Chapter 7 - Maintenance; Scheduled Maintenance; Test Equipment Required; Test Lead - Park Air T6M User Manual

This chapter details the scheduled maintenance required by the T6M base station.

SCHEDULED MAINTENANCE

Scheduled maintenance to the T6M base station involves the following checks:
(1) Transmit power and frequency accuracy test. This check should be carried out annually.
(2) Receiver sensitivity check. This check should be carried out annually.
(3) Battery replacement (applicable only to base stations fitted with the internal battery option).
The life of the battery depends upon its usage; refer to 'Battery Replacement' on page 52.

Test Equipment Required

The test equipment necessary to complete the scheduled maintenance is listed in Table 8.
Item
1
2
3
4
5
6

Test Lead

The test lead (Table 8, item 6) connects the base station to the AF wattmeter during receiver sensitivity
tests. The lead connections are detailed in Table 9.
7-Pin DIN Plug
(connects to base station's
Microphone connector)
Pin 5, receiver audio monitor
Pin 7, earth
It also provides fault finding guidance.
Table 8. List of test equipment
Through-line wattmeter.
20 dB attenuator (>15 W continuous power rating).
VHF Frequency counter.
RF signal generator.
AF wattmeter.
Test lead for connecting the base station to the AF wattmeter. [See next heading.]
Table 9. Test Lead Connections

Chapter 7 - Maintenance

Description
AF Wattmeter Connector
Input
0 V
T6M Base Station User Guide
Page 49