User`s manual

APPENDIX E
MODEL 85 TRANSCEIVER
APX E-1
TRANSCEIVER FREQUENCY SELECTION TABLE
The Transceiver Select Switches located on the rear of the ESTeem select the operating frequency for both the transmitter and receiver
simultaneously. The Model 85 cannot be configured to transmit and receive on different frequencies. Listed below is the published frequency table
for the 72 to 73 MHz spectrum, for frequencies outside of that spectrum call the factory.
SWITCH BIT
FREQ
(MHz)1 2 3 4 5 6 789
72.020 ON OFF ON ON OFF OFF ON ON OFF
72.040 ON OFF ON ON OFF OFF OFF ON OFF
72.060 ON OFF ON OFF ON ON ON ON OFF
72.080 ON OFF ON OFF ON ON OFF ON OFF
72.100 ON OFF OFF ON ON ON ON ON OFF
72.120 ON OFF OFF ON ON ON OFF ON OFF
72.140 ON OFF OFF ON ON OFF ON ON OFF
72.160 ON OFF OFF ON ON OFF OFF ON OFF
72.180 ON OFF OFF ON OFF ON ON ON OFF
72.200 ON OFF OFF ON OFF ON OFF ON OFF
72.220 ON OFF OFF ON OFF OFF ON ON OFF
72.240 ON OFF OFF ON OFF OFF OFF ON OFF
72.260 ON OFF OFF OFF ON ON ON ON OFF
72.280 ON OFF OFF OFF ON ON OFF ON OFF
72.300 OFF ON ON ON ON ON ON ON OFF
72.320 OFF ON ON ON ON ON OFF ON OFF
72.340 OFF ON ON ON ON OFF ON ON OFF
72.360 OFF ON ON ON ON OFF OFF ON OFF
72.380 OFF ON ON ON OFF ON ON ON OFF
72.400 OFF ON ON ON OFF ON OFF ON OFF
72.420 OFF ON ON ON OFF OFF ON ON OFF
72.440 OFF ON ON ON OFF OFF OFF ON OFF
72.460 OFF ON ON OFF ON ON ON ON OFF
SWITCH BIT
FREQ
(MHz) 1 2 3 4 5 6 7 8 9
72.500 OFF ON OFF ON ON ON ON ON OFF
72.540 OFF ON OFF ON ON OFF ON ON OFF
72.580 OFF ON OFF ON OFF ON ON ON OFF
72.600 OFF ON OFF ON OFF ON OFF ON OFF
72.620 OFF ON OFF ON OFF OFF ON ON OFF
72.640 OFF ON OFF ON OFF OFF OFF ON OFF
72.660 OFF ON OFF OFF ON ON ON ON OFF
72.680 OFF ON OFF OFF ON ON OFF ON OFF
72.700 OFF OFF ON ON ON ON ON ON OFF
72.720 OFF OFF ON ON ON ON OFF ON OFF
72.740 OFF OFF ON ON ON OFF ON ON OFF
72.760 OFF OFF ON ON ON OFF OFF ON OFF
72.780 OFF OFF ON ON OFF ON ON ON OFF
72.800 OFF OFF ON ON OFF ON OFF ON OFF
72.820 OFF OFF ON ON OFF OFF ON ON OFF
72.840 OFF OFF ON ON OFF OFF OFF ON OFF
72.860 OFF OFF ON OFF ON ON ON ON OFF
72.880 OFF OFF ON OFF ON ON OFF ON OFF
72.900 OFF OFF OFF ON ON ON ON ON OFF
72.920 OFF OFF OFF ON ON ON OFF ON OFF
72.940 OFF OFF OFF ON ON OFF ON ON OFF
72.960 OFF OFF OFF ON ON OFF OFF ON OFF
72.980 OFF OFF OFF ON OFF ON ON ON OFF
NOTE:
Model 85 units that are shipped to Canada are not allowed to have the frequency and receiver gain switches accessible from the
outside of the unit. The rear plate must be removed to gain access to these switches to prevent frequency changes by unauthorized
users.
RECEIVER SQUELCH SELECTION
An application may arise where environmental noise triggers the
carrier detect circuitry and inhibits operation of the ESTeem. The
user has the option to increase receiver squelch above the noise.
Increasing the receiver squelch allows operation of the ESTeem in
the users' high noise environment.
REMEMBER, an increase in receiver squelch causes a
corresponding decrease in range.
Receiver squelch switches are provided on the rear of the ESTeem
to allow the user to select different values of receiver sensitivity.
The last two bits (11 & 12) on the Frequency Select Switch located
on the rear panel of the ESTeem are used to adjust the receiver
carrier detect threshold. Four ranges are provided for the user.
Listed below are the switch settings.
SWITCH BIT
11 12 TYPICAL RECEIVER
SQUELCH THRESHOLDS
OFF OFF LOW 40 uv
OFF ON MEDIUM LOW 27 uv
ON OFF MEDIUM HIGH 10 uv
ON ON HIGH 2.5 uv
Receive squelch values are approximate due to production
variations.
NOTE:
Model 85 units that are shipped to Canada are not
allowed to have the frequency and receiver gain switches
accessible from the outside of the unit. The rear plate
must be removed to gain access to these switches to
prevent frequency changes by unauthorized users.