
The Installation Menu in detail
Emulation Mode
The emulation mode provides the system programmer with the base station keying options.
The DRC-1 has embedded software for Simoco and Motorola keying plus Dc keying. The
options in order:-
DRC-1 Hardwire PTT
. The DRC-1 will use it s open collector transistor to pull down the base
stations PTT line.
DRC-1 2970Hz
. The DRC-1 will output 2970Hz to line when any PTT key is operated.
DRC Switch interface
. Used when controlling a DS32 radio switch.
M80 Remote
. Emulates an M80 terminal in remote mode. The keytone will be 2970Hz.
M80 Local
. Emulates an M80 terminal in local mode.
MTRLA 2100.
Using 2100Hz to key a Motorola base station.
MTRLA 2175
. As above using 2175Hz.
MTRLA 2325
. As above using 2325Hz. ** A complete description of Motorola tone
signalling is given later in the document.
Set Microphone gain.
Using this facility the individual amplifiers associated with handset, headset, and internal
microphone (located in the lower part of the case) can be adjusted. The menu option [
Select
Mic Source
] determines if the headset or internal microphone is adjusted within this facility.
The handset is always available.
From the menu select
[installation
] and [
set mic gain
]. From this point pressing the transmit
key on the main keypad will bring into service either the internal microphone or the headset
microphone depending upon the menu item [
Select Mic Source
]. Use the volume up/down
keys to increase / decrease gain. The output may be measured either at the line port or judged
by ear from the base station. The purpose is to achieve an approximately equal output from
headset/internal microphones and the handset microphone. Whilst in this mode picking up the
handset and pressing its PTT enables adjustment of the handset microphone.
Selcall Tone Set.
Press [
menu
] to select this item. Using the scroll up/down keys, select the desired tone set
from the list. Press [
menu
] to store your selection and then press [
clear
] twice to exit the menu
facility and implement the changes. The display should indicate that changes are being
implemented.
Содержание DRC1
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