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TEMPERATURE MODE
The Temperature mode allows you to know the ambient temperature on both the
Centigrade and Fahrenheit scales. In addition, you can set high and low tempera-
ture limits on either scale; when a limit is reached or exceeded, the unit will sound a
warning melody, repeating it every 5 seconds. As an additional feature, the tempera-
ture alarm limits can be automatically transmitted on the current channel, together
with your user ID; this will occur every 5 minutes when the preset alarm temperature
is reached or exceeded, provided the temperature plus transmit mode is enabled
(+TX). To access the temperature mode, proceed as follows:
1. From the GMRS TWO WAY mode (CH and CODE displayed), press the
Function(F) button 4 times; TEMPERATURE is momentarily displayed,
followed by the temperature indication (TEMP) in Centigrade or Fahrenheit.
NOTE: When moving from a moderate temperature environment to either a cooler or
hotter environment, allow about 20 minutes for the unit temperature sensing
element to stabilize.
2. To change the temperature scale, press the right menu button once; C or F
will flash.
3. Press the Up button (6); the temperature scale will change from C to F or
vice-versa.
To set the high and low temperature alarm limits:
4. Access the temperature mode as outlined in step 1. Press the right menu button
again; ON or OFF will appear flashing. Press the Up or Down button (11) to set
temperature ON; then press the Monitor (M) button to confirm.
5. With TEMP in C or F displayed, press the right menu button three times; AL H:
appears with the temperature indication flashing, provided temperature is ON.
The indication will be in F or C, depending on the temperature scale
previously selected.
6. Press the Up or Down button to set the high temperature alarm limit; if the
low temperature alarm is desired, proceed to step 7. If not, press the
Monitor (M) button to confirm the high temperature setting.
7. Press the right menu button; AL L: appears with the C or F indication
flashing provided temperature is ON.
8. Press the Up or Down button to set the low temperature alarm limit; then press
the Monitor (M) button to confirm the low temperature setting.
The temperature alarm transmit mode will automatically transmit a call tone with the
radio’s identification (ID) code (if entered) and temperature to other GMRS-1500XTM
units on the same channel. This mode is accessed in the following manner:
9. Repeat steps 4 through 8 to set the high and/or low temperature alarm limits;
then press the right menu button until ON is flashing.