factory default setting
Installation: DIP Switch and Jumper Settings
Description
900Ω impedance
600Ω impedance
Local desk microphone not present
Local desk microphone present
Two-wire operation
Four-wire operation
Four-wire operation
Two-wire operation
Description
Crystal frequency shift circuit enabled
Crystal frequency shift circuit disabled
Always placed for ASTRO
Description
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
SPKR_UNMUTE active low
11