Section 4. Programming
4-5
TX-Hold Time Duration
These commands set the duration of the two transmit hold timers available in the 37-MAX.
Which timer gets used by a particular user is set under User programming, the default being
for all users to use the normal timer. The timers are programmed in whole second increments,
with the normal timer defaulting to 2 seconds and the alternate timer to 3 seconds.
210# n#
Sets Normal TX-Hold Timer (0 to 9 seconds, default = 2)
211# n#
Sets Alternate TX-Hold Timer (0 to 9 seconds, default = 3)
Repeater Time-out Timer (Stuck Mic)
This command determines the maximum time that the 37-MAX will keep the repeater
transmitter continuously keyed. This timer acts as a form of protection for the transmitter
equipment in the case of a “stuck mic” situation where a mobile (or any other set of
conditions) keeps the receiver continuously unsquelched for a very long period of time. The
timer is programmed in increments of whole minutes. The default setting is three minutes.
220# n#
Repeater Time-out Timer (1 to 9 minutes, default = 3)
Station ID Parameters
These commands are used to configure how and when the Morse code Station ID occurs, if
this feature of the Model 37-MAX is being used (the default condition is ID with activity
enabled). The panel can be set to only ID when the timer has expired and there has been some
activity on the channel either during the timer period or since it timed out. The alternative
mode is for the panel to go ahead and ID whenever the timer expires, whether or not the
channel has had any recent activity. The timer period is programmed in increments of whole
minutes, and defaults to 15 minutes. The speed at which the Morse characters are transmitted
defaults to 22 words per minute, but it can be halved down to 11 words per minute.
230#
Station ID Disabled
232#
Station ID Only After Channel Activity (default)
233#
Station ID At Regular Intervals
235# nn#
Set Station ID Interval (1 to 90 minutes, default = 15)
273#
Station ID Sent at 22 words per minute
274#
Station ID Sent at 11 words per minute
Station ID Call Sign
The Model 37-MAX supports station ID call signs up to eight characters long. Since the call
sign can include letters as well as numbers, and the tone panel can only be programmed using
DTMF, the call sign must be converted into a sequence of DTMF pairs in order to be entered
into the 37-MAX. The relationship between numbers/letters, Morse Code characters, and the
two-digit DTMF pairs used to represent them when programming a 37-MAX are all set forth
in Table 4. PROGRAMMING -1. The default is for no call sign to be in memory. The
following example will help to clarify the process, the call sign used is WNCR414 :
DTMF entered:
272# 19 26 32 27 04 01 04 #
Function:
Command W N C R 4 1 4 End
Summary of Contents for 37-MAX
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