User's Guide

SRP9100 RADIO P25 – OPERATING INSTRUCTIONS
6. SPECIAL FUNCTION KEYS
Several function keys are simply short cuts to a menu screen. For further information on the
operation of these function keys, refer to the menu descriptions in section 4.
6.1 ALARM
Sets alarm mode on the radio. All transmissions in alarm mode will have the emergency flag
set.
6.2 ANNOUNCE
To send an Announce call on the channel, press this function key and then use the PTT to
send the call. The next PTT after the Announce will call the default group.
6.3 CHANNEL UP AND DOWN
These functions change channel in the upward (F3) or downward (F2) directions.
6.4 CRYPTO
A short cut to the Crypto menu. Allows selection of the encryption key.
6.5 DTMF SEND 1/2
When the key is pressed , a pre-defined string of DTMF tones are transmitted.
6.6 LOW POWER
Forces the radio to low power. Pressing the function button again puts the radio back to the
power level defined for the current channel. The “forced low power state” is not affected by
channel/zone changes.
The RF power level is indicated by the letter L of H replacing the antenna icon when
transmitting. The bar graph above this icon shows 1 bar for low power and 6 bars for high
power.
6.7 MENU
Menu function key used for accessing the menu system. This is normally assigned to the M
key (F1).
6.8 MODE
A short cut to the Mode menu. Allows the user to change radio modes, for example from
PMR/LMR to P25, or MPT1327 trunking to P25.
6.9 MUTE
Provides direct access to the “Mute Adjust” menu screen and allows the user to change the
mute level from that screen. The selected mute level will affect all analogue channels.
6.10 RESET
The reset function is usually assigned to F6, and is used as a cancel function when in a
menu or as a backspace when entering keypad dial-strings.
6.11 RSSI
Displays the signal strength of the received signal.
6.12 SCAN
The scan function activities the Scanning mode, refer to Section 5.5 for details.
© TMC Radio 2007 Page 49 TNM-U-E-0073 1.1b