Tait TP9400 Series P25 User Manual

6 Contents
Using the Location menu ......................................... 124
Using the Last stored menu ..................................... 125
Loneworker monitoring................................................. 125
Activating loneworker monitoring ............................. 126
Responding to a loneworker alarm .......................... 126
Delaying the emergency action
(conventional mode only) ......................................... 127
11 Encryption ...........................................................128
About encryption .......................................................... 129
About the proper key detect feature......................... 129
Encrypting calls ............................................................ 129
Making an encrypted call.............................................. 130
Receiving an encrypted call ......................................... 131
Changing the radio’s encryption key ............................ 131
Changing the transmit encryption key...................... 132
Changing the transmit encryption key back to
the default setting..................................................... 132
Changing the encryption keyset............................... 132
Removing encryption keys from the radio .................... 133
Deleting an encryption key....................................... 133
Deleting all encryption keys ..................................... 133
Updating encryption keys over-the-air.......................... 134
Using an encryption demonstration key ....................... 134
Activating the demo key ........................................... 134
Making an encrypted call using the demo key ......... 135
Receiving an encrypted call using the demo key ..... 135
12 Customizing radio settings ...............................136
Extending battery life on a shift .................................... 137
Turning low power transmit on or off........................ 137
Changing the volume of all audible indicators.............. 138
Changing the volume of keypress tones ...................... 138
Changing to quiet operation ......................................... 139
Changing to silent operation......................................... 139
Turning on backlighting ................................................ 140
Turning backlighting on momentarily ....................... 140
Adjusting the display contrast....................................... 141
13 Charging and caring for batteries .....................142
About the chargers ....................................................... 143
Special conditions when using IS radios ...................... 144
Before using the charger.............................................. 145
Handle the battery safely ......................................... 145
Attaching of labels.................................................... 145
Charging temperatures ............................................ 146

Tait TP9400 Series P25 Specifications

General

P25 Phase	Phase 1 and Phase 2
Frequency Bands	VHF: 136-174 MHz, UHF: 380-520 MHz, 700/800 MHz: 764-870 MHz
Operating Temperature	-30°C to +60°C (-22°F to +140°F)
Operating Voltage	7.4V DC (Nominal)
MIL-STD	MIL-STD-810 C/D/E/F/G
Battery Life	Up to 12 hours (depending on usage)