Part Identification
3.
4.
1.
Display Indicators
RECEIVER DISPLAY
11.
12.
1.
Headset
2. Ground stake
3. Transmitter
4. Receiver
5. Carrying case
Tempo Communications
9.
8.
13.
6. Black lead
7. Red lead
8. Output level buttons
9. ON/OFF switch
10. Battery cover
10.
TRANSMITTER DISPLAY
14.
11. 45 degree angle detector
12. Null
13. Low Battery Warning*
14. Output Level
*When transmitter battery is low
receiver tone cadence will change until
battery is replaced.
5
5.
2.
521E Instruction Manual
7.
6.